Datasheet > RT8004QS

RT8004QS

更新时间： 2024-11-11 03:35:43

品牌	Logo	应用领域
立锜 - RICHTEK		稳压器
页数	文件大小	规格书
16页	248K
描述
3A, 4MHz, Synchronous Step-Down Regulator

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中文翻译

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数据手册

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RT8004QS 数据手册

RT8004

3A, 4MHz, Synchronous Step-Down Regulator

General Description

Features

^ꢀHigh Efficiency : Up to 95%

The RT8004 is a high efficiency synchronous, step-down

DC/DC converter. Its input voltage range is from 2.65V to

5.5V and provides an adjustable regulated output voltage

from 0.8V to 5V while delivering up to 3A of output current.

^ꢀLow Quiescent Current : 100μA

^ꢀLow R_DS(ON)Internal Switches : 75mΩ

^ꢀProgrammable Frequency : 300kHz to 4MHz

^ꢀNo Schottky Diode Required

The internal power switch with 75mΩ on-resistance

increases efficiency and eliminates the need for an external

Schottky diode. Switching frequency is set by an external

resistor or can be synchronized to an external clock. 100%

duty cycle provides low dropout operation extending

battery life in portable systems. External compensation

allows the transient response to be optimized over a wide

range of loads and output capacitors.

^ꢀ0.8V Reference Allows Low Output Voltage

^ꢀLow Dropout Operation : 100% Duty Cycle

^ꢀSynchronizable Switching Frequency

^ꢀPower Good Output Voltage Monitor

^ꢀOver Temperature Protection

ꢀ Thermally Enhanced SOP-16, TSSOP-16 (Exposed

Pad) and 16-Lead VQFN 4x4 Packages

ꢀ RoHS Compliant and 100% Lead (Pb)-Free

The RT8004 operates in Forced Continuous Mode which

reduces noise and RF interference. 100% duty cycle in

LowDropout Operation further maximize battery life.

Applications

ꢀ Portable Instruments

ꢀ Battery-Powered Equipment

ꢀ Notebook Computers

ꢀ Distributed Power Systems

ꢀ IP Phones

Ordering Information

RT8004

Package Type

S : SOP-16

ꢀ Digital Cameras

CP : TSSOP-16 (Exposed Pad)

QV : VQFN-16L 4x4 (V-Type)

Pin Configurations

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

(TOP VIEW)

Note :

ꢀ

Richtek Pb-free and Green products are :

`RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

16 15

COMP

PGND

GND

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

`100% matte tin (Sn) plating.

SYNC

6 7 8

Marking Information

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area, otherwise visit our website for detail.

VQFN-16L 4x4

DS8004-03 September 2007

www.richtek.com

12 3 4 5 6 7...16

中文翻译

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与RT8004QS相关器件

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RT8005	RICHTEK	获取价格	1A, 2MHz, High-Efficiency Synchronous Buck PWM Converter
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RT8005PQV	RICHTEK	获取价格	1A, 2MHz, High-Efficiency Synchronous Buck PWM Converter
RT8008	RICHTEK	获取价格	1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8008-10PB	RICHTEK	获取价格	1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8008-10PJ5	RICHTEK	获取价格	1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8008-10QB	RICHTEK	获取价格	1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8008-10QJ5	RICHTEK	获取价格	1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
RT8008-12GB	RICHTEK	获取价格	1.0V, 1.2V, 1.5V, 1.8V, 2.5V and 3.3V Fixed/Adjustable Output Voltage
RT8008-12PB	RICHTEK	获取价格	1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter

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