NCP1603 controller equivalent, pfc/pwm combo controller.
of the device are listed below.
Features
* This is a Pb−Free Device*
PFC Features
* Near−Unity Power Factor in Discontinuous and Critical Mode
(DCM and CRM)
*.
* Notebook Adapters
* TV/Monitors
http://onsemi.com
MARKING DIAGRAM
16
1 SO−16 D SUFFIX CASE 751B
1603D100G.
Pin Symbol
Function
Description
1 Vaux 2 FB2
Auxiliary Supply PWM Feedback
This pin connects to the VCC1 pin externally. It delivers a bias voltage from the VCC2 to the PFC section. The Vaux is disabled when either one of the following conditio.
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