CS5111 - 1.4A Switching Regulator
PACKAGE PIN # SO *24L 1 2, 3 PIN SYMBOL VIN NC 4 5, 6, 7, 8, 17, 18, 19, 20 VSW GND 9 VFB1 10 VFB2 11 SELECT 12 COMP 13 COSC 14 WDI 15 CDelay 16 RESET Supply voltage.
FUNCTION No connection.
Collector of NPN power switch for switching regulator section.
Connected to the heat removi
CS5111 1.4 A Switching Regulator with 5.0 V, 100 mA Linear Regulator with Watchdog, RESET and ENABLE The CS5111 is a dual output power supply integrated circuit.
It contains a 5.0 V ± 2%, 100 mA linear regulator, a watchdog timer, a linear output voltage monitor to provide a Power On Reset (POR) and a 1.4 A current mode PWM switching regulator.
The 5.0 V linear regulator is comprised of an error amplifier, reference, and supervisory functions.
It has low internal supply current consumption and
CS5111 Features
* Linear Regulator
* 5.0 V ± 2% @ 100 mA
* Switching Regulator
* 1.4 A Peak Internal Switch
* 120 kHz Maximum Switching Frequency
* 5.0 V to 26 V Operating Supply Range
* Smart Functions
* Watchdog
* RESET
* ENABLE
