LP3783B Datasheet PDF - Shenzhen Xinmao Microelectronics Co., Ltd.

Overview
   LP3783B is a constant voltage and constant current primary feedback control chip, with a built-in VCBO of 850V power transistor, suitable for chargers and adapters.

FEATUREs
■ Applicable to 12W solutions, meeting the sixth level of energy efficiency
■ Valley opening mechanism to improve system efficiency
■ Built-in high-power BJT
■ Constant voltage and constant current with high accuracy
■ ≦ 75mW standby power consumption
■ Unique output line loss compensation technology
■ Hiccup function
■ Open circuit and short circuit protection
■ Overvoltage and undervoltage protection
■ Overtemperature protection

APPLICATIONs
■ Adapters and chargers for mobile phones, cordless phones, PDAs, MP3s and other portable devices
■ LED driver power
■ Upgrade of linear power supply and RCC switching power supply
■ Other auxiliary power supplies, etc.