Datasheet > RT8008GB

RT8008GB

更新时间： 2024-11-21 22:59:31

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
14页	342K
描述
IC REG BCK ADJ 0.6A SYNC SOT23-5

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RT8008GB 数据手册

RT8008

1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC

Converter

General Description

Features

^z2.5V to 5.5V Input Range

The RT8008 is a high-efficiency pulse-width-modulated

(PWM) step-downDC/DC converter. Capable of delivering

600mAoutput current over a wide input voltage range from

2.5V to 5.5V, the RT8008 is ideally suited for portable

electronic devices that are powered from 1-cell Li-ion

battery or from other power sources within the range such

as cellular phones, PDAs and handy-terminals.

^zAdjustable Output From 0.6V to V_IN

^z1.0V, 1.2V, 1.5V, 1.8V, 2.5V and 3.3V Fixed/

Adjustable Output Voltage

^z600mA Output Current, 1A Peak Current

^z95% Efficiency

^zNo Schottky Diode Required

^z1.5MHz Fixed Frequency PWM Operation

^zSmall SOT-23-5 and TSOT-23-5 Package

^zRoHS Compliant and 100% Lead (Pb)-Free

Internal synchronous rectifier with low R_DS(ON)dramatically

reduces conduction loss at PWM mode. No external

Schottky diode is required in practical application. The

RT8008 automatically turns off the synchronous rectifier

while the inductor current is low and enters discontinuous

PWM mode. This can increase efficiency at light load

condition.

Applications

z Cellular Telephones

z Personal InformationAppliances

z Wireless and DSL Modems

z MP3 Players

The RT8008 enters Low-Dropout mode when normal PWM

cannot provide regulated output voltage by continuously

turning on the upper P-MOSFET. RT8008 enter shutdown

mode and consumes less than 0.1μAwhen ENpin is pulled

low.

z Portable Instruments

Ordering Information

RT8008(-

)

Package Type

B : SOT-23-5

J5 : TSOT-23-5

The switching ripple is easily smoothed-out by small

package filtering elements due to a fixed operation

frequency of 1.5MHz. This along with small SOT-23-5 and

TSOT-23-5 package provides small PCB area application.

Other features include soft start, lower internal reference

voltage with 2% accuracy, over temperature protection,

and over current protection.

Lead Plating System

P : Pb Free

G : Green (Halogen Free and Pb Free)

Output Voltage

Default : Adjustable

10 : 1.0V

12 : 1.2V

15 : 1.5V

18 : 1.8V

Pin Configurations

(TOP VIEW)

25 : 2.5V

FB/VOUT

VIN

33 : 3.3V

Note :

Richtek products are :

GND LX

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

SOT-23-5/TSOT-23-5

` Suitable for use in SnPb or Pb-free soldering processes.

Marking Information

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area.

DS8008-07 March 2011

www.richtek.com

12 3 4 5 6 7...14

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与RT8008GB相关器件

型号	品牌	获取价格	描述	数据表
RT8008GJ5	RICHTEK	获取价格	IC REG BUCK ADJ 0.6A SYNC TSOT23
RT8008PB	RICHTEK	获取价格	1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8008PJ5	RICHTEK	获取价格	1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-10GB	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-10GJ5	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-10PB	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-10PJ5	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-12GB	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-12GJ5	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter

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