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0RHB-C5T050G

型号：

0RHB-C5T050G

品牌：

BEL[ BEL FUSE INC. ]

页数：

8 页

PDF大小：

312 K

下载PDF手册
ISOLATED DC/DC CONVERTERS  
48 Vdc Input  
3.3 Vdc/50 A, 5.0 Vdc/30 A Output  
Apr. 13, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
0RHB-C5T Series  
Features  
RoHS Compliant  
Rev.B  
Output Over Voltage Shutdown  
Over Temperature Protection  
OCP/SCP  
Isolated  
High Efficiency  
High Power Density  
Fixed Frequency (300 kHz)  
Low Cost  
Remote On/Off  
Output Voltage Trim  
Input Under-Voltage Lockout  
Input Over-Voltage Lockout  
UL60950-1 Recognized (UL/cUL)  
Positive/Negative Remote Sense  
Applications  
Networking  
Computers and peripherals  
Telecommunications  
Description  
The 0RHB-C5T Series are isolated dc/dc converters that operate from a nominal 48 Vdc source. This unit will  
provide up to 165 W of output power from a nominal 48 Vdc 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  
Voltage  
Max. Output  
Current  
Max. Output  
Power  
Typical  
Efficiency  
Model Number  
Active High  
Model Number  
Active Low  
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  
Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging.  
Part Number Explanation  
0 R HB – C5 T xx x  
1
2
3
4
5
6 7  
1---Through hole  
2---RoHS 6, change “R” to “7” means RoHS 5  
3---Series name, 1/2 Brick  
4---Series code  
5---Input range 48V wide (36-75V)  
6---Output voltage  
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  
48 Vdc Input  
3.3 Vdc/50 A, 5.0 Vdc/30 A Output  
Apr. 13, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Absolute Maximum Ratings  
Unit  
Parameter  
Min  
-0.3  
-0.3  
-
Typ  
Max  
80  
Notes  
Input Voltage (continuous)  
Remote On/Off  
-
-
-
-
-
V
V
18  
I/O Isolation Voltage  
Ambient Temperature  
Storage Temperature  
2000  
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  
Input Voltage  
36  
48  
75  
V
Input Current (full load)  
Input Current (no load)  
Vo=5.0 V  
Vo=3.3 V  
-
-
-
-
5.0  
5.2  
A
A
-
-
120  
5
180  
20  
mA  
mA  
Remote Off Input Current  
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  
5
40  
10  
mA  
Input Reflected Ripple Current  
(rms)  
mA  
I2t Inrush Current Transient  
Turn-on Voltage Threshold  
Turn-off Voltage Threshold  
Input Over Voltage Threshold  
-
0.05  
0.1  
35  
33  
80  
A2s  
V
31  
29  
76  
-
-
-
V
V
Note: All specifications are typical at 25 C unless otherwise stated.  
Output Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Output Voltage Set Point  
Vo=5.0 V  
Vo=3.3 V  
4.925  
3.250  
5.000  
3.300  
5.075  
3.350  
V
V
Vin=48V, Io=50% load  
Line Regulation  
Load Regulation  
Vo=5.0 V  
Vo=3.3 V  
-
-
5  
3  
10  
7  
mV  
mV  
Vo=5.0 V  
Vo=3.3 V  
-
-
10  
7  
20  
15  
mV  
mV  
Regulation Over Temperature  
(-40 C to +85 C)  
-
-
45  
30  
75  
50  
mV  
mV  
Vo=5.0 V  
Vo=3.3 V  
Output Current  
Vo=5.0 V  
Vo=3.3 V  
0
0
-
-
30  
50  
A
A
Current Limit Threshold  
Vo=5.0 V  
Vo=3.3 V  
32  
55  
38  
65  
45  
75  
A
A
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  
48 Vdc Input  
3.3 Vdc/50 A, 5.0 Vdc/30 A Output  
Apr. 13, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Output Specifications (continued)  
Parameter  
Short Circuit Surge Transient  
Ripple and Noise (rms)  
Min  
Typ  
Max  
Unit  
A2s  
Notes  
-
3
5
Vo=5.0 V  
Vo=3.3 V  
-
-
25  
15  
50  
30  
mV  
mV  
Test conditions:  
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  
55  
140  
100  
mV  
mV  
Turn on Time  
-
-
15  
0
20  
5
mS  
%
Overshoot at Turn on  
Output Capacitance  
Vo=5.0 V  
Vo=3.3 V  
0
0
-
-
10000  
20000  
uF  
uF  
Transient Response  
Overshoot  
Settling Time  
Overshoot  
-
-
-
-
-
-
-
-
250  
250  
250  
250  
100  
200  
100  
200  
400  
mV  
uS  
75% ~ 50%  
Max Load  
400  
400  
400  
200  
300  
200  
300  
Vo=5.0 V  
mV  
uS  
50% ~ 75%  
Max Load  
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.  
Settling Time  
Overshoot  
mV  
mS  
mV  
mS  
75% ~ 50%  
Max Load  
Settling Time  
Overshoot  
Vo=3.3 V  
50% ~ 75%  
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  
Vo=5.0 V  
Vo=3.3 V  
90  
90  
93.0  
92.5  
-
-
%
%
Switching Frequency  
Isolation capacitance  
300  
330  
1500  
-
360  
kHz  
pF  
-
80  
-
-
Output Voltage Trim Range  
Over Temperature Protection  
Over Voltage Protection 1  
Input to Output Isolation Voltage 2  
Weight  
110  
% Vo  
120  
130  
-
-
C  
% Vo  
V
-
-
2000  
-
-
-
76  
g
Calculated Per Bell Core SR-332 (IO  
= Nominal; Ta = 25 C)  
MTBF  
1,113,071  
Hours  
Dimensions  
Inches (L × W × H)  
2.28 x 2.4 x 0.42  
-
Millimeters (L × W × H)  
57.51 x 60.98 x 10.67  
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.  
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  
48 Vdc Input  
3.3 Vdc/50 A, 5.0 Vdc/30 A Output  
Apr. 13, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Control Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Remote On/Off  
Signal Low (Unit On)  
-0.3  
2.4  
-
-
-
-
0.8  
18  
V
V
V
V
The remote on/off pin open,  
Unit off.  
Active Low  
Active High  
Signal High (Unit Off)  
Signal Low (Unit Off)  
Signal High (Unit On)  
-0.3  
2.4  
0.8  
18  
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.  
Vout  
100  
Module  
Trim  
GND  
Rtrimdown  
2
k  
Rtrimdown  
Rtrimup  
delta  
(100 delta)Vo 122.5  
1.225delta  
Vout  
Trim  
GND  
Rtrimup   
2
k  
Module  
Notes:  
Vo _ req Vo  
delta   
100
%
  
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.  
Efficiency Data  
Efficiency Curve  
Efficiency Curve  
94%  
94%  
90%  
86%  
82%  
78%  
74%  
70%  
90%  
86%  
36 V  
48 V  
75 V  
82%  
78%  
74%  
70%  
36 V  
48 V  
75 V  
5
10 15 20 25 30 35 40 45 50  
Output Current (A)  
5
10  
15  
20  
25  
30  
Output Current (A)  
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  
4
ISOLATED DC/DC CONVERTERS  
48 Vdc Input  
3.3 Vdc/50 A, 5.0 Vdc/30 A Output  
Apr. 13, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Thermal Derating Curves  
0RHB-C5T03x  
0RHB-C5T05x  
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.  
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  
48 Vdc Input  
3.3 Vdc/50 A, 5.0 Vdc/30 A Output  
Apr. 13, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
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  
6
ISOLATED DC/DC CONVERTERS  
48 Vdc Input  
3.3 Vdc/50 A, 5.0 Vdc/30 A Output  
Apr. 13, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
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"  
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  
7
ISOLATED DC/DC CONVERTERS  
48 Vdc Input  
3.3 Vdc/50 A, 5.0 Vdc/30 A Output  
Apr. 13, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Revision History  
Date  
Revision  
Changes Detail  
Approval  
2010-04-13  
B
Updated MTBF.  
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.  
2011 Bel Fuse Inc. Specifications subject to change without notice. 041311  
8
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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