Datasheet > RT8004QCP

RT8004QCP

更新时间： 2024-02-21 07:35:45

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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技术参数
数据手册

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RT8004QCP 技术参数

Status：	Active	Vin (min) (V)：	2.7
Vin (max) (V)：	5.5	Number of Outputs：	1
Vout (min) (V)：	0.8	Vout (max) (V)：	5
Preset Vout (V)：		Output Adj. Method：	Resistor
Iout (max) (A)：	4.5	Current Limit (typ) (A)：	5.5
Freq (typ) (kHz)：	1000	Freq (min) (kHz)：	300
Freq (max) (kHz)：	4000	Ext Sync：	Yes
Ron_HS (typ) (mOhm)：	75	Ron_LS (typ) (mOhm)：	69
Iq (typ) (mA)：	0.4	Features：	100% Duty Cycle;Adjustable Frequency;Adjustable Soft-Start;Current Mode Control;Enable Input;External Synchronization;OCP;Power Good;Selectable (PSM or PWM);Stable with Ceramic Capacitor;UVP
Package Type：	VQFN4x4-16;TSSOP-16(PP)	Datasheet：	https://datasheet5.oss-cn-shanghai.aliyuncs.com/datasheets/richtek/DS8004A-03.pdf

RT8004QCP 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

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