Datasheet > FP133D-LF

FP133D-LF

更新时间： 2022-06-24 15:41:45

品牌	Logo	应用领域
远翔科技 - FEELING		/
页数	文件大小	规格书
10页	279K
描述
Over Current Protection IC With Shunt Regulator

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FP133D-LF 数据手册

FP133

Over Current Protection IC With Shunt Regulator

General Description

FP133 is a main rail current detection and over current protection IC. It includes a current shunt

comparator and shutdown comparator with a precision shunt regulator like FP431.

The rail current detection gain can be adjusted with three external resistors. The regulator

output CSO pin is connected to a shutdown comparator for driving a protection circuit like a

photo-coupler to shutdown the primary side PWM IC when over current occurs.

The voltage shunt regulator has a 2.5V reference for switching power supply secondary output

voltage feedback.

FP133 can be used for OCP and output voltage feedback function with few external parts. It is

suitable for application in secondary main rail power supply of SPS or isolated fly-back DC-DC

converter.

Features

 Independent Power Supply Voltage: 2.7 to 28V

 Wide Operating Temperature Range: -20℃~ +105℃

 Independent Shunt and Supply Voltage

 Low Input Offset Voltage

 Sense Gain Adjustable

 Built-in 1.25V Comparator for O.C.P

 Shunt Regulator Voltage: 2.5V (1.0%)

 Output Sink Current Capability up 50mA

 Package: SOP-8L

Typical Application Circuit

 SPS

 AC Adaptor

 Isolated Fly-back DC-DC Converter

This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.

No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.

Website: http://www.feeling-tech.com.tw

Rev. 0.9

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