Datasheet > RT8009-10PJ5

RT8009-10PJ5

更新时间： 2024-11-11 02:52:27

品牌	Logo	应用领域
立锜 - RICHTEK		转换器
页数	文件大小	规格书
13页	272K
描述
1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter

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RT8009-10PJ5 数据手册

RT8009

1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC

Converter

General Description

Features

^ꢀ+2.5V to +5.5V Input Range

The RT8009 is a high-efficiency pulse-width-modulated

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

600mAoutput current over a wide input voltage range from

2.5 to 5.5V, the RT8009 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.

^ꢀAdjustable Output From 0.5V to V_IN

^ꢀ1.0V, 1.2V, 1.5V, 1.8V, 2.5V and 3.3V Fixed/

Adjustable Output Voltage

^ꢀ600mA Output Current

^ꢀ95% Efficiency

^ꢀNo Schottky Diode Required

^ꢀ1.25MHz Fixed-Frequency PWM Operation

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

^ꢀRoHS 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

RT8009 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

ꢀ Cellular Telephones

ꢀ Personal InformationAppliances

ꢀ Wireless and DSL Modems

ꢀ MP3 Players

The RT8009 enters Low-Dropout mode when normal PWM

cannot provide regulated output voltage by continuously

turning on the upper P-MOSFET. RT8009 enter shutdown

mode and consumes less than 0.1uAwhen ENpin is pulled

low.

ꢀ Portable Instruments

Ordering Information

RT8009(-

)

The switching ripple is easily smoothed-out by small

package filtering elements due to a fixed operation

frequency of 1.25MHz. 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.

Package Type

B : SOT-23-5

J5 : TSOT-23-5

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

Output Voltage

Default : Adjustable

10 : 1.0V

Pin Configurations

12 : 1.2V

15 : 1.5V

18 : 1.8V

(TOP VIEW)

25 : 2.5V

33 : 3.3V

VIN

GND

Note :

RichTek Pb-free and Green products are :

`RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

FB/VOUT

SOT-23-5/TSOT-23-5

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

`100% matte tin (Sn) plating.

DS8009-03 March 2007

www.richtek.com

12 3 4 5 6 7...13

中文翻译

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与RT8009-10PJ5相关器件

型号	品牌	获取价格	描述	数据表
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
RT8009-12PB	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-12PJ5	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-15GB	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-15GJ5	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-15PB	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-15PJ5	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-18GB	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8009-18GJ5	RICHTEK	获取价格	1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter

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