LD5525 controller equivalent, multi-mode pwm controller.
* Secondary-side feedback control with quasi-resonant operation
* Low Startup Current (<3A)
* 0.5mA Ultra-low operating current at light load
* Current M.
* Switching AC/DC Adaptor
AC input
EMI Filter
DC Output
VCC
OUT
FB LD5525
COMP
CS
GND
NTC
photocoupler
L.
In order to enhance the efficiency performance, the LD5525 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. Moreover, the.
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