Datasheet > MIC5018_06

MIC5018_06

更新时间： 2024-11-23 11:49:39

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器
页数	文件大小	规格书
8页	209K
描述
IttyBittyâ¢ High-Side MOSFET Driver

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中文翻译

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MIC5018_06 数据手册

MIC5018

IttyBitty^™High-Side MOSFET Driver

General Description

Features

The MIC5018 IttyBitty™ high-side MOSFET driver is

designed to switch an N-channel enhancement-type

MOSFET from a TTL compatible control signal in high- or

low-side switch applications. This driver features the tiny

4-lead SOT-143 package.

• +2.7V to +9V operation

• 150µA typical supply current at 5V supply

• ≤1µA typical standby (off) current

• Charge pump for high-side low-voltage applications

• Internal zener diode gate-to-ground MOSFET protection

• Operates in low- and high-side configurations

• TTL compatible input

The MIC5018 is powered from a +2.7V to +9V supply

and features extremely low off-state supply current.

An internal charge pump drives the gate output higher

than the driver supply voltage and can sustain the gate

voltage indefinitely. An internal zener diode limits the

gate-to-source voltage to a safe level for standard

N-channel MOSFETs.

• ESD protected

Applications

In high-side configurations, the source voltage of the

MOSFET approaches the supply voltage when switched

on. To keep the MOSFET turned on, the MIC5018’s output

drives the MOSFET gate voltage higher than the supply

voltage. In a typical high-side configuration, the driver is

powered from the load supply voltage. Under some

conditions, the MIC5018 and MOSFET can switch a load

voltage that is slightly higher than the driver supply

voltage.

• Battery conservation

• Power bus switching

• Solenoid and motion control

• Lamp control

In a low-side configuration, the driver can control a

MOSFET that switches any voltage up to the rating of the

MOSFET. The gate output voltage is higher than the

typical 3.3V or 5V logic supply and can fully enhance a

standard MOSFET.

The MIC5018 is available in the SOT-143 package and is

rated for –40°C to +85°C ambient temperature range.

Typical Applications

+5V

‡

V_{LOAD SUPPLY}

^‡Load voltage limited only by

MOSFET drain-to-source rating

* Siliconix

30m , 7A max., 30VV_DSmax.

8-lead SOIC package

MIC5018

IRFZ24*

N-Channel

MOSFET

4.7µF

+2.7 to +9V

CTL GND

Off

MIC5018

4.7µF

Si9410DY*

N-channel

MOSFET

* International Rectifier

100m , 17A max.

TO-220 package

CTL GND

Off

Low-Voltage High-Side Power Switch

Low-Side Power Switch

IttyBitty is a trademark of Micrel, Inc.

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

M9999-042406

(408) 955-1690

April 2006

12 3 4 5 6 7 8

中文翻译

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与MIC5018_06相关器件

型号	品牌	获取价格	描述	数据表
MIC5018BM4	MICREL	获取价格	IttyBitty⑩ High-Side MOSFET Driver Preliminar
MIC5018BM4	MICROCHIP	获取价格	Buffer/Inverter Based MOSFET Driver, MOS, PDSO4, SOT-143, 4 PIN
MIC5018BM4	ROCHESTER	获取价格	BUF OR INV BASED MOSFET DRIVER, PDSO4, SOT-143, 4 PIN
MIC5018BM4T&R	MICROCHIP	获取价格	Buffer/Inverter Based MOSFET Driver, MOS, PDSO4, SOT-143, 4 PIN
MIC5018YM4TR	MICROCHIP	获取价格	BUF OR INV BASED MOSFET DRIVER, PDSO4, LEAD FREE, SOT-143, 4 PIN
MIC5019	MICREL	获取价格	Ultra-Small High-Side N-Channel MOSFET Driver with Integrated Charge Pump
MIC5019	MICROCHIP	获取价格	The MIC5019 is a high-side MOSFET gate driver with integrated charge pump designed to swit
MIC5019_EB	MICREL	获取价格	Ultra-Small High-Side N-Channel MOSFET Driver with Integrated Charge Pump
MIC5019YFT	MICREL	获取价格	Ultra-Small High-Side N-Channel MOSFET Driver with Integrated Charge Pump
MIC5019YFT-T5	MICROCHIP	获取价格	IC MOSFET DVR HIGH-SIDE 4TDFN

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