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JWB1997A

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功率因数 : >0.5
封装 : ASOP7
MOSFET RDS_ON :
MOSFET Vds : 500V
OVP内置 : --
OVP外置 : --
过温保护内置 : Y
过温保护外置 : --
应用功率175VAC-264VAC : 120V/180mA
应用功率90VAC-264VAC : 75V/180mA
产品描述

DESCRIPTION

JWB®1997M/A is a non-isolated constant current LED regulator with high current accuracy which applies to step-down LED drivers. Operating in the boundary mode makes it high efficiency and low radiation. Patented algorithms ensure good current accuracy and excellent line/load regulations.

JWB1997M/A is supplied from the line directly without auxiliary winding or external capacitor, which can lower the system BOM cost.

With unique sampling techniques, JWB1997M/A has multi-protection functions which can largely enhance the safety and reliability of the system, including LED short protection and over-temperature protection.

 

FEATURES

• 800V Bridge Rectifier Integrated

• 600V Low VF Diode Integrated

• 500V MOSFET Integrated

• Excellent line/load regulation

• Boundary mode operation

• High efficiency

• LED short protection

• Over-temperature protection

• Optimized the Ipeak mutation problem

• Optimized the problem of unreasonable feedforward compensation

• ASOP-7 package

 

APPLICATIONS

• DOB application

关键词:
JWB1997A
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