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參數資料
| 型號： | VRAF-08AT5E |
| 廠商： | BEL FUSE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, MODULE 5 PIN |
| 文件頁數： | 1/8頁 |
| 文件大小： | 176K |
| 代理商： | VRAF-08AT5E |
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
1
NON-ISOLATED DC/DC CONVERTERS
12 Vdc Input Vddq/2 / 8 A Output
Nov. 10, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Features
Non-Isolated
High Efficiency
Fixed Frequency
Current Source/Sink Capability
Tracking a Reference for Output Voltage
Over Voltage Protection (Hiccup Mode)
Class 1, Category 2, Non-Isolated DC/DC Converter (refer to IPC-9592)
Applications
Networking
Computers and peripherals
Telecommunications
Description
The Bel VRAF-08AT5E module is a non-isolated, step down dc/dc power converter that operates from a nominal
12 Vdc or wide range 5 Vdc to 13.8 Vdc source. This converter is designed specifically to provide bus termination
voltages in applications such as DDR (double data rate) memory where the bus termination voltage must closely
track the I/O bus voltage. The converter accepts a reference input and uses this to program its output voltage to
50% of the reference. The unit is packaged in compact single-in-line footprint and provides a maximum 8 A
output. Standard features include remote on/off, input under-voltage lockout, output over voltage protection.
Part Selection
Output Voltage
Input Voltage
Max. Output
Current
0.9 Vdc
5.0 Vdc - 13.8 Vdc
8 A
Notes:
Add “G” suffix at the end of the model number to indicate Tray Packaging.
Part Number Explanation
V R AF – 08 A T5 E
1 2 3 4 5 6 7
1---Vertical mount
2---RoHS 6, change “R” to “7” means RoHS 5
3---Series name (SIP)
4---Series code (output current 8A)
5---Input range (5.0-13.8V)
6---Output voltage (Vddq/2)
7---Suffix
Under-Voltage Lockout
Output Enable
OCP/SCP
Low Cost
High Power Density
Max. Output
Power
7.2 W
Typical
Efficiency
69%
Model Number
VRAF-08AT5E
VRAF-08AT5E RoHS Compliant Rev.A
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