RT8228B

The RT8228B is Single Synchronous Buck PWM Controller designed by Richtek.

Product Overview

Richtek

Datasheet Details

Part number	RT8228B
Manufacturer	Richtek
File Size	259.03 KB
Description	Single Synchronous Buck PWM Controller
Datasheet	RT8228B-Richtek.pdf
Additional preview pages of the RT8228B datasheet.

Product details

Description

The RT8228B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM supplies in notebook computers.

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 Ramp Current Limit Soft-Start Control z Drives Large Synchronous Rectifier FETs z Integrated Boost Switch z Over/Under Voltage Protection z Thermal Shutdown z Power Good Indicator z RoHS Compliant and.

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Other Datasheets by Richtek

RT8228A - Single Synchronous Buck PWM Controller
RT8223A - Main Power Supply Controller
RT8223B - Main Power Supply Controller
RT8223L - Main Power Supply Controller
RT8223M - Main Power Supply Controller
RT8223N - Main Power Supply Controller

Published: Mar 19, 2020 |