Datasheet > MIC5019

MIC5019

更新时间： 2024-09-16 12:00:39

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器泵
页数	文件大小	规格书
12页	386K
描述
Ultra-Small High-Side N-Channel MOSFET Driver with Integrated Charge Pump

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MIC5019 数据手册

MIC5019

Ultra-Small High-Side N-Channel MOSFET Driver

with Integrated Charge Pump

General Description

Features

The MIC5019 is a high-side MOSFET driver with

integrated charge pump designed to switch an N-

Channel enhancement type MOSFET control signal in

high-side or low–side applications.

• 4-pin 1.2mm x 1.2mm Thin QFN Package

• +2.7V to +9V supply voltage range

• 16V gate drive at VDD = 9V

The MIC5019 operates from a 2.7V to 9V supply, and

generates gate voltages of 9.2V from a 3V supply, and

16V from a 9V supply. The device consumes a low 77µA

of supply current and less than 1µA of supply current in

shutdown mode.

• 8V gate drive at VDD = 2.7V

• Operates in low and high side configurations

• 150µA (typical) supply current at VDD = 5V

• <1µA shutdown supply current

In high side configurations, the source voltage of the

MOSFET approaches the supply voltage when switched

on. To keep the MOSFET turned on, the MIC5019’s

output drives the MOSFET gate voltage higher than the

supply voltage.

The MIC5019 is available in an ultra-small 4-pin 1.2mm

x 1.2mm Thin QFN Package and is rated for –40°C to

+125°C junction temperature range.

• –40˚C to +125˚C Junction Temperature Range

Applications

• Load Switch

• Solenoid Drivers

• Motor Drivers

Application Diagram

Low-Voltage High-Side Power Switch

Low-Side Power Switch

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

Preliminary and Confidential - Micrel

July 2012

12 3 4 5 6 7...12

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