ISOLATED DC/DC CONVERTERS
48 Vdc Input Sep. 03, 2010 12 Vdc / 33 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
RoHS Compliant
• • • • • •
0RQB-Q0T12C
• • • • • • Basic Isolation
Rev. F
Low Cost SCP/OCP Remote On/Off Over Temperature Protection Output Over Voltage Protection Baseplate
Fixed Frequency (300 kHz) High Efficiency High Power Density Input Under Voltage Lockout Input Over Voltage Lockout
Description
The 0RQB-Q0T12C is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will provide up to 400 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and low cost. Features include remote on/off, over current protection and over voltage protection. The converter is provided in an industry standard quarter brick package.
Part Selection
Output Voltage 12 Vdc Input Voltage 36 Vdc - 75 Vdc Max. Output Current 33 A Max. Output Power 400 W Typical Efficiency 95% Model Number Active Low 0RQB-Q0T12C
Notes: 1. Add “G” suffix at the end of the model number to indicate Tray Packaging. 2. The part number above indicates RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter Input Voltage (continuous) Input voltage Transient protection Remote On/Off I/O Isolation Voltage Ambient Temperature Storage Temperature Min -0.3 V -0.3 V -40 °C -55 °C Typ Max 75 V 100V 18 V 1500 V 85 °C 125 °C Notes Operating for 100mS
Note: All specifications are typical at 25 °C unless otherwise stated.
Input Specifications
Parameter 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
1
Min 36 V 33 V 32.5 V
Typ 48 V 80 mA 10 mA 20 mA 5 mA 34.5 V 33.5 V
Max 75 V 13 A 150 mA 20 mA 30 mA 10 mA 1AS 35.5 V 35 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.
Notes: 1. Should place at least 220uF/100V electrolytic capacitor directly adjacent to the input pin of the module. 2. All specifications are typical at nominal input, full load 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
ISOLATED DC/DC CONVERTERS
48 Vdc Input Sep. 03, 2010 12 Vdc / 33 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Parameter Min 11.5 V 0A 34 A 0 uF Typ 12 V ±150 mV ±80 mV ±150 mV 85 mV 25 mV 38 A 30 mS 10 mS 0% Max 12.5 V ±300 mV ±130 mV ±250 mV 120 mV 50 mV 33 A 44 A 5A s 60 mS 35 mS 3% 10000 uF Enable form Vin Enable form ON/OFF
2
Output Specifications
Notes Vin=48 V, Io=50%Load. Output Voltage Set Point Load Regulation Line Regulation Regulation Over Temperature (-40 °C to 85 °C) Ripple and Noise (pk-pk) Ripple and Noise (rms) Output Current Range Output DC Current Limit Short Circuit Surge Transient Turn on Time Overshoot at Turn on Output Capacitance Transient Response 50% ~ 75% Max Load 75% ~ 50% Max Load Overshoot Settling Time Overshoot Settling Time VO=12 V 300 mV 300 uS 300 mV 300 uS 600 mV 500 uS 600 mV 500 uS di/dt=0.1A/us, Vin=48 Vdc, Ta=25 °C, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output.
0 - 20 MHz BW, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output.
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
General Specifications
Parameter Efficiency Switching Frequency Isolation characteristics Input to Output Isolation Resistance Isolation Capacitance Over Voltage Protection (static) Over Temperature Protection MTBF Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight 2.30 x 1.45 x 0.47 58.42 x 36.83 x 11.86 50.3 g 10M Ohm 13 V 2200 pF 15.5 V 125 °C 1,745,053 hours 1500 V 17 V 130 °C Calculated Per Bell Core SR-332 (Vin=48 V, Vo=12 V, Io=80%load, Ta = 25 °C) Min 93% Typ 95% 300 kHz Max Notes Vin=48 V, 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
ISOLATED DC/DC CONVERTERS
48 Vdc Input Sep. 03, 2010 12 Vdc / 33 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Min -0.3 V 2.4 V 0 mA Typ Max 0.8 V 18 V 0.75 mA Notes The Remote On/Off pin is open, Unit off.
Control Specifications
Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Current Sink
Active Low
Efficiency Data
98.00% 96.00% 94.00% 92.00% 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 3.30 8.25 16.50 24.75 33.00 OUTPUT CURRENT(A)
EFFICIENCY
36 V 48 V 60 V
Thermal Derating Curve
Test @Vin=48V,with maximum junction temperature of semiconductors derated to 120℃
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input Sep. 03, 2010 12 Vdc / 33 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Ripple and Noise Waveform
48 Vdc input, 12 Vdc/33 A output Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10 uF tantalum cap at output, Ta=25 deg C.
Transient Response Waveforms
Vout= 12 V 50%-75% Load Transients
Vout= 12 V 75%-50% Load Transients
Note: Transients at di/dt=0.1 A/us, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output, Ta=25 °C.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input Sep. 03, 2010 12 Vdc / 33 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Mechanical Outline
Pin Connections
pin# 1 2 3 4 5 function Vin (+) ON/OFF Vin (-) Vout (-) Vout (+) pin size 0.04" 0.04" 0.04" 0.06" 0.06"
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input Sep. 03, 2010 12 Vdc / 33 A Output
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Revision History
Date 2010-01-21 2010-04-21 2010-04-23 Revision C D E Changes Detail Add recommended Reflow Profile. 1. Update load/line regulation; 2. update mechanical outline(pin header standoff height) 1. Remove the word “this product can pass through a paste in hole reflow process” from “Description”. 2. Remove the page of Reflow Profile 1. Update turn-on/turn-off voltage threshold in input specifications; 2. Update ripple and noise (pk-pk) and transient response in output specifications; 3. Update over voltage protection and MTBF in general specifications; 4. Update TD, NR, TR and mechanical outline. Approval XF Jiang XF Jiang XF Jiang
2010-09-03
F
XF Jiang
RoHS Compliance
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products.
©2010 Bel Fuse Inc. Specifications subject to change without notice. 090310
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
