LR5920 Datasheet - Leshan Radio Company

LR5920 High Performance Current Mode PWM Switching Power Supply Controller

The LR5920 is a current mode PWM switching power supply controller that specifically designed for AC/DC converter with high perfo rmance versus cost ratio. It provides continuo us output power up to 12W in the bro ad voltage range o f 8 5V * 265V.Its o ptimized and highly reaso nable circuit.

LR5920 Features

* ¦ Built-in 750V high voltage power switching tube with minimal external parts count ¦ ¦ ¦ ¦ ¦ ¦ ¦ Latched P WM and pulse - by - pulse current limiting inspection Reduced frequency at low o utput with standby po wer consumption below 0.25W Built-in slope and feedback compensation function Separate

LR5920_LeshanRadioCompany.pdf