Datasheet > RT9702A

RT9702A

更新时间： 2024-01-03 11:57:11

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
16页	241K
描述
Power Management/Switchers

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中文翻译

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数据手册

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RT9702A 数据手册

Preliminary

RT9702/A

80mΩ, 500mA/1.1A High-Side Power Switches with Flag

General Description

Features

The RT9702 and RT9702A are cost-effective, low

voltage, single N-Channel MOSFET high-side power

switches, optimized for self-powered and bus-

powered Universal Serial Bus (USB) applications.

The RT9702/A equipped with a charge pump

circuitry to drive the internal MOSFET switch; the

switch’s low R_DS(ON), 80mΩ, meets USB voltage drop

requirements; and a flag output is available to

indicate fault conditions to the local USB controller.

ꢁ Compliant to USB Specifications

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

ꢁ Output Can Be Forced Higher Than Input

(Off-State)

ꢁ Low Supply Current:

25µA Typical at Switch On State

0.1µA Typical at Switch Off State

ꢁ Guaranteed 500mA/RT9702 and 1.1A/RT9702A

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)

ꢁ Current Limiting 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, fault current is limited to typically

800mA for RT9702 in single port and 1.5A for

RT9702A in dual ports in accordance with the USB

power requirements, lower quiescent current as

25µA making this device ideal for portable

battery-operated equipment.

ꢁ Thermal Shutdown Protection

ꢁ Reverse Current Flow Blocking (no “body

diode)

ꢁ Smallest SOT-25 Package Minimizes Board

Space

ꢁ UL Approved – E219878

The RT9702/A is available in SOT-25 package

requiring minimum board space and smallest

components.

Applications

ꢁ USB Bus/Self Powered Hubs

ꢁ USB Peripherals

ꢁ ACPI Power Distribution

ꢁ PC Card Hot Swap

ꢁ Notebook, Motherboard PCs

ꢁ Battery-Powered Equipment

ꢁ Hot-Plug Power Supplies

ꢁ Battery-Charger Circuits

Ordering Information

RT9702/A ꢀꢀ

Package Type

B : SOT-25

Operating Temperature Range

C: Commercial Standard

Pin Configurations

1.1A Output Current

Part Number

Pin Configurations

500mA Output Current

TOP VIEW

RT9702/ACB

(Plastic SOT-25)

1. CE

2. GND

3. FLG

4. VIN

5. VOUT

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.

DS9702A-01

March 2003

www.richtek.com

12 3 4 5 6 7...16

中文翻译

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与RT9702A相关器件

型号	品牌	获取价格	描述	数据表
RT9702AGB	RICHTEK	获取价格	80mヘ, 500mA/1.1A High-Side Power Switches wit
RT9702AGJ5	RICHTEK	获取价格	80mヘ, 500mA/1.1A High-Side Power Switches wit
RT9702APB	RICHTEK	获取价格	80mヘ, 500mA/1.1A High-Side Power Switches wit
RT9702APJ5	RICHTEK	获取价格	80mヘ, 500mA/1.1A High-Side Power Switches wit
RT9702GB	RICHTEK	获取价格	80mヘ, 500mA/1.1A High-Side Power Switches wit
RT9702GJ5	RICHTEK	获取价格	80mヘ, 500mA/1.1A High-Side Power Switches wit
RT9702PB	RICHTEK	获取价格	80mヘ, 500mA/1.1A High-Side Power Switches wit
RT9702PJ5	RICHTEK	获取价格	80mヘ, 500mA/1.1A High-Side Power Switches wit
RT9703	RICHTEK	获取价格	80mз, 3A Smart Universal Power Switch with Fl
RT9703_07	RICHTEK	获取价格	80mヘ, 3A Smart Universal Power Switch with Fl

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