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參數(shù)資料
| 型號(hào)： | 07QB-T0R120G |
| 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 8 PIN |
| 文件頁(yè)數(shù)： | 3/18頁(yè) |
| 文件大小： | 384K |
| 代理商： | 07QB-T0R120G |
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Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
11
ISOLATED DC/DC CONVERTERS
24 Vdc Input
12 Vdc /20 A Output
Sep. 11, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Over Current Protection
To provide protection in a fault output overload condition, the module is equipped with internal current-limiting
circuitry and can endure current limiting for a few mili-seconds. If the over current condition persists beyond a few
milliseconds, the module will shut down into hiccup mode and restart once every 800mS. The module operates
normally when the output current goes into specified range. The typical average output current is 0.02A during
hiccup.
Over Voltage Protection
The output overvoltage protection consists of circuitry that monitors the voltage on the output terminals. If the
voltage on the output terminals exceeds the over voltage protection threshold the module will shutdown into latch
off mode. The overvoltage latch can be reset by either cycling the input power or toggling the on/off signal for one
second at least.
Test setup:
Waveform:
R=249K
Vin = 24 V, Load in CC Mode
CH1: Output Voltage
CH3: Output Current
Expansion of on time portion
Vo+
Vo-
Trim
R
K
CH1: Output voltage waveform
CH2: Input voltage waveform
CH3: Output Current waveform
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