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FEATURES
* 50 WATTS MAXIMUM OUTPUT POWER * SINGLE OUTPUT UP TO 20A * COMPACT 2.28 X 1.45 X 0.50 INCH PACKAGE * HIGH EFFICIENCY UP TO 91% * 2:1 WIDE INPUT VOLTAGE RANGE * FIXED SWITCHING FREQUENCY * INDUSTRY STANDARD FOOTPRINT * NO MINIMUM LOAD * ADJUSTABLE OUTPUT VOLTAGE * UNDER-VOLTAGE LOCKOUT * INPUT TO OUTPUT ISOLATION (BASIC INSULATION) * CE MARK MEETS 2006/95/EC, 93/68/EEC AND 2004/108/EC * UL60950-1, EN60950-1 AND IEC60950-1 LICENSED * ISO9001 CERTIFIED MANUFACTURING FACILITIES * COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
APPLICATIONS Wireless Network Telecom/Datacom Industry Control System Distributed Power Architectures Semiconductor Equipment
OPTIONS
Positive logic Remote on/off, Pin length
DESCRIPTION
QEB50 single output DC/DC converters provide up to 50 watts of output power in an industry standard quarter-brick package and footprint. These units are specifically designed to meet the power needs of low-voltage silicon. All models feature a wide input range, trimmable output voltage and a 20A current rating.
T E C H N I C A L S P E C I F I C AT I O N
OUTPUT SPECIFICATIONS
Output power Voltage accuracy Minimum load Voltage adjustability Line regulation Load regulation Remote Sense Ripple and noise (Note 5) LL to HL at Full Load No load to Full Load (Note 5) Full load and Normal Vin
All specifications are typical at nominal input, full load and 25C otherwise noted
INPUT SPECIFICATIONS
50 Watts, max. 1.5% 0% + 10% , -20% 0.2% See table 10% of Vout Input voltage range Input filter 24V nominal input 48V nominal input 18 - 36VDC 36 - 75VDC L-C type
20MHz bandwidth See table (Measured with a 1F M/C and a 10FT/C) 0.02% / C, max. Temperature coefficient Transient response recovery time Over voltage Protection threshold (Non-latching Hiccup) Over Current Protection threshold Short circuit protection 25% load step change 200S
120% Vout max. 110% ~ 140% of Iout Rated Hiccup, automatics recovery
50VDC 24V nominal input Input surge voltage 100mS max 48V nominal input 100VDC Nominal Vin and Power up 25mS, typ. Start up time constant resistive load Remote ON/OFF 25mS, typ. 17VDC 24V nominal input Start-up voltage 48V nominal input 34VDC 15VDC 24V nominal input Shutdown voltage 48V nominal input 32VDC Remote ON/OFF (Note 6) Negative logic(Standard) DC-DC ON Short or 0V < Vr < 1.2V DC-DC OFF Open or 3V < Vr < 15V Positive logic(Option) DC-DC ON Open or 3V < Vr < 15V DC-DC OFF Short or 0V < Vr < 1.2V -0.5~1.0mA Input current of remote control pin Nominal Vin Remote off state input current Nominal Vin 2.5mA
ENVIRONMENTAL SPECIFICATIONS
Operating base-plate temperature range (Note 7) Over temperature protection Storage temperature range Thermal shock Vibration Humidity , Max , Non-Condensing -40C to +100C (with derating) 110C, typ. -55C to +125C MIL-STD-810F MIL-STD-810F 95%
GENERAL SPECIFICATIONS
Efficiency Isolation voltage Isolation resistance Isolation capacitance Switching frequency Approvals and standard Case material Weight (approx) MTBF (Note 1) BELLCORE TR-NWT-000332 MIL-HDBK-217F Input to Output Input to Case Output to Case See table 1600VDC, min. 1000VDC, min. 1000VDC, min. 10 ohms, min. 2500 pF, max. 270 KHz, typ. IEC60950-1, UL60950-1, EN60950-1 Aluminum base plate 42g (1.46 oz) 2.500 x 10 hrs 5 3.568 x 10 hrs
6
7
EMC CHARACTERISTICS
EMI (Note 8) Radiated immunity Fast transient (Note 9) Surge (Note 9) Conducted immunity EN55022 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6 Class A 10 V/m Perf. Criteria A 2KV Perf. Criteria B 1KV Perf. Criteria B 10 Vr.m.s Perf. Criteria A
Page 1 of 4 Issued Date2008/05/21
Model Number
QEB50-24S3P3 QEB50-24S05 QEB50-24S12 QEB50-24S15 QEB50-48S1P8 QEB50-48S2P5 QEB50-48S3P3 QEB50-48S05 QEB50-48S12 QEB50-48S15
Input Range
18 - 36 VDC 18 - 36 VDC 18 - 36 VDC 18 - 36 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC
(4) (4) Input Current Output Current Load Output Output Eff Voltage Min. load Full load Ripple & Noise No load(3) Full load(2) (%) regulation 3.3 VDC 5 VDC 12 VDC 15 VDC 1.8 VDC 2.5 VDC 3.3 VDC 5 VDC 12 VDC 15 VDC 0mA 0mA 0mA 0mA 0mA 0mA 0mA 0mA 0mA 0mA 15A 10A 4.17A 3.33A 20A 20A 15A 10A 4.17A 3.33A 100mVp-p 100mVp-p 100mVp-p 100mVp-p 100mVp-p 100mVp-p 100mVp-p 100mVp-p 100mVp-p 100mVp-p 70mA 120mA 180mA 180mA 55mA 55mA 70mA 65mA 120mA 120mA 2398mA 2394mA 2413mA 2392mA 904mA 1240mA 1199mA 1197mA 1207mA 1196mA 90 91 91 91 87 88 90 91 91 91 10mV 15mV 36mV 45mV 5.4mV 7.5mV 10mV 15mV 36mV 45mV
Note :
1.BELLCORE TR-NWT-000332. Case 1: 80% Stress, Temperature at 40C. MIL-HDBK-217F Notice2 @Ta=25 C, Full load(Ground, Benign, controlled environment) 2.Maximum value at nominal input voltage and full load of standard type. 3.Typical value at nominal input voltage and no load. 4.Typical value at nominal input voltage and full load. 5.Maximum output deviation is 10% inclusive of trim. If remote sense is not being used, the + sense should be connected to its corresponding +OUTPUT and likewise the -sense should be connected to its corresponding -OUTPUT. 6.The positive logic and pin length are optional ( see table ). The pin voltage is referenced to -Vin. 7.Heat sink is optional and P/N7G-0029A-F, 7G-0030A-F, 7G-0031A-F, 7G-0032A-F. 8.The QEB50 meets EN55022 class A and class B only with external components connected before the input pin to the converter. 9.An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. The filter capacitor Power Mate suggest: Nippon chemi-con KY series, 220F/100V, ESR 48m. 10.BASEPLATE GROUNDINGBase-plate should be grounded at one of the four screw bolts prior to operation. 11.The converter is provided by basic insulation.
Page 2 of 4 Issued Date2008/05/21
PIN CONNECTION
PIN 1 2 3 4 5 6 7 8 Define - INPUT ON/OFF + INPUT - OUTPUT - SENSE TRIM + SENSE + OUTPUT EXTERNAL OUTPUT TRIMMING Output can be externally trimmed by using the method shown below.
TRIM UP TRIM DOWN
PRODUCT OPTIONS TABLE Option
Negative remote ON/OFF logic, 0.20" pin length (standard) Negative remote ON/OFF logic, 0.145" pin length Negative remote ON/OFF logic, 0.11" pin length
Suffix
-L -K -P -S -M
7
6
RU
6 5
RD
Positive remote ON/OFF logic, 0.20" pin length Positive remote ON/OFF logic, 0.145" pin length Positive remote ON/OFF logic, 0.11" pin length
ExampleQEB50-48S3P3-P
Page 3 of 4 Issued Date2008/05/21
120
OUTPUT POWER (%)
QEB50-48S05 Derating Curve
100 80 60 40 20 0 -40 0 LFM 100 LFM 200 LFM 300 LFM 400 LFM 500 LFM -20 0 20 40
55
60
80
100
120
AMBIENT TEMPERATURE()
QEB50-48S05 Derating Curve With Heatsink 7G-0029 (Note 7 )
120
OUTPUT POWER(%)
100 80 60 40 20 0 -40 0 LFM 100 LFM 200 LFM 300 LFM 400 LFM 500 LFM -20 0 20 40 60 80 100 120
Recommended Filter for EN55022 Class B Compliance The components used in the above figure, together with the manufacturers' part numbers for these components, are as follows:
C1 N/A C6 1.5nF/3KV QEB50-24Sxx C11 0.1F/50V L1 620H C2 N/A C7 6.8F/50V C12 1.0nF/3KV L2 620H C3 6.8F/50V C8 6.8F/50V C13 1.0nF/3KV C4 6.8F/50V C9 6.8F/50V C14 1.0nF/3KV C5 1.5nF/3KV C10 0.1F/50V C15 1.0nF/3KV
AMBIENT TEMPERATURE()
QEB50-48S05 Efficiency VS Input voltage
92 91 90 89 88 87 86 85 36 40 44 48 52 56 60 64 68 72
EFFICIENCY(%)
INPUT VOLTAGE(V)
QEB50-48S05 Efficiency VS Output Load
EFFICIENCY(%)
95 90 85 80 75 70 65 60 10 20 30 40 50 60 70 80 90 100
C1 C2 C3 C4 C5 100F/100V 1.5F/100V 1.5F/100V 1.5F/100V 1.5nF/3KV C6 C7 C8 C9 C10 1.5nF/3KV 47F/100V 1.5F/100V 1.5F/100V 0.1F/50V QEB50-48Sxx C11 C12 C13 C14 C15 0.1F/50V 1.0nF/3KV 1.0nF/3KV 1.0nF/3KV 1.0nF/3KV L1 L2 620H 620H
OUTPUT LOAD (% of Full Load)
Recommended EN55022 Class B Filter Circuit Layout
Page 4 of 4 Issued Date2008/05/21

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