LD9532 flyback equivalent, multi-mode pwm controller of flyback.
* Secondary-side feedback control with quasi-resonant + CCM operation
* Built-in 650V MOSFET Switch
* Low Startup Current (<1A)
* Ultra-low operating cur.
* Switching AC/DC Adaptor
Typical Application
AC
EMI
input Filter
VCC FB
COMP
photocoupler
Drain
LD9532
GND
.
The LD9532 is built in a multi-mode PWM controller and integrated a 650V MOSFET. The multi-mode PWM controller which consists of Quasi-Resonant (QR) PWM control for light load condition and Continue Conduction Mode (CCM) for heavy load condition. Mor.
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