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CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC Converters
CXE15 48V SERIES
Single output
High efficiency topology, 87% typical at 5V Industry standard footprint Wide operating temperature, up to and exceeding +70C (natural convection) 90% to 110% output trim No minimum load Overvoltage protection Remote on/off Approvals to EN60950 and UL/cUL1950 Complies with ETS 300 019-1-3/2-3 Complies with ETS 300 132-2 (input voltage and current requirements) Complies with ETS 300 386-1
The CXE15 is a new high efficiency open frame isolated 15 Watt converter series in an industry standard footprint. The first four models in the series feature an input voltage range of 33 to 75VDC and are available in output voltages of 5V, 3.3V, 2.5V and 1.8V. The output voltage on each model is adjustable from 90% to 110% of the nominal value. Typical efficiencies for the models are 87% for the 5V, 86% for the 3.3V, 85% for the 2.5V and 83% for the 1.8V version. The CXE15 series also has a remote on/off capability, with active 'HI' or active 'LO' logic options available. Overcurrent and overvoltage
[ 2 YEAR WARRANTY ]
protection features are included as standard. With full international safety approval including EN60950 and cUL1950, the CXE15 reduces compliance costs and time to market.
TUV
1
CXE15 Single Series | SXA10 Series15W15W DC/DC 10.8 to | DC/DC High Efficiency DC/DC converters
Stresses in excess of the maximum ratings can cause permanent damage to the device. Operation of the device is not implied at these or any other conditions in excess of those given in the specification. Exposure to absolute maximum ratings can adversely affect device reliability. Absolute Maximum Ratings Characteristic Input voltage - continuous Input voltage - peak/surge Operating temperature Symbol Vin (cont) Vsurge Top Tstorage Pout (max) Pout (max) Pout (max) Pout (max) Min -0.3 -0.3 -40 Typ Max 75 80 115 Units V DC V DC C Notes and Conditions Vin(+) - Vin(-) 2s max, non-repetitive Measured at thermal reference points, see Note 1
Storage temperature Output power (1.8V) Output power (2.5V) Output power (3.3V) Output power (5V)
-40
120 10.8 15 15 15
C W W W W
All specifications are typical at nominal input Vin = 48V, full load under any resistive load combination at 25C unless otherwise stated.
Input Characteristics Characteristic Input voltage - operating Input current - no load Input current - Quiescent Input voltage variation Inrush current (i t)
2
Symbol Vin (oper) lin lin (off) dv/dt linrush It/Im
Min 33
Typ 48 28 20
Max 75 35 25 5
Units V DC mADC mADC V/ms A s
2
Notes and Conditions
Vin (min) - Vin (max), enabled Converter disabled Complies with ETS300 132 Part 4.4 Complies with ETS300 132 Part 4.7, with recommended LISN Complies with ETS300 132 Part 4.7, with recommended LISN Frequency <1 kHz Slowblow/antisurge HRC recommended, 200V rating
300 19.5 45 2
Inrush current ratio Input ripple rejection Input fuse
dB A
Turn On/Off Characteristic Input voltage - turn on Input voltage - turn off Hysteresis Turn on delay - enabled, then power applied Symbol Vin (on) Vin (off) Tdelay (power) Min 30 27 Typ 33 30 3 1.5 Max 36 33 4 Units V DC V DC V DC msec With the enable signal asserted, this is the time from when the input voltage reaches the minimum specified operating voltage until the output voltage is within the total regulation band Vin = Vin (nom), then enabled. This is the time taken until the output voltage is within the total error band From 10% to 90%; full resistive load, no external capacitance Notes and Conditions
Turn on delay - power applied, then enabled
Tdelay (enable)
2.5
4
msec
Rise time
Trise
0.6
1
msec
2
CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
Signal Electrical Interface Characteristic - Signal Name Symbol At remote/control ON/OFF pin Open collector or equivalent compatible Control pin open circuit voltage Vih High level input current Iih Min Typ Max Units Notes and Conditions See Notes 2 and 3 See Application Note 116 for Remote On/Off details Iih = 0 A; open circuit voltage Current flowing into control pin when pin is pulled high (max. at Vih = 75V) Acceptable leakage current from signal pin into the open collector driver (neg = from converter) Converter guaranteed off when control pin is less than Vil (max) Vil = 0.4 V ViI = 0.0 V;
12
13 10
V A
Acceptable high level leakage current Low level input voltage
Iih (leakage)
-50
A
ViI
0
1.2
V
Low level input current Low level input current
IiI Iil (max)
-1.4 -1.5
mA mA
Reliability and Service Life Characteristic Mean time between failure Symbol MTBF Min 600,000 Typ Max Units Hours Notes and Conditions MIL-HDBK-217F, Vin = Vin (nom); Iout = Iout (max); ambient 25C; ground benign environment per Bellcore TR-NWT-000332 Issue 3, ground benign, temp. = 40C, Vin = Vin (nom), Iout = Iout (max) Demonstrated. This entry will be periodically updated as the number of test hours increase
Mean time between failure
MTBF
1,000,000
Hours
Mean time between failure
MTBF
TBD
Hours
Expected service life
Years
Isolation Characteristic Input to output test voltage Input to output capacitance Input to output resistance Input to output insulation system 100 Operational 1000 Symbol Min Typ Max 1500 Units V DC pF M Measured with 500 V DC Notes and Conditions Test duration 1s
3
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CXE15 Single Series | SXA10 Series15W15W DC/DC 10.8 to | DC/DC High Efficiency DC/DC converters
Other Specifications
Characteristic Switching frequency Weight Symbol Fsw Min Typ 265 12 Max Units kHz g Notes and Conditions Fixed frequency
Environmental Specifications
Characteristic Thermal performance 1V8 and 2V5 models 3V5 and 5V models Type Air temperature Parameter Low High Change Symbol Min Typ Max Units Notes and Conditions
-40 -40 Reference IEC 68-2-1 IEC 68-2-2 IEC 68-2-14
70 65 Test Level
C C
See Notes 1, 4 and individual derating curves Notes and Conditions All characteristics and parameters extracted from ETS 300 019 classes 3.1, 3.2, 3.3, 3.4 and 3.5 Tmax. = +70C for T3.4
-40C +70C -40C to +70C
Relative humidity
Low High Condensation
IEC 68-2-56 IEC 68-2-30
10% 100% 90 to 100% 5-9Hz 5mm/s 9-200Hz 1g 10g
Vibration IEC Class 3M5
Freq. velocity IEC 68-2-6 Freq. acceleration IEC 68-2-6 Acceleration IEC 68-2-29
Shocks IEC Class 3M5
Referenced ETSI standards: ETS 300 019: Environmental conditions and environmental tests for telecommunications equipment ETS 300 019: Part 1-3 (1997) Classification of environmental conditions stationary use at weather protected locations ETS 300 019: Part 2-3 (1997) Specification of environmental tests stationary use at weather protected locations
EMC Electromagnetic Compatibility
Phenomenon Immunity: ESD Enclosure EN61000-4-2 6kV contact 8kV air 2kV 4kV 1kV 2kV 10V/m 10V 10V As per ETS 300 386-1 table 5 Port Standard Test level Criteria Notes and conditions
EFT
DC power Signal
EN61000-4-4 EN61000-4-4
As per ETS 300 386-1 table 5 As per ETS 300 386-1 table 5
Radiated field Conducted
Enclosure DC power Signal DC power
EN61000-4-3 EN61000-4-6 EN61000-4-6
As per ETS 300 386-1 table 5 As per ETS 300 386-1 table 5 Signal line assumed < 3m in length ETS 300 132, ETR 283
Input transients
4
CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
EMC Electromagnetic Compatibility
Phenomenon Emission: Conducted DC power EN55022 Level A With recommended external filter for compliance bandwidth 20 kHz to 30 MHz, as per ETS 300 386-1. See Application Note 116 for details With recommended external filter for compliance bandwidth 20 kHz to 30 MHz, as per ETS 300 386-1. See Application Note 116 for details Bandwidth 150kHz to 30MHz, as per ETS 300 386-1 Bandwidth 30 MHz to 1 GHz, as per ETS 300 386-1 Port Standard Test level Criteria Notes and conditions
EN55022
Level B
Signal
EN55022
Level B
Radiated
EN55022
Level B
Performance criteria: NP: Normal Performance: EUT shall withstand applied test and operate within relevant limits as specified without damage. RP: Reduced Performance: EUT shall withstand applied test. Reduced performance is permitted within specified limits, resumption to normal performance shall occur at the cessation of the test. LFS: Loss of Function (self recovery): EUT shall withstand applied test without damage, temporary loss of function permitted during test. Unit will self recover to normal performance after test. Referenced ETSI standards: ETS 300 386-1 table 5 (1997): Public telecommunication network equipment, EMC requirements ETS 300 132-2 (1996): Power supply interface at the input to telecommunication equipment: Part 2 operated by direct current (DC) ETR 283 (1997): Transient voltages at interface A on telecommunication direct current (DC) power distributions
Standards Compliance List
Standard EN60950 UL/cUL 1950 TUV Rheinland Category 2000 3rd edition EN60950:2000
Safety Agency Approvals
Characteristic UL/cUL 1950 File Number TUV Rheinland Certificate No. E135734 R2074133
Material Ratings
Characteristic - Signal Name Notes and Conditions Flammability rating Material type UL94V-0 FR4 PCB
Model Numbers
Model Number CXE15-48S1V8 CXE15-48S2V5 CXE15-48S3V3 CXE15-48S05 Input Voltage 33-75 33-75 33-75 33-75 VDC VDC VDC VDC Output Voltage 1.8V 2.5V 3.3V 5.0V Overvoltage Protection 2.3V 3.2V 4.0V 6.0V Output Current (Max.) 6.0A 6.0A 4.5A 3.0A Typical Efficiency 83% 85% 86% 87% Max. Load Regulation 2.0% 1.5% 0.5% 0.5%
5
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CXE15 Single Series | SXA10 Series15W15W DC/DC 10.8 to | DC/DC High Efficiency DC/DC converters
CXE15-48S1V8 Model Input Characteristics
Characteristic Input current - operating Symbol Iin Iin (max.) Min Typ 0.271 Max 0.274 Units A DC Notes and Conditions Vin = Vin (nom); Iout = Iout (max.); Vo = Vo (nom) Vin = Vin (min); Iout = Iout (max.); Vo = Vo (nom) (measured at converter)
Input current - maximum
0.399
0.404
A DC
Reflected ripple current
Iin (ripple)
1.8 5
mA RMS Iout = Iout (max.), measured mA pk-pk with external filter. See Application Note 116 for details F Internal to converter
Input capacitance - internal filter Input capacitance - external bypass
Cinput Cbypass 0
1.5
F
Recommended customer added capacitance
CXE15-48S1V8 Model Electrical Characteristics - O/P
Characteristic Nominal set-point voltage Symbol Vo (nom) Min 1.76 Typ 1.80 Max 1.84 Units V DC Notes and Conditions Vin = Vin (nom); Iout = Iout (nom) Worst case condition over line, load, temperature and life For all line, static load and temperature until end of life. Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max)
Total regulation band
Vo
1.74
1.86
V DC
Line regulation
0.5
%
Load regulation
2.0
%
Output current continuous Output current - short circuit
Iout Isc Vp-p Vrms
0.00 10
6.0 12
A DC A rms Continuous, unit auto recovers from short, Vo < 100mV
Output voltage - noise
40 14
70 20
mV pk-pk Measurement bandwidth 20 MHz mV rms See Application Note 116 for measurement set-up details
6
CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
CXE15-48S1V8 Model Electrical Characteristics - O/P
Characteristic Load transient response peak deviation Load transient response recovery Symbol Vdynamic Trecovery Min Typ 150 Max Units mV Notes and Conditions Peak deviation for 50% to 75% step load, di/dt = 100mA/sec Settling time to within 1% of output set point voltage for 50% to 75% step load
400
sec
External load capacitance
Cext
0
10,000
F
CXE15-48S1V8 Model Protection and Control Features
Characteristic Overvoltage clamp voltage Symbol Vov Ioc 90 Min 2.2 Typ Max 3.0 Units V DC Notes and Conditions Non-latching. Refer to Application Note 116 for details Vo = 90% of Vo (nom) Trim up (% of Vo nom) Trim down (% of Vo nom) See Application Note 116 for details of trim equations and trim curves No sense option
Overcurrent limit inception Output voltage trim range
7.5
8.4 110
A DC % %
Open sense voltage
V DC
CXE15-48S1V8 Model Efficiency
Characteristic Efficiency Symbol Min 82 Typ 83 Max Units % Notes and Conditions Iout = 100% Iout (max), Vin = Vin (nom) Iout = 50% Iout (max), Vin = Vin (nom)
Efficiency
78
80
%
7
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CXE15 Single Series | SXA10 Series15W15W DC/DC 10.8 to | DC/DC High Efficiency DC/DC converters
CXE15-48S2V5 Model Input Characteristics
Characteristic Input current - operating Symbol Iin Iin (max.) Iin (ripple) Min Typ 0.367 Max 0.372 Units ADC Notes and Conditions Vin = Vin (nom); Iout = Iout (max.); Vo = Vo (nom) Vin = Vin (min); Iout = Iout (max.); Vo = Vo (nom)
Input current - maximum
0.541
0.548
ADC
Reflected ripple current
1.8 5
mA RMS Iout = Iout (max.), measured mA pk-pk with external filter. See Application Note 116 details F Internal to converter
Input capacitance internal filter Input capacitance External bypass
Cinput Cbypass 0
1.5
F
Recommended customer added capacitance
CXE15-48S2V5 Model Electrical Characteristics - O/P
Characteristic Nominal set-point voltage Symbol Vo (nom.) Min 2.44 Typ 2.50 Max 2.56 Units VDC Notes and Conditions Vin = Vin (nom); Iout = Iout (nom) Worst case condition over line, load, temperature and life For all line, static load and temperature until end of life Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max)
Total regulation band
Vo
2.42
2.58
VDC
Line regulation
0.5
%
Load regulation
1.5
%
Output current continuous Output current - short circuit
Iout Isc Vp-p Vrms
0.00 10
6 12
ADC A RMS Continuous, unit auto recovers from short, Vo < 100mV
Output voltage - noise
40 14
70 20
mV pk-pk Measurement bandwidth 20 MHz mV rms See Application Note 116 for set-up details
8
CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
CXE15-48S2V5 Model Electrical Characteristics - O/P
Characteristic Load transient response peak deviation Load transient response recovery Symbol Vdynamic Trecovery Min Typ 150 Max Units mV Notes and Conditions Peak deviation for 50% to 75% step load, di/dt = 100 mA/sec Settling time to within 1% of output set point voltage for 50% to 75% step load
400
sec
External load capacitance
Cext
0
10,000
F
CXE15-48S2V5 Model Protection and Control Features
Characteristic Overvoltage clamp voltage Symbol Vov Ioc Min 2.7 Typ Max 3.75 Units V DC Notes and Conditions Non-latching Refer to Application Note 116 Vo = 90% of Vo (nom) Trim up (% of Vo nom). Note that the maximum output power is still 15W. Derate the maximum output current accordingly Trim down (% of Vo nom) See Application Note 116 for details of trim equations and trim curves No sense function
Overcurrent limit inception Allowable output voltage trim range
7.5
8.4 110
A DC %
90
%
Open sense voltage
V DC
CXE15-48S2V5 Model Efficiency
Characteristic Efficiency Symbol Min 84 Typ 85 Max Units % Notes and Conditions Iout = 100% Iout (max), Vin = Vin (nom) Iout = 50% Iout (max), Vin = Vin (nom)
Efficiency
81
83
%
9
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CXE15-48S3V3 Model Input Characteristics
Characteristic Input current - operating Symbol Iin Iin (max.) Min Typ 0.360 Max 0.364 Units A DC Notes and Conditions Vin = Vin (nom); Iout = Iout (max.); Vo = Vo (nom) Vin = Vin (min); Iout = Iout (max.); Vo = Vo nom (measured at converter)
Input current - maximum
0.529
0.536
A DC
Reflected ripple current
Iin (ripple)
1.8 5
mA RMS Iout = Iout (max.), measured mA pk-pk with external filter. See Application Note 116 details F Internal to converter
Input capacitance internal filter Input capacitance external bypass
Cinput Cbypass 0
1.5
F
Recommended customer added capacitance
CXE15-48S3V3 Model Electrical Characteristics - O/P
Characteristic Nominal set-point voltage Symbol Vo (nom) Min 3.24 Typ 3.30 Max 3.38 Units V DC Notes and Conditions Vin = Vin (nom); Iout = Iout (nom) Worst case condition over line, load, temperature and life For all line, static load and temperature until end of life Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max)
Total regulation band
Vo
3.19
3.41
V DC
Line regulation
0.10
%
Load regulation
0.50
%
Output current continuous Output current - short circuit
Iout Isc Vp-p Vrms
0.00 8.0
4.5 10
A DC A rms Continuous, unit auto recovers from short, Vo < 100mV
Output voltage - noise
70 20
100 35
mV pk-pk Measurement bandwidth: mV rms 20 MHz. See Application Note 116 for measurement set-up details
10
CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
CXE15-48S3V3 Model Electrical Characteristics - O/P
Characteristic Load transient response peak deviation Load transient response recovery Symbol Vdynamic Trecovery Min Typ 100 Max Units mV Notes and Conditions Peak deviation for 50% to 75% step load, di/dt = 100 mA/sec Settling time to within 1% of output set point voltage for 50% to 75% step load
400
sec
External load capacitance
Cext
0
10,000
F
CXE15-48S3V3 Model Protection and Control Features
Characteristic Overvoltage clamp voltage Symbol Vov Ioc Min 3.6 Typ Max 5.0 Units V DC Notes and Conditions Non-latching Refer to Application Note 116 Vo = 90% of Vo (nom) Trim up (% of Vo nom). Note that the maximum output power is still 15W. Derate the maximum output current accordingly Trim down (% of Vo nom) See Application Note 116 for details of trim equations and trim curves No sense function
Overcurrent limit inception Allowable output voltage trim range
5.6
6.3 110
A DC %
90
%
Open sense voltage
V DC
CXE15-48S3V3 Model Efficiency
Characteristic Efficiency Symbol Min 85 Typ 86 Max Units % Notes and Conditions Iout = 100% Iout (max), Vin = Vin (nom) Iout = 50% Iout (max), Vin = Vin (nom)
Efficiency
83
85
-
%
11
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CXE15 Single Series | SXA10 Series15W15W DC/DC 10.8 to | DC/DC High Efficiency DC/DC converters
CXE15-48S05 Model Input Characteristics
Characteristic Input current - operating Symbol Iin Iin (max.) Iin (ripple) Min Typ 0.359 Max 0.364 Units ADC Notes and Conditions Vin = Vin (nom); Iout = Iout (max.); Vo = Vo (nom) Vin = Vin (min); Iout = Iout (max.); Vo = Vo (nom)
Input current - maximum
0.529
0.541
ADC
Reflected ripple current
1.4 5.0
mA RMS Iout = Iout (max.), measured mA pk-pk with external filter. See Application Note 116 details F Internal to converter
Input capacitance internal filter Input capacitance External bypass
Cinput Cbypass 0
1.5
F
Recommended customer added capacitance
CXE15-48S05 Model Electrical Characteristics - O/P
Characteristic Nominal set-point voltage Symbol Vo (nom.) Min 4.90 Typ 5.00 Max 5.10 Units VDC Notes and Conditions Vin = Vin (nom); Iout = Iout (nom) Worst case condition over line, load, temperature and life For all line, static load and temperature until end of life Iout = Iout (nom); Vin (min) to Vin (max) Vin = Vin (nom); Iout (min) to Iout (max)
Total regulation band
Vo
4.83
5.17
VDC
Line regulation
0.1
%
Load regulation
0.3
0.5
%
Output current continuous Output current - short circuit
Iout Isc Vp-p Vrms
0.00 5.5
3 7.0
ADC A RMS Continuous, unit auto recovers from short, Vo < 100mV
Output voltage - noise
70 20
100 35
mV pk-pk Measurement bandwidth 20 MHz mV rms See Application Note 116 for set-up details
12
CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
CXE15-48S05 Model Electrical Characteristics - O/P
Characteristic Load transient response peak deviation Load transient response recovery Symbol Vdynamic Trecovery Min Typ 100 Max Units mV Notes and Conditions Peak deviation for 50% to 75% step load, di/dt = 100mA/sec Settling time to within 1% of output set point voltage for 50% to 75% step load
400
sec
External load capacitance
Cext
0
10,000
F
CXE15-48S05 Model Protection and Control Features
Characteristic Overvoltage clamp voltage Symbol Vov Ioc Min 5.5 Typ Max 7.2 Units V DC Notes and Conditions Non-latching Refer to Application Note 116 Vo = 90% of Vo (nom) Trim up (% of Vo nom). Note that the maximum output power is still 15W. Derate the maximum output current accordingly Trim down (% of Vo nom) See Application Note 116 for details of trim equations and trim curves No sense function
Overcurrent limit inception Allowable output voltage trim range
3.7
4.2 110
A DC %
90
%
Open sense voltage
V DC
CXE15-48S05 Model Efficiency
Characteristic Efficiency Symbol Min 86 Typ 87 Max Units % Notes and Conditions Iout = 100% Iout (max), Vin = Vin (nom) Iout = 50% Iout (max), Vin = Vin (nom)
Efficiency
82
84
%
13
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CXE15 Single Series | SXA10 Series15W15W DC/DC 10.8 to | DC/DC High Efficiency DC/DC converters
CXE15-48S1V8 Model
6.5 OUTPUT CURRENT (A) 120 OUTPUT CURRENT (%) 100 80 60 40 20 0 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) 100
33Vin - 75Vin <60Vin
6 5.5 5 4.5 4 3.5 3 25 55 35 45 65 75 AMBIENT TEMPERATURE (C) 85
Natural Convection Simulation 100LFM 200LFM 300LFM 400LFM
Figure 1: Output Current vs Temperature (Still Air)
Figure 2: Output Current vs Temperature with Forced Air Cooling
2.0 OUTPUT VOLTAGE (V) 1.6 1.2 0.8 0.4 0.0 0 2 4 6 8 10 12 OUTPUT CURRENT (A)
Low Line Nom Line High Line
83.5 83.0 82.5 82.0 81.5 81.0 80.5 80.0 79.5 79.0 78.5 33.9
EFFICIENCY (%)
42.2
50.4 58.6 66.8 INPUT VOLTAGE (V)
75.1
Figure 3: V-1 Characteristic Over Input Line
Figure 4: Efficiency vs Line
90 EFFICIENCY (%) EFFICIENCY (%) 85 80 75 70 65 60 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) 100
100% Load 50% Load 25% L0ad
90 80 70 60 50 40 30 20 10 0 0 1 2 3 4 5 OUTPUT CURRENT (A) 6
Low Line Nom Line High Line
Figure 5: Typical Efficiency vs Ambient Temperature
Figure 6: Efficiency vs Load
14
CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
CXE15-48S1V8 Model
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
2.0 1.5 1.0 0.5 0.0
Low Line Nom Line High Line Signal
2.0 1.5 1.0 0.5 0.0
Low Line Nom Line High Line Signal
0
2
4 6 TIME (mSec)
8
10
0
1
2 3 TIME (mSec)
4
5
Figure 7: Typical Power-up Characteristic
Figure 8: Control On/Off Characteristic
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
0.05 0.00 -0.05 -0.10 -0.15
0.15 0.10 0.05 0.00 -0.05
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 TIME (mSec)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 TIME (mSec)
Figure 9: Typical Transient Response 50%-75% Step Load Change
Figure 10: Typical Transient Response 75%-50% Step Load Change
VOLTAGE (10mV/Div)
TIME (2.0 Sec/Div)
Figure 11: Typical Ripple and Noise Measurement
15
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CXE15-48S2V5 Model
6.5 OUTPUT CURRENT (A) 6 5.5 5 4.5 4 3.5 3 -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) 100 25 55 35 45 65 75 AMBIENT TEMPERATURE (C) 85 120 100 80 60 40 20 0 -40
33Vin - 75Vin <60Vin Natural Convection Simulation 100LFM 200LFM 300LFM 400LFM
OUTPUT CURRENT (%)
Figure 12: Output Current vs Temperature (Still Air)
Figure 13: Output Current vs Temperature with Forced Air Cooling
3.0 OUTPUT VOLTAGE (V) 2.5 EFFICIENCY (%) 2.0 1.5 1.0 0.5 0.0 0 2 4 6 8 10 12 OUTPUT CURRENT (A)
Low Line Nom Line High Line
85.5 85.0 84.5 84.0 83.5 83.0 82.5 82.0 81.5 33.9
42.1
50.4 58.6 66.8 INPUT VOLTAGE (V)
75.0
Figure 14: V-1 Characteristic Over Input Line
Figure 15: Efficiency vs Line
90 EFFICIENCY (%) EFFICIENCY (%) 85 80 75 70 65 60 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) 100
100% Load 50% Load 25% L0ad
90 80 80 60 50 40 30 20 10 0 0 1 2 3 4 5 6 OUTPUT CURRENT (A)
Low Line Nom Line High Line
Figure 16: Typical Efficiency vs Ambient Temperature
Figure 17: Efficiency vs Load
16
CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
CXE15-48S2V5 Model
3.0 OUTPUT VOLTAGE (V) 2.0 1.0 0.0
Low Line Nom Line High Line Signal
3.0 OUTPUT VOLTAGE (V) 2.0 1.0 0.0
Low Line Nom Line High Line Signal
0
2
4 6 TIME (mSec)
8
10
0.0
0.1
0.2 0.3 TIME (mSec)
0.4
0.5
Figure 18: Typical Power-up Characteristic
Figure 19: Control On/Off Characteristic
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
0.05 0.00 -0.05 -0.10 -0.15
0.15 0.10 0.05 0.00 -0.05
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 TIME (mSec)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 TIME (mSec)
Figure 20: Typical Transient Response 50%-75% Step Load Change
Figure 21: Typical Transient Response 75%-50% Step Load Change
VOLTAGE (10mV/Div)
TIME (2.0 Sec/Div)
Figure 22: Typical Ripple and Noise Measurement
17
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CXE15-48S3V3 Model
5 OUTPUT CURRENT (A) OUTPUT CURRENT (%) 120 100 80 60 40 20 0 -40 -20 0 20 40 60 80 100
33Vin - 75Vin <60Vin
4.5 4 3.5 3 2.5 2 1.5 25 55 35 45 65 75 AMBIENT TEMPERATURE (C) 85
Natural Convection Simulation 100LFM 200LFM 300LFM 400LFM
AMBIENT TEMPERATURE (C)
Figure 23: Output Current vs Temperature (Still Air)
Figure 24: Output Current vs Temperature with Forced Air Cooling
3.5 OUTPUT VOLTAGE (V) 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 2 4 6 8 10 OUTPUT CURRENT (A)
Low Line Nom Line High Line
87.0 EFFICIENCY (%) 86.5 86.0 85.5 85.0 84.5 84.0 33.9 42.1 50.4 58.6 66.8 INPUT VOLTAGE (V) 75.0
Figure 25: V-1 Characteristic Over Input Line
Figure 26: Efficiency vs Line
90 EFFICIENCY (%) EFFICIENCY (%) 85 80 75 70 65 60 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) 100
100% Load 50% Load 25% L0ad
100 80 60 40 20 0 0.0
Low Line Nom Line High Line
0.8
1.5
2.2
3.0
3.7
4.5
OUTPUT CURRENT (A)
Figure 27: Typical Efficiency vs Ambient Temperature
Figure 28: Efficiency vs Load
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CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
CXE15-48S3V3 Model
OUTPUT VOLTAGE (V)
Low Line Nom Line High Line Signal
OUTPUT VOLTAGE (V)
4.0 3.0 2.0 1.0 0.0
4 3 2 1 0
Low Line Nom Line High Line Signal
0
2
4 6 TIME (mSec)
8
10
0
1
2 3 TIME (mSec)
4
5
Figure 29: Typical Power-up Characteristic
Figure 30: Control On/Off Characteristic
OUTPUT VOLTAGE (V)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 TIME (mSec)
OUTPUT VOLTAGE (V)
0.02 0.00 -0.02 -0.04 -0.06 -0.08
0.10 0.08 0.06 0.04 0.02 0.00 -0.02
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 TIME (mSec)
Figure 31: Typical Transient Response 50%-75% Step Load Change
Figure 32: Typical Transient Response 75%-50% Step Load Change
VOLTAGE (10mV/Div)
TIME (2.0 Sec/Div)
Figure 33: Typical Ripple and Noise Measurement
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CXE15 Single Series | SXA10 Series15W15W DC/DC 10.8 to | DC/DC High Efficiency DC/DC converters
CXE15-48S05 Model
3.5 OUTPUT CURRENT (A) OUTPUT CURRENT (%) 120 100 80 60 40 20 0 -40 -20 0 20 40 60 80 100
33Vin - 75Vin <60Vin
3 2.5 2 1.5 1 0.5 0 25 55 35 45 65 75 AMBIENT TEMPERATURE (C) 85
Natural Convection Simulation 100LFM 200LFM 300LFM 400LFM
AMBIENT TEMPERATURE (C)
Figure 34: Output Current vs Temperature (Still Air)
Figure 35: Output Current vs Temperature with Forced Air Cooling
6.0 OUTPUT VOLTAGE (V) 5.0 EFFICIENCY (%) 4.0 3.0 2.0 1.0 0.0 0 6 4 2 OUTPUT CURRENT (A) 8
Low Line Nom Line High Line
88.5 88.0 87.5 87.0 86.5 86.0 85.5 85.0 32.9 41.3 49.8 58.2 66.6 INPUT VOLTAGE (V) 75.0
Figure 36: V-1 Characteristic Over Input Line
Figure 37: Efficiency vs Line
90 EFFICIENCY (%) EFFICIENCY (%) 85 80 75 70 65 60 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) 100
100% Load 50% Load 25% L0ad
100 80 60 40 20 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 OUTPUT CURRENT (A)
Low Line Nom Line High Line
Figure 38: Typical Efficiency vs Ambient Temperature
Figure 39: Efficiency vs Load
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CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
CXE15-48S05 Model
6.0 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 4.0 2.0 0.0
Low Line Nom Line High Line Signal
6.0 4.0 2.0 0.0
Low Line Nom Line High Line Signal
0
2
4 6 TIME (mSec)
8
10
0.0
0.1
0.2 0.3 TIME (mSec)
0.4
0.5
Figure 40: Typical Power-up Characteristic
Figure 41: Control On/Off Characteristic
OUTPUT VOLTAGE (V)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 TIME (mSec)
OUTPUT VOLTAGE (V)
0.02 0.00 -0.02 -0.04 -0.06 -0.08
0.08 0.06 0.04 0.02 -0.00 -0.02
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 TIME (mSec)
Figure 42: Typical Transient Response 50%-75% Step Load Change
Figure 43: Typical Transient Response 75%-50% Step Load Change
VOLTAGE (10mV/Div)
TIME (2.0 Sec/Div)
Figure 44: Typical Ripple and Noise Measurement
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CXE15 Single Series | SXA10 Series15W15W DC/DC 10.8 to | DC/DC High Efficiency DC/DC converters
TOP VIEW
1.000 (25.40)
Dimensions in Inches [mm]
2.000 (50.80)
0.350 (8.89) SIDE VIEW 0.600 (15.24) 0.040 (1.02) 0.600 (15.24) 0.800 (20.32)
0.015 (0.38)
0.120 (3.05)
Recommended Hole Pattern 0.800 (20.32)
4
0.100 (2.54) 0.400 (10.16)
0.200 (5.08)
0.800 (20.32)
3 1 6
Case Outline 0.400 (10.16) 0.040 (1.016) 0.400 (10.16)
BOTTOM VIEW
0.200 (5.08) 0.300 (7.62) 0.10 (2.54)
2 5 1 3 6
0.400 (10.16) 0.600 (15.24)
0.200 (5.08)
.200(5.08) .560 (14.22) 5 .060 (1.52) 2
4
Standoff (4 places)
Plated Through Hole 0.052-0.06 (1.321-1.40) typical
Pin Connections
Pin No. 1 2 3 4 5 6 Function Vin Vin+ On/Off (Optional) Vout + Trim (Optional) Vout -
Figure 45: Dimensions and Pinout
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CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
Note 1
Hot spot temperature is defined as the highest temperature measured at any one of the specified hotspot checkpoints. See Figure 46: Hotspot temperature check points.
Note 2
The control pin is referenced to Vin-.
Note 3
The CXE15 is supplied as standard with active high logic. Control input pulled low: Unit disabled. Control input left open: Unit enabled. Figure 46: Hot Spot Location on all Models
Note 4
Thermal reference set up: Unit mounted on an edge card test board 215mm x 115mm. Test board mounted vertically. For test details and recommended set-up see Application Note 116. CAUTION: Hazardous internal voltages and high temperatures. Ensure that unit is accessible only to trained personnel. The user must provide the recommended fusing in order to comply with safety approvals.
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CXE15 Single Series | 10.8 to 15W DC/DC High Efficiency DC/DC converters
NORTH AMERICA
e-mail: sales.us@artesyn.com
800 769 7274 + 508 628 5600
EUROPEAN LOCATIONS
e-mail: sales.europe@artesyn.com
IRELAND + 353 24 93130 AUSTRIA + 43 1 80150
FAR EAST LOCATIONS
e-mail: sales.asia@artesyn.com
HONG KONG + 852 2699 2868
LFDS_CXE15_20021001.PDF
Long Form Data Sheet Artesyn Technologies(R) 2001 The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
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