Datasheet > MIC2073

MIC2073

更新时间： 2024-11-06 10:57:23

品牌	Logo	应用领域
麦瑞 - MICREL		开关
页数	文件大小	规格书
16页	571K
描述
Dual-Channel Power Distribution Switch

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MIC2073 数据手册

MIC2073/2074

Dual-Channel Power Distribution Switch

General Description

Features

• 115 mΩ typical R_DS(ON)

at 5.0 V

The MIC2073/2074 are high-side MOSFET switches

optimized for general-purpose power distribution requiring

circuit protection.

• 210 mΩ maximum R_DS(ON)at 5.0 V

• 2.7 V to 5.5 V operating range

The MIC2073/2074 are internally current limited and have

thermal shutdown for protecting the device and load.

• 500 mA minimum continuous current per channel

• Short circuit protection with thermal shutdown

• Thermally isolated channels

• Fault status flag (FLGA/B) separate for each channel

• 3ms fault flag delay (T_D) eliminates false assertions

• UVLO (Undervoltage Lockout)

The MIC2074 offers “smart” shutdown that reduces current

consumption in fault mode. When a fault occurs due to

thermal shutdown, the output is latched off.

The

MIC2074s’ output will be reset, enabling the output, either

by removing the load or toggling the ENABLE pin.

Both devices employ soft-start circuitry that minimizes

inrush current in applications where highly capacitive loads

are employed.

• Reverse current flow blocking (no “body diode”)

• Circuit breaker mode (MIC2074)

• Logic-compatible inputs

• Soft-start circuit

• Low quiescent current

A fault status output flag is asserted during overcurrent or

thermal shutdown conditions. Transient faults are internally

filtered.

• Pin compatible with the MIC2026/2076

The MIC2073/2074 are available in an 8-pin SOIC.

All support documentation can be found on Micrel’s web

site at: www.micrel.com.

Applications

• USB peripherals

• General purpose power switching

• ACPI power distribution

• Notebook PCs

• PDAs

• PC card hot swap

_________________________________________________________________________________________________

Typical Application

V_CC

2.7V to 5.5V

V_CONT.

10k

Logic Controller

MIC2073/74

VIN

ON/OFF

Load

0.1µF

Load

ENA

OUTA

OVERCURRENT

ON/OFF

FLGA

FLGB

ENB

GND

OUTB

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

January 2009 M9999-011209

12 3 4 5 6 7...16

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与MIC2073相关器件

型号	品牌	获取价格	描述	数据表
MIC2073-1YM	MICREL	获取价格	Dual-Channel Power Distribution Switch
MIC2073-1YM-TR	MICREL	获取价格	Buffer/Inverter Based Peripheral Driver, PDSO8, LEAD FREE, SOIC-8
MIC2073-2YM	MICREL	获取价格	Dual-Channel Power Distribution Switch
MIC2073-2YM-TR	MICREL	获取价格	Buffer/Inverter Based Peripheral Driver, PDSO8, LEAD FREE, SOIC-8
MIC2074	MICREL	获取价格	Dual-Channel Power Distribution Switch
MIC2074-1YM	MICREL	获取价格	Dual-Channel Power Distribution Switch
MIC2074-2YM	MICREL	获取价格	Dual-Channel Power Distribution Switch
MIC2074-2YM-TR	MICREL	获取价格	Buffer/Inverter Based Peripheral Driver, PDSO8, LEAD FREE, SOIC-8
MIC2075	MICREL	获取价格	Single-Channel Power Distribution Switch MM8?
MIC2075	MICROCHIP	获取价格	The MIC2025 and MIC2075 are high-side MOSFET switches optimized for general-purpose power

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