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0RHB-C5T

型号：

0RHB-C5T

描述：

隔离式DC / DC转换器， 48 V输入3.3 V / 50 A， 5.0 V / 30 A输出[ ISOLATED DC/DC CONVERTERS 48 V Input 3.3 V/50 A, 5.0 V/30 A Output ]

品牌：

BEL[ BEL FUSE INC. ]

页数：

6 页

PDF大小：

255 K

下载PDF手册
ISOLATED DC/DC CONVERTERS  
48 V Input  
3.3 V/50 A, 5.0 V/30 A Output  
0RHB-C5T Series  
RoHS Compliant  
PRELIMINARY  
•
•
•
•
•
•
•
Isolated  
•
•
•
•
•
•
Output Over Voltage Shutdown  
OCP/SCP  
High Efficiency  
High Power Density  
Low Cost  
Over Temperature Protection  
Remote On/Off  
Fixed Frequency (330 kHz)  
Input Under/Over Voltage Lockout  
UL60950 Recognized (UL/cUL)  
Output Voltage Trim  
Positive/Negative Remote Sense  
Description  
The 0RHB-C5T Series are isolated dc/dc converters that operate from a nominal 48 V source. This unit will  
provide up to 165 W of output power from a nominal 48 V input. This unit is designed to be highly efficient and  
low cost. It is provided in an industry standard half-brick package.  
Part Selection  
Output  
Input  
Max. Output  
Current  
Max. Output  
Power  
Typical  
Efficiency  
Model Number  
Active High  
Model Number  
Active Low  
Voltage  
Voltage  
5.0 V  
3.3 V  
48 V  
48 V  
30 A  
50 A  
150 W  
165 W  
93.0%  
92.5%  
0RHB-C5T050  
0RHB-C5T033  
0RHB-C5T05L  
0RHB-C5T03L  
Note: Add “G” suffix at the end of the model number to indicate Tray Packaging.  
Absolute Maximum Ratings  
Parameter  
Input Voltage (continuous)  
Remote On/Off  
Min  
-0.3 V  
-0.3 V  
-
-40 °C  
-55 °C  
Typ  
Max  
80 V  
18 V  
2000 V  
85 °C  
125 °C  
Notes  
-
-
-
-
-
I/O Isolation Voltage  
Ambient Temperature  
Storage Temperature  
Input Specifications  
Parameter  
Min  
Typ  
Max  
Notes  
Input Voltage  
36V  
48 V  
75 V  
Input Current (full load)  
Vo=5.0 V  
Vo=3.3 V  
-
-
-
-
-
5.0 A  
5.2 A  
180 mA  
20 mA  
Input Current (no load)  
Remote Off Input Current  
120 mA  
5 mA  
Tested 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 at 25 °C.  
Input Reflected Ripple Current (pk-pk)  
-
20 mA  
40 mA  
Input Reflected Ripple Current (rms)  
I2t Inrush Current Transient  
-
-
5 mA  
10 mA  
0.05 A2s  
0.1 A2s  
Turn-on Voltage Threshold  
Turn-off Voltage Threshold  
Input Over Voltage Threshold  
31 V  
29 V  
76 V  
-
-
-
35 V  
33 V  
80 V  
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 V Input  
3.3 V/50 A, 5.0 V/30 A Output  
Output Specifications  
Parameter  
Min  
Typ  
Max  
Notes  
Output Voltage Set Point  
Vo=5.0 V  
Vo=3.3 V  
4.925 V  
3.250 V  
5.000 V  
3.300 V  
5.075 V  
3.350 V  
Vin=48 V, Io=50% load  
Line Regulation  
Load Regulation  
Vo=5.0 V  
Vo=3.3 V  
-
-
±5 mV  
±3 mV  
±10 mV  
±7 mV  
Vo=5.0 V  
Vo=3.3 V  
-
-
±10 mV  
±7 mV  
±20 mV  
±15 mV  
Regulation Over Temperature  
(-40 °C to +85 °C)  
-
-
±45 mV  
±30 mV  
±75 mV  
±50 mV  
Vo=5.0 V  
Vo=3.3 V  
Output Current  
Vo=5.0 V  
Vo=3.3 V  
0 A  
0 A  
-
-
30 A  
50 A  
Current Limit Threshold  
Vo=5.0 V  
Vo=3.3 V  
32 A  
55 A  
38 A  
65 A  
3 A2s  
45 A  
75 A  
5 A2s  
Short Circuit Surge Transient  
Ripple and Noise (rms)  
-
Test conditions:  
Vo=5.0 V  
Vo=3.3 V  
-
-
25 mV  
15 mV  
50 mV  
30 mV  
0-20MHz BW, with a  
1uF ceramic capacitor  
and a 10uF Tantalum  
capacitor at the output.  
Ripple and Noise (pk-pk)  
Vo=5.0 V  
Vo=3.3 V  
-
-
70 mV  
55 mV  
140 mV  
100 mV  
Turn on Time  
-
-
15 mS  
0%  
20 mS  
5%  
Overshoot at Turn on  
Output Capacitance  
Vo=5.0 V  
Vo=3.3 V  
0 uF  
0 uF  
-
-
10000 uF  
20000 uF  
Transient Response  
-
-
-
-
-
-
-
-
Overshoot  
250 mV  
250 uS  
250 mV  
250 uS  
100 mV  
200 uS  
100 mV  
200 uS  
400 mV  
400 uS  
400 mV  
400 uS  
200 mV  
300 uS  
200 mV  
300 uS  
75% ~ 50%  
Max Load  
Settling Time  
Vo=5.0 V  
Test conditions: di/dt =  
0.1 A/uS, Vin=48 V with  
a 1 uF ceramic  
capacitor and a 10 uF  
Tantalum capacitor at  
the output.  
Overshoot  
50% ~ 75%  
Max Load  
Settling Time  
Overshoot  
75% ~ 50%  
Max Load  
Settling Time  
Vo=3.3 V  
Overshoot  
50% ~ 75%  
Max Load  
Settling Time  
Note: All specifications are typical at nominal input, full load at 25 °C unless noted.  
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 V Input  
3.3 V/50 A, 5.0 V/30 A Output  
General Specifications  
Parameter  
Min  
Typ  
Max  
Notes  
Efficiency  
Vo=5.0 V  
Vo=3.3 V  
90%  
90%  
93.0%  
92.5%  
-
-
Vin=48V, full load , Ta=25°C  
Switching Frequency  
Isolation capacitance  
300 kHz  
330 kHz  
1500 pF  
360 kHz  
-
-
Output Voltage Trim Range  
Over Temperature Protection  
Over Voltage Protection 1  
80% Vo  
-
120 °C  
130% Vo  
-
110% Vo  
-
-
-
-
-
Input to Output Isolation Voltage 2  
2000 V  
Calculated Per Bell Core SR-332 (IO =  
Nominal; Ta = 25 °C)  
MTBF  
TBD  
Dimensions  
Inches  
2.28 x 2.4 x 0.42  
millimeters  
57.51 x 60.98 x 10.67  
Weight  
-
76 g  
-
Notes: All specifications are typical at 25 °C unless otherwise stated.  
1. OVP is tested under 48 Vin and full load with photo coupler short. The output will be latched off if the  
output voltage exceeds over voltage specification. To turn the converter on requires either cycling  
the ON/OFF pin or power to the converter.  
2. Isolation between input and output is basic isolation, test duration is 60 seconds.  
Control Specifications  
Parameter  
Min  
Typ  
Max  
Notes  
Remote On/Off  
Signal Low (Unit On)  
Signal High (Unit Off)  
Signal Low (Unit Off)  
Signal High (Unit On)  
-0.3 V  
2.4 V  
-0.3 V  
2.4 V  
-
-
-
-
0.8 V  
18 V  
0.8 V  
18 V  
The remote on/off pin open, Unit  
off.  
Active Low  
Active High  
The remote on/off pin open, Unit  
on.  
Output Trim Equations  
Equations for calculating the trim resistor (in kΩ) are shown below. The Trim Down resistor should be connected  
between the Trim pin and Ground pin. The Trim Up resistor should be connected between the Trim pin and the  
Vout. Only one of the resistors should be used for any given application.  
100  
Rtrimdown =  
[
− 2 kΩ  
]
Vout  
Trim  
GND  
delta  
Module  
Module  
(100 + delta)⋅Vo −122.5  
1.225⋅delta  
Rtrimdown  
Rtrimup  
Rtrimup =  
− 2[kΩ  
]
Notes:  
Vout  
Trim  
GND  
(
Vo _ req −Vo  
)
×100  
delta =  
[%]  
Vo  
Vo_req=Desired(trimmed) output voltage[V]  
Output voltage Vo=3.304 V for 3.3 V; Vo=5.008 V for 5 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  
48 V Input  
3.3 V/50 A, 5.0 V/30 A Output  
Efficiency Data  
Efficiency Curve  
Efficiency Curve  
94%  
90%  
86%  
82%  
78%  
74%  
70%  
94%  
90%  
86%  
82%  
78%  
74%  
70%  
36 V  
36 V  
48 V  
75 V  
48 V  
75 V  
5
10 15 20 25 30 35 40 45 50  
5
10  
15  
20  
25  
30  
Output Current (A)  
Output Current (A)  
0RHB-C5T03x  
0RHB-C5T05x  
Thermal Derating Curves  
0RHB-C5T03x  
0RHB-C5T05x  
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 V Input  
3.3 V/50 A, 5.0 V/30 A Output  
Ripple and Noise Waveforms  
Ripple and noise at full load 3.3 V/50 A output  
Ripple and noise at full load 5.0 V/30 A output  
Note: Ripple and noise at 48 V input, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output  
and Ta=25 deg C,.  
Transient Response Waveforms  
Vout=3.3 V, 50% to 75% Load Transients  
Vout=3.3 V, 75% to 50% Load Transients  
Vout=5.0 V, 50% to 75% Load Transients  
Vout=5.0 V, 75% to 50% Load Transients  
Note: Transient Response is tested at di/dt=0.1 A/us (Vo=3.3 V), di/dt=0.5 A/us (Vo=5.0 V), Vin=48 V, Ta=25°C,  
with a 1 µF ceramic capacitor and a 10 µF tantalum capacitor at the output.  
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 V Input  
3.3 V/50 A, 5.0 V/30 A Output  
Mechanical Outline  
Pin Connections  
pin#  
function  
pin size  
0.04"  
pin#  
6
7
8
9
function  
N/A  
+Sense  
Trim  
-Sense  
N/A  
-Output  
pin size  
1
2
3
4
5
-Input  
N/A  
On/Off  
+Input  
+Output  
0.04"  
0.04"  
0.04"  
0.04"  
0.04"  
0.08"  
10  
11  
0.08"  
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. 032206  
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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