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JW1969DS

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功率因数 : >0.9
封装 : SOP-7
MOSFET RDS_ON : 2.3Ω
MOSFET Vds : 550V
OVP内置 : --
OVP外置 : Y
过温保护内置 : Y
过温保护外置 : --
应用功率175VAC-264VAC : 90V/250mA
应用功率90VAC-264VAC : 70V/250mA
产品描述

DESCRIPTION

The JW®1969A/JW1969B/JW1969C/JW1969D/JW1969E (JW1969X series) is a constant current LED regulator which apply to single stage step-down power factor corrected LED drivers. JW1969X series integrates high voltage power source, and can be supplied by line voltage directly, auxiliary winding and VCC capacitor are not needed.

Patented current sensing and digital compensation technics ensure a unit power factor and high accuracy output current. The critical conduction mode operation reduces the switching losses and increases the efficiency.

JW1969X series has multi-protection functions which largely enhance the safety and reliability of the system, including LED open protection, LED short protection and over-temperature protection.

 

FEATURES

No auxiliary winding and VCC capacitor

Supplied from line voltage directly

High current accuracy of line and load regulation

Internal compensation PFC technics

Harmonic current meets IEC61000-3-2

Critical conduction mode

High efficiency over wide operating range

High voltage power MOSFET integrated

LED open protection

LED short protection

Internal over-temperature protection

SOP7 and DIP7 packages

 

APPLICATIONS

Non-isolation Offline LED driver

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JW1969DS
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