Datasheet > BuckConv> RT8065

RT8065

更新时间： 2024-09-23 11:46:35

品牌	Logo	应用领域
立锜 - RICHTEK		TI的电源Demo板
页数	文件大小	规格书
13页	205K
描述

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中文翻译

获取价格

技术参数
数据手册

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RT8065 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)：	3	Current Limit (typ) (A)：	4.5
Freq (typ) (kHz)：	1000	Freq (min) (kHz)：	200
Freq (max) (kHz)：	2000	Ext Sync：	No
Ron_HS (typ) (mOhm)：	120	Ron_LS (typ) (mOhm)：	80
Iq (typ) (mA)：	0.46	Features：	100% Duty Cycle;Adjustable Frequency;Adjustable Soft-Start;Current Mode Control;Enable Input;Fast Transient Response;OCP;PSM;Power Good;Stable with Ceramic Capacitor;UVP
Package Type：	PSOP-8;WDFN3x3-8

RT8065 数据手册

RT8065

3A, 2MHz, Synchronous Step-Down Converter

General Description

Features

^zHigh Efficiency : Up to 95%

The RT8065 is a high efficiency synchronous, step-down

DC/DC converter. Its input voltage range is from 2.7V to

5.5V and provides an adjustable regulated output voltage

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

z Adjustable Frequency : 200kHz to 2MHz

^zNo Schottky Diode Required

^z0.8V Reference Allows Low Output Voltage

^zForced Continuous Mode Operation

^zLow Dropout Operation : 100% Duty Cycle

^zEnable Function

The internal synchronous low on-resistance power

switches increase efficiency and eliminate the need for

an external Schottky diode. The default switching

frequency is set at 2MHz, if the RT pin is left open. It can

also be varied from 200kHz to 2MHz by adding an external

resistor. Current mode operation with external

compensation allows the transient response to be

optimized over a wide range of loads and output capacitors.

^zExternal Soft-Start

^zPower Good Function

^zRoHS Compliant and Halogen Free

Applications

z LCDTV and Monitor

z Notebook Computers

z Distributed Power Systems

z IP Phones

The RT8065 operates in forced continuous PWM Mode,

which minimizes ripple voltage and reduces the noise and

RF interference.

z Digital Cameras

Ordering Information

RT8065

Pin Configurations

Package Type

SP : SOP-8 (Exposed Pad-Option 2)

QW : WDFN-8L 3x3 (W-Type)

(TOP VIEW)

COMP

PGOOD

Lead Plating System

Z : ECO (Ecological Element with

Halogen Free and Pb free)

GND

VIN

Note :

Richtek products are :

SOP-8 (Exposed Pad)

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

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

COMP

PGOOD

VIN

Marking Information

RT8065ZSP

WDFN-8L 3x3

RT8065ZSP : Product Number

RT8065

YMDNN : Date Code

ZSPYMDNN

RT8065ZQW

29 : Product Code

YMDNN : Date Code

29 YM

DNN

DS8065-03 March 2011

www.richtek.com

12 3 4 5 6 7...13

中文翻译

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与RT8065相关器件

型号	品牌	获取价格	描述	数据表
RT8068A	RICHTEK	获取价格
RT8070	RICHTEK	获取价格
RT8072	RICHTEK	获取价格	5A, 2MHz, High Efficiency Synchronous Step-Down Converter
RT8073	RICHTEK	获取价格	6A, 2MHz, High Efficiency Synchronous Step-Down Converter
RT8074	RICHTEK	获取价格	4A, 2MHz, Synchronous Step-Down Converter
RT8074GSP	RICHTEK	获取价格
RT8075	RICHTEK	获取价格	Dual 1A, 1.25MHz Synchronous Step-Down Converter
RT8075ZQW	RICHTEK	获取价格	IC REG BCK ADJ 1A DL SYNC 10WDFN
RT8077	RICHTEK	获取价格	2A, 2MHz, Synchronous Step-Down Converter
RT8078A	RICHTEK	获取价格	4A, 1MHz, Synchronous Step-Down Converter

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