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RT8204A Datasheet Single Synchronous Buck

Manufacturer: Richtek

Overview: RT8204A Single Synchronous Buck with LDO Controller General.

Datasheet Details

Part number RT8204A
Manufacturer Richtek
File Size 429.21 KB
Description Single Synchronous Buck
Datasheet RT8204A_Richtek.pdf

General Description

The RT8204A PWM controller provides the 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.

The constant-on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency.

The RT8204A achieves high efficiency at a reduced cost by eliminating the current sense resistor found in traditional current mode PWMs.

Key Features

  • z PWM Controller Ultra-High Efficiency ` Resistor Programmable Current Limit by Low Side RDS(ON) Sense (Lossless Limit) or Sense Resistor (High Accuracy) ` Quick Load Step Response within 100ns ` 1% VOUT Accuracy Over Line and Load ` Adjustable 0.75V to 3.3V Output Range ` 3V to 26V Battery Input Range ` Resistor Programmable Frequency ` Over/Under Voltage Protection ` 2 Steps Current Limit During Soft-Start ` Drives Large Synchronous-Rectifier FETs ` Power Good Indicator LDO Controller ` 1.5%.

RT8204A Distributor & Price

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