CXA3809M Datasheet – AC-DC Controller – Sony

Part Number : CXA3809M

Description : AC-DC Controller, BiCMOS silicon monolithic IC

Package :  24-pin SOP Type

Manufactures : Sony


CXA3809M controller


The CXA3809M has optimum configuration to realize various power supply circuits easily and compactly by including Power-factor correction, resonant controller and various protection function in one package.
(Applications: Power supply circuit, etc.)


CXA3809M datasheet pinout

1. Power-factor correction
(1) Multiplierless critical conduction mode (CRM) control
(2) Supports W/W input
(3) Restart timer
(4) Maximum frequency limit (during overcurrent detection)
(5) Continuous overcurrent detection protection function

2. Resonant controller
(1) Timer-latch over current protection
(2) Soft start function
(3) Adjustment minimum frequency limit
(4) Pulse over current load detection
(5) Out of resonance prevention function at start-up

3. Common
(1) Adjacent 2-pin short protection
(2) Various protection functions including overvoltage and overcurrent
(3) AC off detection
(4) PFC-OK signal output

CXA3809M Datasheet