NCP1225 Datasheet - ON

NCP1225 Low Standby Power SMPS Controller

Pin 1 2 3 4 5 Symbol VCC GND VDRIVE CS GATE Description This pin is the supply of the IC. When voltage at this pin is higher than 12 V typical, the operation will be activated. This pin is the ground of the primary side of the system. This pin is also used to detect the current status of secondary w.

NCP1225 Product Preview Low Standby Power SMPS Controller NCP1225 is a low standby power Switch Mode Power Supply, SMPS controller IC specially designed for low power AC DC adapter applications. The device operates in Discontinuous Conduction Mode (DCM) with Pulse Frequency Modulation (PFM) control scheme. PFM operation can provide high operating efficiency even at light loading conditions and the device itself takes extremely low operating current. With careful circuit design, l.

NCP1225 Features

* as overvoltage protection, undervoltage lockout and overcurrent protection functions are also included. This controller is an ideal solution for low power adapters and mobile phone chargers. With all valuable features, this device is available in the tiny TSOP

* 5 package. Features http://onse

NCP1225 Datasheet (44.40 KB)