LP3783AM Datasheet PDF - Shenzhen Xinmao Microelectronics Co., Ltd.

Overview
LP3783AM is a high-performance isolated adapter and charger control chip. Constant current and constant voltage functions are achieved through current and voltage detection on the primary side, with built-in loop stability compensation, and TL431 and optocoupler can be omitted.

FEATUREs
■ Integrated BJT, suitable for 10W isolation solution
■ 75mW standby, meeting level 6 energy efficiency
■ Valley-turn-on mechanism to improve system efficiency
■ Unique random frequency jitter to improve EMI
■ Slope current drive to optimize average efficiency
■ High-precision constant voltage and constant current control
■ Unique output line loss compensation technology
■ PFM/PWM multi-mode control to improve efficiency and audio characteristics
■ Output short circuit protection function
■ FB resistor open short circuit protection function
■ Output overvoltage protection function
■ VCC voltage overvoltage protection function
■ Overtemperature protection

APPLICATIONs
■ Adapters and chargers for mobile phones, cordless phones, PDAs, MP3s and other portable devices
■ LED driver power supply
■ Linear power supply and RCC switching power supply upgrade
■ Other auxiliary power supplies