LD5523R controller equivalent, multi-mode pwm controller.
* Secondary-side feedback control with quasi-resonant + CCM operation
* Low Startup Current (<1A)
* 0.285mA Ultra-low operating current at light load
* C.
* Switching AC/DC Adaptor
Typical Application
AC input
EMI Filter
DC Output
VCC
OUT
FB LD5523/R/H/E
COMP
CS.
In order to enhance the efficiency performance, the LD5523/R/H/E integrates 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. Moreove.
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