Datasheet > 暂无类别数据> MIC2077-2YWMTR

MIC2077-2YWMTR

更新时间： 2024-01-15 15:07:22

品牌	Logo	应用领域
麦瑞 - MICREL		电源电路开关电源管理电路光电二极管
页数	文件大小	规格书
17页	1390K
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MIC2077-2YWMTR 数据手册

MIC2027/2077

Quad USB Power Distribution Switch

General Description

Features

The MIC2027 and MIC2077 are quad high-side MOSFET

switches optimized for general-purpose power distribution

requiring circuit protection. The MIC2027/77 are internally

current limited and have thermal shutdown that protects

the device and load.

• 150mΩ maximum on-resistance per channel

• 2.7V to 5.5V operating range

• 500mA minimum continuous current per channel

• Short-circuit protection with thermal shutdown

• Thermally isolated channels

• Fault status flag with 3ms filter eliminates false

assertions

• Undervoltage lockout

The MIC2077 offers “smart” thermal shutdown that

reduces current consumption in fault modes. When a

thermal shutdown fault occurs, the output is latched off

until the faulty load is removed. Removing the load or

toggling the enable input will reset the device output.

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

• Circuit breaker mode (MIC2077) reduces power

Both devices employ soft-start circuitry that minimizes

inrush current in applications where highly capacitive loads

are employed.

consumption

• Logic-compatible inputs

• Soft-start circuit

• Low quiescent current

A fault status output flag is asserted during overcurrent

and thermal shutdown conditions. Transient current limit

faults are internally filtered.

• Pin compatible with MIC2524 and MIC2527

The MIC2027/77 are available in 16-pin narrow (150 mil)

and wide (300 mil) SOIC packages.

Applications

• USB peripherals

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

• General purpose power switching

• ACPI power distribution

• Notebook PCs

• PDAs

• PC card hot swap

Typical Application

4-Port Self-Powered Hub

UL Recognized Component

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

M9999-091506

September 2006

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