CS5111 Datasheet - Cherry Semiconductor Corporation

CS5111 1.4A Switching Regulator

The CS5111 is a dual output power supply integrated circuit. It contains a 5V ±2%, 100mA linear regulator, a watchdog timer, a linear output voltage monitor to provide a Power On Reset (POR) and a 1.4A current mode PWM switching regulator. The 5V linear regulator is comprised of an error amplifier, .

CS5111 Features

* s Linear Regulator 5V ± 2% @ 100mA s Switching Regulator 1.4A Peak Internal Switch 120kHz Maximum Switching Frequency 5V to 26V Operating Supply Range s Smart Functions Watchdog RESET ENABLE s Protection Overvoltage Overtemperature Current Limit s 54V Peak Transient Capability Block Diagram VFB1 VF

CS5111_CherrySemiconductorCorporation.pdf