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RT9222 Programmable Synchronous PWM Buck Converter

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Description

RT9222 Programmable Synchronous PWM Buck Converter with Dual Adjustable Low Dropout Linear Regulator Controller General .
The RT9222 integrates a PWM controller and two low-dropout linear regulators into a single chip.

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Datasheet Specifications

Part number
RT9222
Manufacturer
Richtek
File Size
150.21 KB
Datasheet
RT9222-Richtek.pdf
Description
Programmable Synchronous PWM Buck Converter

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 Adjustable Output Voltage for Linear Section z Linear Section Uses Low Cost NPN Transistor as Power Device z TTL-compatible 5-

Applications

* z Power Supply for Pentium, Pentium ProTM, Pentium IITM, PowerPCTM, K6TM, 6x86TM, 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 RT9222CS TOP VIEW GND

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