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0RXU-75TD10G

型号：

0RXU-75TD10G

品牌：

BEL[ BEL FUSE INC. ]

页数：

8 页

PDF大小：

292 K

下载PDF手册
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input  
+12 Vdc/5 A, -12 Vdc/1.5 A Dual Outputs  
0RXU-75TD10  
RoHS Compliant  
•
•
•
•
•
Isolated  
•
•
•
•
•
Low Cost  
Fixed Frequency (300 kHz)  
High Efficiency  
SCP/OCP  
Remote On/Off  
High Power Density  
Input Under- Voltage Lockout  
(UVLO)  
Output Voltage Trim  
Output Over-Voltage  
Protection (OVP)  
Over Temperature Protection  
•
UL60950 Recognized  
(UL/cUL) and CE Mark  
•
Description  
The 0RXU-75TD10 is an isolated dc/dc converter that operates from a nominal 48 Vdc source. It provides up to  
78 W of output power with two output voltages. Features include remote on/off, output adjust, short circuit  
protection, over current protection, over-temperature shutdown, output over voltage protection, and input under  
voltage lockout. This converter is provided in a compact, though-hole package that is easy to use and provides  
good thermal performance.  
Part Selection  
Output Voltage  
Input Voltage  
Max. Output  
Current  
Max. Output  
Power  
Typical  
Efficiency  
Model Number  
+12 Vdc/-12 Vdc  
36 Vdc - 75 Vdc  
5 A/1.5 A  
78 W  
90%  
0RXU-75TD10  
Note: Add “G” suffix at the end of the model number listed above to indicate Tray Packaging.  
Absolute Maximum Ratings  
Parameter  
Min  
Typ  
Max  
Notes  
Input Voltage  
-0.3 V  
-
100 V  
100 V for 10 mS Max.  
Remote On/Off  
-0.3 V  
-40 °C  
-40 °C  
-
-
-
30 V  
85 °C  
125 °C  
Ambient Temperature  
Storage Temperature  
Input Specifications  
Parameter  
Min  
Typ  
Max  
Notes  
Input Voltage  
36 V  
-
75 V  
200 mA  
3 A  
Input Current (no load)  
Input Current (full load)  
Remote Off Input Current  
-
-
-
-
-
10 mA  
20 mA  
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 200k Hz  
Input Reflected Ripple Current (rms)  
-
-
10 mA  
50 mA  
30 mA  
Input Reflected Ripple Current (pk-pk)  
100 mA  
Turn On Voltage Threshold  
Turn Off Voltage Threshold  
32 V  
30 V  
34 V  
31 V  
35 V  
33 V  
Note: 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  
36 Vdc - 75 Vdc Input  
+12 Vdc/5 A, -12 Vdc/1.5 A Dual Outputs  
Output Specifications  
Parameter  
Min  
Typ  
Max  
Notes  
Output Voltage Set Point  
VO1=+12 V  
VO2=-12 V  
+11.76 V  
-11.86 V  
+12 V  
-12.1 V  
+12.24 V  
-12.34 V  
Vin=48 V, lo=50% load  
Load Regulation  
Line Regulation  
VO1=+12 V  
VO2=-12 V  
-
-
-
-
2% VO  
4% VO  
ΔIo1=50% Imax1; Io2=50% Imax2  
ΔIo2=50% Imax2; Io1=50% Imax1  
VO1=+12 V  
VO2=-12 V  
-
-
-
-
1% VO  
1% VO  
Io1=50% Imax1; Io2=50% Imax2  
Regulation Over Temperature  
-
-
0.02% /°C (-40 °C to +85 °C)  
Output Current  
VO1=+12 V  
VO2=-12 V  
0.06 A  
0.06 A  
-
-
5 A  
1.5 A  
Output Current Limit  
VO1=+12 V  
VO2=-12 V  
6 A  
1.8 A  
-
-
7.5 A  
2.25 A  
Hiccup Mode  
Hiccup Mode  
Short Circuit Protection  
Startup Time  
-
-
-
Power Up  
Remote On/Off  
-
-
10 mS  
7 mS  
20 mS  
20 mS  
Overshoot at Turn On  
Ripple and Noise (rms)  
-
-
5%  
VO1=+12 V  
VO2=-12 V  
-
-
25 mV  
10 mV  
50 mV  
50 mV  
Test conditions:  
0-20 MHz Bandwidth, with a 1 uF  
ceramic capacitor at the output.  
Ripple and Noise (pk-pk)  
VO1=+12 V  
VO2=-12 V  
-
-
75 mV  
40 mV  
150 mV  
150 mV  
Output Capacitance  
0 uF  
-
1,000 uF  
For both VO1 and VO2  
Transient Response  
-
-
-
-
-
-
-
-
Overshoot  
Settling Time  
300 mV  
600 mV  
50% ~ 75%  
Max Load  
150 uS  
300 mV  
150 uS  
300 mV  
150 uS  
300 mV  
150 uS  
300 uS  
600 mV  
300 uS  
600 mV  
300 uS  
600 mV  
300 uS  
VO1=+12 V  
Overshoot  
Settling Time  
Overshoot  
75% ~ 50%  
Max Load  
Test conditions:  
di/dt=0.5 A/us, Vin=48 V  
50% ~ 75%  
Max Load  
Settling Time  
Overshoot  
VO2=-12 V  
75% ~ 50%  
Max Load  
Settling Time  
Note: 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  
36 Vdc - 75 Vdc Input  
+12 Vdc/5 A, -12 Vdc/1.5 A Dual Outputs  
General Specifications  
Parameter  
Min  
Typ  
Max  
Notes  
Vin = 48 V; Full Load  
Efficiency  
84%  
90%  
-
Switching Frequency  
I/O Isolation Voltage  
Isolation Capacitance  
270k Hz  
300k Hz  
1500 V  
1500 pF  
-
330k Hz  
-
-
-
-
Output Trim Range  
90%  
110%  
Output Over Voltage Protection  
VO1=+12 V  
VO2=-12 V  
+13.5 V  
-13.5 V  
+15 V  
-15 V  
+17 V  
-17 V  
Hiccup Mode  
Hiccup Mode  
Over-temperature  
-
-
130 °C  
Calculated Per Bell Core SR-332 (IO =  
80% Imax; TA = 25 °C)  
MTBF  
2,366,749 hours  
Dimensions  
Inches (L × W × H)  
2.28 x 2.4 x 0.48  
Millimeters (L × W × H)  
57.9 x 61.0 x 12.09  
Weight  
-
45 g  
-
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.  
Control Specifications  
Parameter  
Min  
Typ  
Max  
Notes  
Remote On/Off  
Signal Low (Unit On)  
Signal High (Unit Off)  
-0.3 V  
3.5 V  
-
-
1.8 V  
12 V  
Active Low; Remote On/Off pin open, Unit off.  
Output Trim Equations  
Equations for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) and the nominal  
output voltage of the converter (Vnom) are shown below. The Trim Down resistor should be connected between  
the Trim pin and Vo1. The Trim Up resistor should be connected between the Trim pin and COM. Only one of  
the resistors should be used for any given application.  
Vout1  
99.86  
Rtrim_down  
=
− 20.5  
Rtrim_down  
Vnom −Vadj  
ModuleTrim  
COM  
26.25  
Rtrim_up  
=
−10  
Vout1  
Vadj −Vnom  
ModuleTrim  
Rtrim_up  
COM  
Note: Output voltage Vo=12.012 V  
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  
36 Vdc - 75 Vdc Input  
+12 Vdc/5 A, -12 Vdc/1.5 A Dual Outputs  
Efficiency Data  
0RXU-75TD10 module  
0.950  
0.900  
0.850  
0.800  
0.750  
0.700  
0.650  
0.600  
Vin=36V  
Vin=48V  
Vin=75V  
10%load 25%load 50%load 75%load 100%load  
Output Current  
Thermal Derating Curve (Vin=48 V)  
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  
36 Vdc - 75 Vdc Input  
+12 Vdc/5 A, -12 Vdc/1.5 A Dual Outputs  
Ripple and Noise Waveforms  
Ripple and noise at full load, 36 V input, ch1 (+)12 V/5 A output, (-)12 V/1.5 A  
Ripple and noise at full load, 48 V input, ch1 (+)12 V/5 A output, (-)12 V/1.5 A  
Ripple and noise at full load, 75 V input, ch1 (+)12 V/5 A output, (-)12 V/1.5 A  
Note: With a 1uF ceramic capacitor at the output, 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  
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input  
+12 Vdc/5 A, -12 Vdc/1.5 A Dual Outputs  
Transient Response Waveforms  
Vout=(+)12 V 50%-75% Load Transients at Vin=36 V  
Vout=(+12) V 75%-50% Load Transients at Vin=36 V  
Vout=(-)12 V 50% - 75% Load Transients at Vin=36 V Vout=(-)12 V 75% -50% Load Transients at Vin=36 V  
Vout=(+)12 V 50%-75% Load Transients at Vin=48 V Vout=(+12) V 75%-50% Load Transients at Vin=48 V  
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  
36 Vdc - 75 Vdc Input  
+12 Vdc/5 A, -12 Vdc/1.5 A Dual Outputs  
Transient Response Waveforms (continued)  
Vout=(-)12 V 50% - 75% Load Transients at Vin=48 V  
Vout=(-)12 V 75% -50% Load Transients at Vin=48 V  
Vout=(+)12 V 50%-75% Load Transients at Vin=75 V  
Vout=(+12) V 75%-50% Load Transients at Vin=75 V  
Vout=(-)12 V 50% - 75% Load Transients at Vin=75 V  
Vout=(-)12 V 75% -50% Load Transients at Vin=75 V  
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  
36 Vdc - 75 Vdc Input  
+12 Vdc/5 A, -12 Vdc/1.5 A Dual Outputs  
Mechanical Outline  
Pin Connections  
Pin  
Function  
Pin  
6
Function  
COM  
1
-Vin  
2
FG  
7
Trim  
3
REM  
8
COM  
4
+Vin  
9
-Vo1 (-12 V)  
No Connection  
5
+Vo1 (+12 V)  
10  
RoHS Compliance  
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and  
other hazardous substances from electronic products.  
©2006 Bel Fuse Inc. Specifications subject to change without notice. 032806  
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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