RT8228B Single Synchronous Buck PWM Controller

Richtek

Description

® RT8228B Single Synchronous Buck PWM Controller General .
The RT8228B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage b.

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Datasheet Specifications

Part number: RT8228B
Manufacturer: Richtek
File Size: 259.03 KB
Datasheet: RT8228B-Richtek.pdf
Description: Single Synchronous Buck PWM Controller

Features

* z Built in 1% 0.5V Reference Voltage z Adjustable 0.5V to 3.3V Output Range z Support Pure MLCC Output Capacitor z Quick Load Step Response within 100ns z 4700ppm/°C Programmable Current Limit by Low Side RDS(ON) Sensing z 4.5V to 26V Battery Input Range z Resistor Programmable Frequency z Internal

Applications

* z Notebook Computers z CPU Core Supply z Chipset/RAM Supply as Low as 0.5V z Generic DC/DC Power Regulator Pin Configurations (TOP VIEW) GND TON CS 12 11 10 LGATE PHASE UGATE 1 2 3 GND 13 9 PGOOD 8 EN 7 MODE 4 56 BOOT VCC FB WQFN-12L 2x2 Copyright ©2014 Richtek Technology Corporation. All

RT8228B Distributors

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RT8228B Single Synchronous Buck PWM Controller Richtek

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