Datasheet > MIC5018BM4

MIC5018BM4

更新时间： 2024-11-22 22:24:23

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器接口集成电路光电二极管
页数	文件大小	规格书
7页	62K
描述
IttyBitty⑩ High-Side MOSFET Driver Preliminary Information

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中文翻译

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MIC5018BM4 数据手册

MIC5018

Micrel

MIC5018

IttyBitty™ High-Side MOSFET Driver

Preliminary Information

General Description

Features

The MIC5018 IttyBitty™ high-side MOSFET driver is de-

signed 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

• Battery conservation

• Power bus switching

• Solenoid and motion control

• Lamp control

In high-side configurations, the source voltage of the MOS-

FET 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

theloadsupplyvoltage. Undersomeconditions,theMIC5018

and MOSFET can switch a load voltage that is slightly higher

than the driver supply voltage.

Ordering Information

Part Number

Temp. Range

Package

Marking

MIC5018BM4

–40°C to +85°C

SOT-143

H10

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

30mΩ, 7A max., 30V V_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

100mΩ, 17A max.

TO-220 package

CTL GND

Off

Low-Voltage High-Side Power Switch

Low-Side Power Switch

1997

5-155

12 3 4 5 6 7

中文翻译

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MIC5018BM4 替代型号

型号	品牌	替代类型	描述	数据表
MIC5018YM4TR	MICROCHIP	功能相似	BUF OR INV BASED MOSFET DRIVER, PDSO4, LEAD FREE, SOT-143, 4 PIN

与MIC5018BM4相关器件

型号	品牌	获取价格	描述	数据表
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
MIC5019YFT-TR	MICROCHIP	获取价格	BUF OR INV BASED MOSFET DRIVER
MIC502	MICREL	获取价格	Fan Management IC Advance Information
MIC502_06	MICREL	获取价格	Fan Management IC

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