RT9703

更新时间： 2024-10-02 04:07:19

品牌	Logo	应用领域
立锜 - RICHTEK		开关电源开关
页数	文件大小	规格书
14页	370K
描述
80mз, 3A Smart Universal Power Switch with Flag

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中文翻译

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技术参数
数据手册

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RT9703 技术参数

Status：	Active	Number of Outputs：	1
Vin (min) (V)：	2	Vin (max) (V)：	5.5
Ron (typ) (mOhm)：	80	Iq (typ) (mA)：	0.03
Current Limit (typ) (A)：		FLAG Indicator：	Yes
Iocp Adjustable：	Yes	Safety：
Features：	Adjustable Current Limit;Cycle-by-Cycle Current Limit;Enable Input;SCP	Package Type：	SOP-8

RT9703 数据手册

Preliminary

RT9703

80mΩ, 3A Smart Universal Power Switch with Flag

General Description

Features

ꢀ Adjustable Current Limiting Up To 3.5A

ꢀ Built-In (Typically 80mΩ) N-Channel MOSFET

ꢀ Reverse Current Flow Blocking (no body diode) i.e.

Output Can Be Forced Higher Than Input (Off-State)

ꢀ Low Supply Current:

The RT9703 is a low voltage, high performance single

N-Channel MOSFET power switch, designed for power

≈

rail on/off control with low R_{DS(ON) dd}80mΩ and full

protection functions. The RT9703 equipped with a charge

pump circuitry to drive the internal MOSFET switch and a

flag output is available to indicate fault conditions against

large di/dt which may cause the supply to fall out of

regulation. In order to fit different application, an IP pin is

offered for current limit point setting, a resistor from IP to

ground sets the current limit for the switch.

30µA Typical at Switch On State

Less Than 1µA Typical at Switch Off State

ꢀ Guaranteed 3A Continuous Load Current

ꢀ Wide Input Voltage Ranges: 2V to 5.5V

ꢀ Open-Drain Fault Flag Output

ꢀ Hot Plug-In Application (Soft-Start)

ꢀ 1.7V Typical Under-Voltage Lockout (UVLO)

ꢀ Thermal Shutdown Protection

Additional features include soft-start to limit inrush current

during plug-in, thermal shutdown to prevent catastrophic

switch failure from high-current loads, under-voltage

lockout (UVLO) to ensure that the device remains off

unless there is a valid input voltage present, a precision

resistor-programmable output current limit up to 3.5A.

Besides, the lower quiescent current as 30µAmaking this

device ideal for portable battery-operated equipment.

ꢀ Smallest SOP-8 Package Minimizes Board Space

Applications

ꢀ LCD Monitor, LCD-TV

ꢀ USB Power Module for ADSL

ꢀ Information Appliance and Set-Top Box

ꢀ Battery-Powered Equipment

ꢀ Hot-Plug Power Supplies

The RT9703 is available in SOP-8 package requiring

minimum board space and smallest components.

ꢀ ACPI Power Distribution

Ordering Information

ꢀ PCI Bus Power Switching

ꢀ Motherboard & Notebook PCs

ꢀ PC Card Hot Swap Application

RT9703

Package Type

S : SOP-8

Operating Temperature Range

C : Commercial Standard

Pin Configurations

(TOP VIEW)

FLG

VOUT

GND

VIN

SOP-8

DS9703-00 September 2003

12 3 4 5 6 7...14

中文翻译

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与RT9703相关器件

型号	品牌	获取价格	描述	数据表
RT9703_07	RICHTEK	获取价格	80mヘ, 3A Smart Universal Power Switch with Fl
RT9703_11	RICHTEK	获取价格	80mÎ©, 3A Smart Universal Power Switch with F
RT9703CS	RICHTEK	获取价格	80mз, 3A Smart Universal Power Switch with Fl
RT9703GS	RICHTEK	获取价格	80mヘ, 3A Smart Universal Power Switch with Fl
RT9703PS	RICHTEK	获取价格	80mヘ, 3A Smart Universal Power Switch with Fl
RT9705B	RICHTEK	获取价格	暂无描述
RT9706	RICHTEK	获取价格	80mヘ, 500mA High-Side Power Switch with Flag
RT9706_11	RICHTEK	获取价格	80mÎ©, 500mA High-Side Power Switch with Flag
RT9706GB	RICHTEK	获取价格	80mヘ, 500mA High-Side Power Switch with Flag
RT9706PB	RICHTEK	获取价格	80mヘ, 500mA High-Side Power Switch with Flag

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