Datasheet > SC70JW-8

SC70JW-8

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		驱动器
页数	文件大小	规格书
13页	254K
描述
MOSFET Driver IC with Over-Voltage Protection

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SC70JW-8 数据手册

PRODUCT DATASHEET

AAT4686

OVPSwitch^TM

MOSFET Driver IC with Over-Voltage Protection

General Description

Features

The AAT4686 OVPSwitch™ is a member of AnalogicTech’s

Application Specific Power MOSFET™ (ASPM™) product

family. It is a P-channel MOSFET driver IC with precise

over-voltage protection control, designed to protect low-

voltage systems against high-voltage faults up to +28V.

If the input voltage exceeds the programmed over-volt-

age threshold, the external P-channel MOSFET switch

will be turned off to prevent damage to the output load

circuits. The AAT4686 is available with an internally pro-

grammed over-voltage trip point or as an adjustable

version programmed by a two external resistors.

• Over-Voltage Protection up to 28V

• (Fixed or Adjustable) Over-Voltage Protection Threshold

• Fast OVP Response:

1 μs (Max) to Over-Voltage Transient

• Low Operation Quiescent Current

▪

30μA Typical

1μA Max in Shutdown (Disabled)

• Drives External P-Channel MOSFETs

• Under-Voltage Lockout

▪

• Temperature Range: -40 to 85°C

• Available in SC70JW-8 Package

The AAT4686 also includes an under-voltage lockout

(UVLO) protection circuit, which will put the device into

sleep mode at low input voltages only consuming < 1μA

of current.

Applications

• Cell Phones

• Digital Still Cameras

• GPS

• MP3 Players

The AAT4686 is offered in a small Pb-free, 8-pin SC70JW

package, and is specified for operation over the -40°C to

+85°C ambient temperature range.

• Personal Data Assistants (PDA)

• USB Hot Swap / Live Insertion Devices

Typical Application

Adjustable Version

Fixed Version*

V_OUT

+5V

3.75V – 28V

1μF

V_IN

3.75V – 28V

1μF

V_IN

GATE

GND

GATE

GND

OVP

Fault Flag

FLT

Fault Flag

FLT

* Contact manufacturer for available options.

w w w . a n a l o g i c t e c h . c o m

4686.2008.02.1.0

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