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0RQB-Q2T09

型号：

0RQB-Q2T09

描述：

隔离式DC / DC转换器[ ISOLATED DC/DC CONVERTER ]

品牌：

BEL[ BEL FUSE INC. ]

页数：

15 页

PDF大小：

1489 K

下载PDF手册
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
0RQB-Q2T09x  
Features  
RoHS Compliant  
Rev.F  
Isolated  
Output Over-Voltage Protection  
Over Temperature Protection  
High Efficiency  
High Power Density  
Fixed Frequency (300 kHz)  
Low Cost  
OCP/SCP  
Remote On/Off  
Basic Insulation  
Baseplate  
Input Under-Voltage Lockout  
Input Over-Voltage Lockout  
Class 1, Category 2, Isolated DC/DC Converter (refer to IPC-9592)  
UL60950-1 2nd Edition Recognized (UL/cUL)  
Applications  
Networking  
Computers and peripherals  
Telecommunications  
Description  
The 0RQB-Q2T09x is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will  
provide up to 385 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 overvoltage protection. The converter is  
provided in an industry standard quarter brick package.  
Part Selection  
Output  
Input Voltage  
Max. Output  
Current  
Max. Output  
Power  
Typical  
Efficiency  
Model Number  
Active High  
Model Number  
Active Low  
Voltage  
9.6 Vdc  
36 Vdc - 75 Vdc  
40 A  
385 W  
95%  
0RQB-Q2T096  
0RQB-Q2T09L  
Note: Add “G” suffix at the end of the model number to indicate Tray Packaging.  
Part Number Explanation  
0 R QB – Q2 T 09 x  
1 2  
3
4
5
6 7  
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 (9.6V)  
7---Option, “x” of the model part number to be 0-9, A-Z, which will represent the special request of  
customer.  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Absolute Maximum Ratings  
Unit  
V
Parameter  
Min  
-0.3  
-
Typ  
Max  
75  
Notes  
Continuous Input Voltage  
Input Transient Voltage  
Remote On/Off  
-
-
-
-
-
-
100  
18  
V
100 mS maximum  
-0.3  
-
V
I/O Isolation Voltage  
Ambient Temperature  
Storage Temperature  
1500  
85  
V
-40  
-55  
C  
C  
125  
Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may  
permanently damage the device.  
Input Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Operating Input Voltage  
36  
48  
75  
V
Input Current (full load)  
Input Current (no load)  
Remote Off Input Current  
-
-
-
-
15  
180  
20  
A
120  
10  
mA  
mA  
Tested with simulated source  
impedance of 12uH, 5Hz to 20MHz;  
use a 100uF/100 V electrolytic  
capacitor with ESR=1ohm max, at 200  
kHz at 25C.  
Input Reflected Ripple Current  
(rms)  
-
-
5
-
-
mA  
Input Reflected Ripple Current  
(pk-pk)  
20  
mA  
I2t Inrush Current Transient  
Turn-on Voltage Threshold  
Turn-off Voltage Threshold  
-
-
1
A2s  
V
34  
32  
35  
34  
36  
34.8  
V
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 20A on system board. Refer to the fuse  
manufacture’s datasheet for further information.  
Notes: 1. This converter has internal C-L-C (0.94uF-1uH-7.8uF) filter.  
2. All specifications are typical at 25 C unless otherwise stated.  
Output Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Output Voltage Set Point  
9.43  
9.63  
9.82  
V
Vin=48V, Io=50% load  
Load Regulation  
-
-
-
0.2  
0.5  
0.5  
0.5  
1
%Vo Vin=48V, Io=Io,min to Io,max  
%Vo Vin=36V~75V, Io=50% load  
%Vo -40deg.C-85deg.C  
Line Regulation  
Regulation Over Temperature  
1
Including set point, load/line/temperature  
regulation  
Total Regulation  
-
-
2
%Vo  
Ripple and Noise (pk-pk)  
Ripple and Noise (rms)  
-
-
-
-
150  
60  
mV  
5 Hz-20 MHz bandwidth, Vin=48V  
mV  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Output Specifications (continued)  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Output Current Range  
0
-
40  
A
Output DC Current Limit  
Short Circuit Surge Transient  
Rise time  
42  
-
48  
-
54  
A
A2s  
ms  
mS  
mS  
%
5
-
20  
60  
40  
0
-
-
Enable from Vin  
Turn on Time  
-
-
-
-
Enable from ON/OFF  
Overshoot at Turn on  
Output Capacitance  
Back Bias Start-up  
0
-
-
20000  
90  
uF  
-
%Vo  
-
-
-
-
2
A
50% of nominal output voltage  
Back Drive Current Limit  
50  
mA  
Transient Response  
Overshoot  
-
-
-
-
400  
0.5  
600  
mV  
mS  
mV  
mS  
△V50%~75% of  
Max Load  
di/dt=0.1A/us, Vin=48Vdc, Ta=25°C,  
with a 1µF ceramic capacitor and a  
10uF Tantalum cap at the output.  
Settling Time  
Overshoot  
-
600  
-
400  
0.5  
△V75%~50% of  
Max Load  
Settling Time  
Note: All specifications are typical at nominal input, full load at 25°C unless otherwise stated.  
General Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Vin=48V, full load  
Efficiency  
-
95  
-
%
Switching Frequency  
-
-
300  
125  
-
-
kHz  
Over Temperature Protection  
C  
This voltage is achieved by trimming  
up output slowly  
Over Voltage Protection(Static)  
Weight  
11.2  
-
-
11.8  
100  
V
g
75  
Calculated Per Bell Core SR-332  
(Vin=48V, Vo=9.6V, Io=40A, Ta = 25  
C, FIT=109/MTBF)  
FIT  
357  
-
-
Dimensions  
Inches (L × W × H)  
Millimeters (L × W × H)  
2.30 x 1.45 x 0.67  
58.42 x 36.83 x 17.00  
Isolation characteristics  
Input to Output  
-
10M  
-
-
-
1500  
V
Isolation Resistance  
Isolation Capacitance  
ohm  
pF  
2200  
-
Notes: 1. It is important to maintain symmetric layout of all converters' input and output power traces to achieve  
good current sharing. Oring diodes or Mosfets may be needed in parallel operation.  
2. 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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Efficiency Data  
98.00%  
96.00%  
94.00%  
92.00%  
90.00%  
88.00%  
86.00%  
84.00%  
82.00%  
80.00%  
36 V  
48 V  
75 V  
4.00  
10.00  
20.00  
30.00  
40.00  
OUTPUT CURRENT(A)  
Thermal Derating Curve  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Thermal Derating Curve (continued)  
Vin=48V  
Vin=36V  
Vin=75V  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Ripple and Noise Waveform  
48Vdc input, 9.6Vdc/40A output  
Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10uF Tantalum cap at output, and Ta=25 deg C.  
Transient Response Waveforms  
Vout=9.6V, 50% to 75% Load Transients  
Vout=9.6V, 75% to 50% Load Transients  
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  
6
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Startup & Shutdown  
Rise Time  
Test Condition: Vin=48V, Io=40A  
Startup time  
Startup from Vin  
Ch1: Vo  
Startup from on/off  
Ch1: Vo  
Ch3: Vin  
Ch3: on/off  
Test Condition: Vin=48V, Io=40A  
Test Condition: Vin=48V, Io=40A  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Startup & Shutdown (continued)  
Shutdown  
Test Condition: Vin=48V, Io=40A  
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 400mS. The module operates  
normally when the output current goes into specified range. The typical average output current is 5A during  
hiccup.  
Test condition: Vin=48V  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Over Temperature Protection  
The OTP is achieved by thermistor R25 over the threshold is set at 125C in non-latch mode; the hottest  
component Q13 reaches 130C with 100LFM air flow correspondingly (In fact, the hottest component H1 reaches  
100C 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...).  
The hottest component on the top side: Q13  
The thermistor on the bottom side: R25  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Remote On/Off  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Signal Low (Unit On)  
Signal High (Unit Off)  
Signal Low (Unit Off)  
Signal High (Unit On)  
Current Sink  
-0.3  
-
0.8  
V
0RQB-Q2T09L. The remote on/off pin  
open, Unit off.  
Active Low  
Active High  
2.4  
-0.3  
2.4  
0
-
-
-
-
18  
0.8  
18  
1
V
V
0RQB-Q2T096. The remote on/off pin  
open, Unit on.  
V
mA  
Recommended remote on/off circuit for active low  
Vin+  
On/off  
Vin-  
Vin+  
On/off  
Vin-  
Control with open collector/drain circuit  
Control with photocoupler circuit  
Vin+  
Vin+  
Vcc  
On/off  
Vin-  
On/off  
Vin-  
Control with logic circuit  
Permanently on  
Recommended remote on/off circuit for active high  
Vin+  
Vin+  
On/off  
Vin-  
On/off  
Vin-  
Control with open collector/drain circuit  
Control with photocoupler circuit  
Vin+  
Vin+  
Vcc  
On/off  
Vin-  
On/off  
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  
10  
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Input Under-voltage Lockout  
Under-voltage Lockout  
Voltage Falling  
Voltage Rising  
V1=34V  
V2=35V  
Input Voltage (V)  
V1  
V2  
Fundamental Circuit Diagram  
Vin+  
T
VOUT+  
VOUT-  
Driver  
Vin-  
Driver  
Rsense  
Enable  
PWM  
Controller  
Isolated  
IC  
Feedback  
Diode  
Inductor  
Capacitor  
Resistor  
MOSFET  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Safety & EMC  
Safety  
1. Material flammability UL94V-0  
2. TUV Certification  
3. UL Certification  
EN60950-1  
UL60950-1  
EMC  
1. Surge  
2. DC-DIP  
3. Conductive EMI  
IEC61000-4-5  
IEC61000-4-29  
EN55022 class A  
Compliance to EN55022 class A (both q.peak and average) with the following inductive and capacitive filter  
Setup:  
Figure -Recommended Filter  
C1 = C2 = C3 = 68uF/100 V (1AB012230187)  
C4=C5=1nF  
T1 = 180uH common mode choke type T50277 Falco  
T2 = T3 = 0.68uH Shielded power inductor type SRP7030-R68FM Bourns  
Negative  
Positive  
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 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
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  
13  
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Mechanical Outline  
Pin Define  
pin# function pin size  
1
2
3
4
5
Vin (+)  
On/Off  
Vin(-)  
0.04"  
0.04"  
0.04"  
0.06"  
0.06"  
Vo (-)  
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 ºC 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  
14  
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 9.6 Vdc /40 A Output, 1/4 Brick  
Jun. 02, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Revision History  
Date  
Revision  
Changes Detail  
Approval  
2010-04-14  
PA  
First release.  
XF Jiang  
1. Delete part number 0RQB-Q2T09A/B.  
2010-04-28  
PB  
2. Add back bias start, back drive current limit.  
3. Delete TD, update mechanical outline(heatsink, pin).  
XF Jiang  
1. Updated No load input current in Input specifications, Output  
voltage regulation, Output DC current limit, Transient response in  
Output specifications, Over temperature protection in General  
specifications, OCP, OTP, Efficiency data, MD.  
2010-11-23  
2011-02-24  
C
D
XF Jiang  
XF Jiang  
2. Add TD, NR, TR, startup & shutdown, safety & EMC and Layout.  
Updated TD.  
1. Updated turn off voltage threshold in input specifications.  
2. Updated output voltage setpoint, output current limit and transient  
response in output specifications.  
2011-04-29  
2011-06-02  
E
F
XF Jiang  
XF Jiang  
3. Updated FIT and weight in general specifications.  
4. Updated UVLO and TD.  
Delete pending of UL60950-1 2nd Edition Recognized (UL/cUL) in the  
first page.  
RoHS Compliance  
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and  
other hazardous substances from electronic products.  
2011 Bel Fuse Inc. Specifications subject to change without notice. 060211  
15  
CORPORATE  
FAR EAST  
EUROPE  
Bel Fuse Inc.  
Bel Fuse Ltd.  
Bel Fuse Europe Ltd.  
206 Van Vorst Street  
Jersey City, NJ 07302  
Tel 201-432-0463  
Fax 201-432-9542  
www.belfuse.com  
8F/ 8 Luk Hop Street  
San Po Kong  
Kowloon, Hong Kong  
Tel 852-2328-5515  
Fax 852-2352-3706  
www.belfuse.com  
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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