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RT8055B Datasheet (PDF) - Richtek Technology Corporation

RT8055B Datasheet PDF - Richtek Technology Corporation
Part # RT8055B
Download  RT8055B Download

File Size   173.63 Kbytes
Page   13 Pages
Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation
Description 3A, 2MHz, Synchronous Step-Down Converter

RT8055B Datasheet (PDF)

Go To PDF Page Download Datasheet
RT8055B Datasheet PDF - Richtek Technology Corporation

Part # RT8055B
Download  RT8055B Click to download

File Size   173.63 Kbytes
Page   13 Pages
Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation
Description 3A, 2MHz, Synchronous Step-Down Converter

RT8055B Datasheet (HTML) - Richtek Technology Corporation

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RT8055B Product details

General Description

The RT8055B is a high efficiency synchronous, step-down DC/DC converter. Its input voltage range is from 2.6V to 5.5V and provides an adjustable regulated output voltage from 0.8V to 5V while delivering up to 3A of output current. The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode. The switching frequency is set by an external resistor. The 100% duty cycle provides low dropout operation extending battery life in portable systems. Current mode operation with external compensation allows the transient response to be optimized over a wide range of loads and output capacitors.



Features

High Efficiency : Up to 95%

Low RDS(ON) Internal Switches : 100mΩ

Programmable Frequency : 300kHz to 2MHz

No Schottky Diode Required

0.8V Reference Voltage Allows for Low Output Voltage

Forced Continuous Mode Operation

100% Duty Cycle Operation

Input Over Voltage Protection

Power Good Output Voltage Indicutor

RoHS Compliant and Halogen Free



Applications

Portable Instruments

Battery-Powered Equipment

Notebook Computers

Distributed Power Systems

IP Phones

Digital Cameras

3G/3.5G Data Card




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