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ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
RoHS Compliant Rev.D
0RQ1-C5TV8x Features
* * * * * * * Isolated
* * * * *
Low Cost Output Over-Voltage Protection Over Temperature Protection SCP/OCP Remote On/Off
Fixed Frequency (350 kHz) High Efficiency High Power Density Input Under-Voltage Protection
Class 1, Category 2, Isolated DC/DC Converter (refer to IPC-9592) UL60950-1 Recognized (UL/cUL) (Pending)
Applications
* * * Networking Computers and peripherals Telecommunications
Description
The 0RQ1-C5TV8x is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This converter provides up to 108 W of output power. Features include remote on/off, short circuit protection, over current protection, over-temperature protection, output over-voltage protection, input under-voltage protection. This converter is provided in a compact, though-hole package that is easy to use and provides good thermal performance.
Part Selection
Output Voltage 1.8 Vdc 1.8 Vdc Input Voltage 36 Vdc - 75 Vdc 36 Vdc - 75 Vdc Max. Output Current 60 A 60 A Max. Output Power 108 W 108 W Typical Efficiency 89% 89% Model Number Active High 0RQ1-C5TV8A 0RQ1-C5TV80 Model Number Active Low 0RQ1-C5TV8B 0RQ1-C5TV8L
Notes: Add "G" suffix at the end of the model number to indicate Tray Packaging.
Part Number Explanation 0 R Q1 - C5 T V8 x
12 3 4 5 67
1---Through hole 2---RoHS 6, change "R" to "7" means RoHS 5 3---Series name, 1/4 Brick 4---Series code 5---Input range 48V wide (36-75V) 6---Output voltage (1.8V) 7---Suffix
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
1
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Min -0.3 -0.3 -40 -55 Typ Max 80 100 18 1500 85 125 Unit V V V V C C Non-operating 100 mS maximum Notes
Absolute Maximum Ratings
Parameter Continuous Input Voltage Input Transient Voltage Remote On/Off I/O Isolation Voltage Ambient Temperature Storage Temperature
Note: All specifications are typical at 25 C unless otherwise stated.
Input Specifications
Parameter Operating Input Voltage Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold
2
Min 36 32 30
Typ 48 70 5 10 2 34 32
Max 75 4 100 10 20 7 1 35 34
Unit V A mA mA mA mA As V V
2
Notes
With simulated source impedance of 10 uH, 5 Hz to 20 MHz; use a 100 uF/100 V electrolytic capacitor with ESR = 1 ohm max at 200 kHz
CAUTION: This converter is not internally fused. An input line fuse must be used in application. Recommend a fast-acting fuse with maximum rating of 5A on system board. Refer to the fuse manufacture's datasheet for further information. Notes: 1. This converter has internal C-L-C (0.47uF-2.2uH-6.6uF) filter. 2. All specifications are typical at 25 C unless otherwise stated.
Output Specifications
Parameter Output Voltage Set Point Load Regulation Line Regulation Regulation Over Temperature (-40deg.C-85deg.C) Ripple and Noise (pk-pk) Ripple and Noise (rms) Output Ripple and Noise(Pk-Pk) under worst case Output Current Range Min 1.764 0 Typ 1.8 5 2 60 15 Max 1.836 10 7 0.01 100 30 150 60 Unit V mV mV %Vo /C mV mV mV A Vin=48V, full load, 0-20MHz BW, with a 1F ceramic capacitor and a 10F tantalum capacitor at output over all operating input voltage, load and ambient temperature condition Notes Vin=48V, half load Vin=48 V, Iout=0-60 A Vin=36~75V, full load
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
2
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Min 65 0 Overshoot Settling Time Overshoot Settling Time Typ 75 30 0 60 150 60 150 Max 85 15 50 3 20,000 100 200 100 200 Unit A mS mS % uF mV uS mV uS di/dt=0.1A/us, Vin=48 Vdc, Ta=25 C, with a 1F ceramic capacitor and a 10uF Tantalum cap at output Notes
Output Specifications (continued)
Parameter Output DC Current Limit Rise time Turn on Time Overshoot at Turn on Output Capacitance Transient Response
V50%~75% of
Max Load
V75%~50% of
Max Load
Note: All specifications are typical at nominal input, full load at 25C unless otherwise stated.
General Specifications
Parameter Efficiency Switching Frequency Output Voltage Trim Range Over Temperature Protection Over Voltage Protection(Static) Over Voltage Protection (Dynamic) Weight FIT Dimensions Inches (L x W x H) Millimeters (L x W x H) Dimensions Inches (L x W x H) Millimeters (L x W x H) Isolation characteristics Input to Output Input to Case Output to Case Isolation Resistance Isolation Capacitance 10M 1500 1500 1500 500 Vdc Vdc Vdc ohm pF 2.28 x 1.45 x 0.402 57.88 x 36.83 x 10.21 0RQ1-C5TV80 & 0RQ1-C5TV8L 2.34 x 1.51 x 0.53 59.49 x 38.40 x 13.49 0RQ1-C5TV8A & 0RQ1-C5TV8B Min 87 320 80 2 Typ 89 350 120 70 TBD Max 380 110 130 2.5 2.8 Unit % kHz %Vo C V V g Calculated Per Bell Core SR-332 (Vin=48 V, Vo=1.8V, Io=48A, Ta = 9 25C, FIT=10 /MTBF) This voltage is achieved by trimming up output slowly. The transient over voltage is achieved by connecting the Trim pin to Vout+ pin through a 1K resistor. Notes Vin=48V, full load
Note: All specifications are typical at 25 C unless otherwise stated.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
3
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Efficiency Data
Efficiency Curve 92.0% 90.0% Efficiency 88.0% 86.0% 84.0% 82.0% 15A 36 V 48 V 75 V
30A
45A
60A
Output Current
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
4
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Min -0.3 2.4 -0.3 2.4 0 Typ Max 0.8 18 0.8 18 1 Unit V V V V mA Notes The remote on/off pin open, Unit off. The remote on/off pin open, Unit on.
Remote On/Off
Parameter Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Current Sink Active Low Active High
Recommended remote on/off circuit for active low
Vin+
Vin+ On/off
On/off
Vin-
Vin-
Control with open collector/drain circuit
Vin+
Vcc
Control with photocoupler circuit
Vin+
On/off
On/off
Vin-
Vin-
Control with logic circuit Recommended remote on/off circuit for active high
Vin+
Permanently on
Vin+
On/off
On/off
Vin-
Vin-
Control with open collector/drain circuit
Vin+
Vcc
Control with photocoupler circuit
Vin+
On/off
On/off
Vin-
Vin-
Control with logic circuit
Permanently on
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
5
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Output Trim Equations
Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected between the Trim pin and Sense (-) pin. The Trim Up resistor should be connected between the Trim pin and the Sense (+). Only one of the resistors should be used for any given application. Minimum trim down voltage is 1.44V Maximum trim up voltage is 1.98V. The total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage.
Vout +sense
Rtrimdow n =
511 - 10 . 22 [k ] delta
Trim Rtrim_down -sense GND
Vout +sense
(100 + delta ) Vo 5 .11 - 626 Rtrimup = - 10 .22 [k ] 1 .225 delta
Rtrim_up Trim -sense GND
Note:
delta =
(Vadj - Vo ) x 100
Vo
[ %]
Vadj is the desired output voltage Vo = 1.804V @Iout=0
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
6
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Remote Sense
This module has remote sense compensation feature. It can minimize the effects of resistance between module's output and load in system layout and facilitates accurate voltage regulation at load terminals or other selected point. 1. The remote sense lines carries very little current and hence do not require a large cross-sectional area. 2. This module compensates for a maximum drop of 10% of the nominal output voltage. 3. If the unit is already trimmed up, the available remote sense compensation range should be correspondingly reduced. The total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage. 4. When using remote sense compensation, all the resistance, parasitic inductance and capacitance of the system are incorporated within the feedback loop of this module. The can make an effect on the module's compensation, affecting the stability and dynamic response. A 0.1uF ceramic capacitor can be connected at the point of load to de-couple noise on the sense wires. 5. Recommend the connection of remote sense compensation as below figure. There are a resistor RS+ (10 ohm) from Vo+ to Sense+ and a resistor RS- (10 ohm)) from Vo- to Sense- inside of this module.
Vo+
RS+
Sense+ Load SenseRS-
V o-
6. If not using remote sense compensation, please connect sense directly to output at module's pin, that is, connect sense+ to Vo+ and sense- to Vo- at module's pin, the shorter the better. See below figure.
V o+
RS+
Sense+ Load SenseRS-
Vo-
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
7
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Over Current Protection
To provide protection in a fault output overload condition, the module is equipped with internal current-limiting circuitry and can endure current limiting for a few mili-seconds. If the over current condition persists beyond a few milliseconds, the module will shut down into hiccup mode and restart once every 210mS. The module operates normally when the output current goes into specified range. The typical average output current is 3A during hiccup.
Vin=48V
Expansion of on time portion
Over Voltage Protection
The output overvoltage protection consists of circuitry that monitors the voltage on the output terminals. If the voltage on the output terminals exceeds the over voltage protection threshold, the module will shutdown into hiccup mode and restart once every 350mS. The module operates normally when the fault is cleared. Test setup: Waveform:
R1K
Vo+ K Trim R Vo-
Sense+ K Trim R Sense-
Vin=48V, Iout=5A
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
8
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Over Temperature Protection
The OTP is achieved by thermistor R60 and the threshold is set at 120C in non-latch mode; the hottest component Q1 reaches 120C with 100LFM air flow correspondingly. It will restart automatically when the temperature falls down to 100C. The protecting point will be varied a little under different conditions (air flow, ambient temperature, input voltage, load...).
Input Under-voltage Lockout
Input Current
Under-voltage Lockout
Voltage Falling
V1=32V V2=34V
Voltage Rising
V1
V2
Input Voltage (V)
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
9
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Ripple and Noise Waveforms
48Vdc input, 1.8Vdc/60A output Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10 uF Tantalum cap at output and Ta=25 deg C.
Transient Response Waveforms
Vout=1.8V 50%-75% Load Transients at Vin=48V
Vout=1.8V 75%-50% Load Transients at Vin=48V
Note: Transient response at di/dt=0.1A/uS, 1uF ceramic cap and 10uF aluminum cap at output and Ta=25 deg C.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
10
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Startup & Shutdown
Rise Time Shutdown
Vin=48V, Vo=1.8V, Io=60A
Vin=48V, Vo=1.2V, Io=60A
Startup time
Startup from Vin Ch1: Vo Ch3: Vin Vin=48V, Vo=1.2V, Io=60A
Startup from on/off Ch1: Vo Ch3: on/off Vin=48V, Vo=1.2V, Io=60A
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
11
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Thermal Derating Curve
Maximum junction temperature of semiconductors derated to 120 degree C.
Derating curve under normal input
Temperature reference points on top side
Temperature reference points on bottom side
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
12
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Safety & EMC
Safety 1. Material flammability 2. TUV Certification 3. UL Certification EMC 1. Surge IEC61000-4-5 2. DC-DIP IEC61000-4-29 3. Conductive EMI EN55022 class A Compliance to EN55022 class A (both q.peak and average) with the following inductive and capacitive filter Setup: UL94V-0 EN60950-1 UL60950-1
C4 +Vin C1 -V in T1 C5 T1 Conv.positive input C2 C3 Conv.negative input
Item 1 2 3 4 5 6
Designator C1 C2 C3 C4 C5 T1
Parameter 1uF/100V,ceramic 0.1uF/100V, ceramic 100uF/100V, AL cap 2200pF/2000V,ceramic 2200pF/2000V,ceramic 1.3mH, common mode
Vendor Murata TDK Nichicon Johanson Johanson Pulse
Vendor P/N GRM32ER72A105KA01L C3216X7R2A104K UVZ2A101MPD 631R15W222KV4TE 631R15W222KV4TE P0402NL
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
13
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Safety & EMC (continued)
Positive Negative
Layout
Layout of components on top side
Layout of components on bottom side
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
14
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Mechanical Outline
0RQ1-C5TV8A and 0RQ1-C5TV8B
Pin Connections
Pin 1 2 3 4 5 6 7 8 Function Vin(-) On/Off Vin(+) Vo(+) Sense(+) Trim Sense(-) Vo(-) Pin Size 0.040'' 0.040'' 0.040'' 0.060'' 0.040'' 0.040'' 0.040'' 0.060''
Notes: 1. Pin 5 must be connected to Vo(+). 2. Pin 7 must be connected to Vo(-).
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
15
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Mechanical Outline
0RQ1-C5TV80 and 0RQ1-C5TV8L
Pin Connections
Pin 1 2 3 4 5 6 7 8 Function Vin(-) On/Off Vin(+) Vo(+) Sense(+) Trim Sense(-) Vo(-) Pin Size 0.040'' 0.040'' 0.040'' 0.060'' 0.040'' 0.040'' 0.040'' 0.060''
Notes: 1. Pin 5 must be connected to Vo(+). 2. Pin 7 must be connected to Vo(-). Note: This module is recommended and compatible with Pb-Free Wave Soldering and must be soldered using a peak solder temperature of no more than 260 C for less than 5 seconds. Note: 1) All Pins: Material - Copper Alloy; Finish - 3 micro inches minimum Gold over 50 micro inches minimum Nickel plate. 2) Undimensioned components are shown for visual reference only. 3) All dimensions in inches (mm); Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm).
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com
16
ISOLATED DC/DC CONVERTERS
36 - 75 Vdc Input Jan. 27, 2010 1.8 Vdc /60 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Revision History
Date 2008-09-19 2008-12-02 2009-05-06 Revision PA PB PC First release Update mechanical drawing. 1. Update efficiency. 2. Add mechanical drawing, efficiency data, ripple and transients' wave and the derating curve. 2010-01-27 D 1. Update the max value of continuous input voltage from 75V to 80V. 2. Update the no load input current from 180mA to 100mA. 3. Update the max value of line regulation from 5mV to 7mV. JZ Wang Changes Detail Approval YP Zhou YP Zhou YP Zhou
RoHS Compliance
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products.
(c)2010 Bel Fuse Inc. Specifications subject to change without notice. 012710
17
CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com

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