RT8228A - Single Synchronous Buck PWM Controller

Richtek

RT8228A Datasheet Preview — Preview of RT8228A PDF

Datasheet Details

Part number	RT8228A
Manufacturer	Richtek ↗
File Size	194.96 KB
Description	Single Synchronous Buck PWM Controller
Datasheet	RT8228A-Richtek.pdf

RT8228A Product details

Description

The RT8228A 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

Built in 1% 0.5V Reference Voltage.
Adjustable 0.5V to 3.3V Output Range.
Quick Load Step Response within 100ns.
4700ppm/°C Programmable Current Limit by Low Side RDS(ON) Sensing.
4.5V to 26V Battery Input Range.
Resistor Programmable Frequency.
Internal Ramp Current Limit Soft-Start Control.
Drives Large Synchronous Rectifier FETs.
Integrated Boost Switch.
Over/Under Voltage Protection.
Thermal Shutdown.
Power Good Indicator.
RoH.

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Published: Sep 10, 2023 |