RT9221 PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER

Richtek Technology

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.

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Datasheet Specifications

Part number: RT9221
Manufacturer: Richtek Technology
File Size: 150.35 KB
Datasheet: RT9221_ETC.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 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

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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RT9221 PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER Richtek Technology

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