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0RCB-60T03C

型号：

0RCB-60T03C

描述：

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

品牌：

BEL[ BEL FUSE INC. ]

页数：

10 页

PDF大小：

220 K

下载PDF手册
ISOLATED DC/DC CONVERTERS  
48 Vdc Input 3.3 Vdc /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
0RCB-60T03C Rev.B  
Features  
RoHS Compliant  
File Rev.A  
•
•
•
•
•
•
•
•
•
Isolated  
•
•
•
•
•
•
•
Output Over-Voltage Shutdown  
OCP/SCP  
High Efficiency  
High Power Density  
Fixed Frequency (300 kHz)  
Low Cost  
Over Temperature Protection  
Remote On/Off  
Output Voltage Trim  
Positive/Negative Remote Sense  
Basic Insulation  
Input Under-Voltage Lockout  
Pre-Bias Start Up  
UL 60950-1, 2nd Edition  
CSA C22.2 , 2nd Edition  
Applications  
•
•
•
Networking  
Computers and peripherals  
Telecommunications  
Description  
The 0RCB-60T03C is isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will provide  
up to 49.5 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 under-voltage lockout. This converter is  
provided in an industry standard eighth brick package.  
Part Selection  
Output  
Input Voltage  
Max. Output  
Current  
Max. Output  
Power  
Typical  
Efficiency  
Model Number  
Active Low  
Voltage  
3.3 Vdc  
36 Vdc - 75 Vdc  
15 A  
49.5 W  
90%  
0RCB-60T03C  
Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging.  
Part Number Explanation  
0 R CB – 60 T 03 C  
1 2  
3
4
5 6  
7
1---Through hole  
2---RoHS 6, change “R” to “7” means RoHS 5  
3---Series name  
4---Series code  
5---Input range (36-75V)  
6---Output voltage 3.3V  
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 /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Absolute Maximum Ratings  
Parameter  
Unit  
Min  
-0.3  
-0.3  
-
Typ  
Max  
80  
Notes  
Input Voltage (continuous)  
Remote On/Off  
-
-
-
-
-
-
V
V
18  
I/O Isolation Voltage  
1500  
-
V
Input to Each Output Resistance  
Ambient Temperature  
10  
M ohm  
°C  
-40  
-55  
85  
Storage Temperature  
125  
°C  
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)  
-
-
-
-
1.8  
80  
A
mA  
Tested with simulated source  
impedance of 10 uH, 5 Hz to 20 MHz;  
use a 47 uF/100 V electrolytic  
capacitor with ESR = 1 ohm max. at  
200 kHz at 25 °C.  
Input Reflected Ripple Current  
(pk-pk)  
-
-
15  
mA  
Input Fuse (not internally)  
I2t Inrush Current Transient  
Turn-on Voltage Threshold  
Turn-off Voltage Threshold  
-
-
-
-
-
-
5.0  
0.1  
A
A2s  
V
32  
28.5  
35  
31.7  
V
Note: All specifications are typical at 25 °C unless otherwise stated.  
Output Specifications (continued)  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Over all line, load & temperature  
conditions.  
Output Voltage Range  
3.201  
3.3  
3.399  
V
Output Voltage Trim Range  
Output Over-Voltage Clamp Non-Latching  
Output Current  
2.97  
3.69  
-
-
-
-
-
-
3.63  
4.62  
15  
V
V
A
Current Limit Threshold  
15.2  
0
26  
A
External Admissible Capacitive Load  
10000  
uF  
Vin=72 V, max load on output, 20  
Ripple and Noise (pk-pk)  
-
-
130  
mV MHz BW, 10uF tantalum and 1uF  
ceramic capacitor.  
Turn on Time  
-
-
-
-
220  
15  
mS  
mS  
Rise Time  
Transient Response  
di/dt=0.1A/us, Vin=48Vdc,  
Ta=25°C, with a 1µF ceramic  
capacitor and a 10uF Tantalum  
cap at the output.cap at the  
output.  
Vpk-pk  
-
-
-
-
230  
200  
mV  
50% ~ 75% ~ 50%  
Max Load  
Settling Time  
uS  
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  
2
ISOLATED DC/DC CONVERTERS  
48 Vdc Input 3.3 Vdc /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
General Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Efficiency  
87  
90  
-
%
Measured with full load at all conditions.  
Switching Frequency  
Isolation capacitance  
270  
-
300  
330  
-
kHz  
pF  
3900  
The total voltage increased by trim and  
remote sense should not exceed 10%Vo.  
Remote Sense Compensation  
-
-
10  
%
Over Temperature Protection  
Weight  
-
-
125  
26  
-
-
°C  
g
Calculated Per Bell Core SR-332 (Vin=48  
V, Vo=3.3 V, Io=12 A, Ta = 25 °C)  
MTBF  
2,370,000  
hours  
-
Dimensions  
Inches (L × W × H)  
Millimeters (L × W × H)  
2.30 x 0.896 x 0.374  
58.42 x 22.76 x 9.50  
Note: All specifications are typical at 25 °C unless otherwise stated.  
Remote On/Off  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Signal Low (Unit On)  
-0.3  
-
0.8  
V
Active Low  
The remote on/off pin open, Unit off.  
Signal High (Unit Off)  
Current Sink  
2.4  
0
-
-
18  
1
V
mA  
Efficiency Data  
Efficient Curve  
92%  
90%  
88%  
86%  
84%  
82%  
80%  
78%  
76%  
74%  
72%  
70%  
38.4 V  
48 V  
60 V  
72 V  
5
10  
15  
Output Current (A)  
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 /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Output Trim Equations  
Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected  
between the Trim pin and Sense (-) pin. The Trim Up resistor should be connected between the Trim pin and the  
Sense (+). Only one of the resistors should be used for any given application.  
Sense(+)  
511  
Rtrimdown=  
−10.22  
[
kΩ  
]
Module  
Module  
delta  
Trim  
Rtrimdown  
Rtrimup  
Sense(-)  
(100 + delta)⋅Vo⋅5.11 511  
Rtrimup = (  
−
[
−10.22) kΩ  
]
1.225⋅delta  
delta  
Sense(+)  
Trim  
Note:  
(
)
Vo _ req −Vo  
delta =  
×100  
[%]  
Sense(-)  
Vo  
Vo_req=Desired (trimmed) output voltage [V]  
Output voltage Vo=3.305 V  
Fundamental Circuit Diagram  
1
8
4
2
Control  
Control  
3
7
Choke  
Isolated  
Feedback  
5
6
Capacitor  
Resistor  
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 /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Thermal Derating Curves  
Vin=48V, with maximum junction temperature of semiconductors derated to 120 degree 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 /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Thermal Derating Curves (continued)  
Temperature reference points on top side  
Temperature reference points 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  
6
ISOLATED DC/DC CONVERTERS  
48 Vdc Input 3.3 Vdc /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Safety  
Material flammability: UL94V-0  
Electromagnetic Compatibility EMC  
1. Electric field  
2. Fast transient/burst  
IEC801-3(1984), IEC1000-4-3  
IEC801-4(1988), IEC1000-4-4  
Input RFI level conducted and radiated (subject to test by customer)  
Compliance to EN55022 class A (both q.peak and average) with the following inductive and capacitive filter  
C4  
+Vin  
-Vin  
T1  
T1  
Conv.positive  
input  
C1  
C2  
C3  
Conv.negative  
input  
C5  
C1=3.3 uF /100 V;  
C2=C3= 47 uF/100 V;  
C4=C5=1000 pF/250 Volt;  
T1=3 mH.  
Level [dB? ]  
80  
60  
x+  
x
x
+
x
+
x
+
+
40  
20  
0
x
+
-20  
150k 300k 500k  
1M  
2M 3M 4M 6M  
10M  
30M  
Frequency [Hz]  
x x MES 05-1012-12L_fin QP  
+ + MES 05-1012-12L_fin AV  
MES 05-1012-12L_pre PK  
MES 05-1012-12L_pre AV  
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 /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Transient Response Waveforms  
Note: Dynamic load transient at Vin = 48 V, Ta = 25 °C, Io=(50%~75%~50%)Ionom, di/dt=0.1 A/uS.  
Ripple and Noise Waveforms  
C1=10 uF tantalum, C2=1 uF ceramic;  
R=50 ohm;  
C=220 nF  
Vin =38.4 V and Iout = 15 A  
Vin =48 V and Iout = 15 A  
Vin =72 V and Iout = 15 A  
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  
48 Vdc Input 3.3 Vdc /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Mechanical Outline  
Pin Connections  
Pin  
Name  
Function  
Pin Dia  
1
Vin+  
0.040’’  
Positive input voltage  
Input to turn converter  
on and off, referenced  
to Vin-  
2
On/Off  
0.040’’  
3
4
5
6
7
8
Vin-  
Vout-  
0.040’’  
0.062’’  
0.040’’  
0.040’’  
0.040’’  
0.062’’  
Negative input voltage  
Negative output voltage  
Negative remote sense  
Output voltage trim  
Positive output voltage  
Positive output voltage  
Sense-  
Trim  
Sense+  
Vout+  
Note: The module doesn't guarantee at least 0.7mm as clearance  
distance on bottom side. This issue should be considered if  
any copper traces are on the top side of the user's board.  
Notes: 1. Pin 5 must be connected to Vout-.  
2. Leave Pin 6 open for nominal voltage.  
3. Pin 7 must be connected to Vout+.  
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  
9
ISOLATED DC/DC CONVERTERS  
48 Vdc Input 3.3 Vdc /15 A Output, 1/8 Brick Converter  
Nov. 30, 2010  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Revision History  
Date  
Revision  
Changes Detail  
Approval  
XF Jiang  
XF Jiang  
2009-11-26  
2010-11-30  
A
B
First Release  
Add UL 60950-1, 2nd Edition and CSA C22.2, 2nd Edition 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.  
©2010 Bel Fuse Inc. Specifications subject to change without notice. 113010  
10  
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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