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RT9221 Programmable Synchronous PWM Buck Converter

RT9221 Description

RT9221 Programmable Synchronous PWM Buck Converter with 1.5V/2.5V Dual Low Dropout Linear Regulator Controller General .
The RT9221 integrates a PWM controller and two low-dropout linear regulators into a single chip.

RT9221 Features

* z Provides 3 Regulated Voltages z N-MOSFET Driver for High Efficiency Switching Section z Power-good, Over-voltage, and Current- limiting Protection for Switching Section z 1.5V and 2.5V Fixed Output Voltage for Linear Section z Linear Section Uses Low Cost NPN Transistor as Power Device z TTL-compa

RT9221 Applications

* z Power Supply for Pentium, Pentium ProTM, Pentium IITM, Power PCTM, K6TM, 6×86TM, and AlphaTM Microprocessors z High-power 5V to 3.xV DC-DC Regulators z Low-voltage Distributed Power Supplies z Programmable Power Supplies Pin Configurations Part Number Pin Configurations TOP VIEW RT9221CS GND 1

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Datasheet Details

Part number
RT9221
Manufacturer
Richtek
File Size
150.35 KB
Datasheet
RT9221-Richtek.pdf
Description
Programmable Synchronous PWM Buck Converter

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Programmable Synchronous PWM Buck Converter Richtek
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