Datasheet > MIC2026A

MIC2026A

更新时间： 2024-09-30 07:16:59

品牌	Logo	应用领域
麦瑞 - MICREL		开关
页数	文件大小	规格书
16页	577K
描述
Dual-Channel Power Distribution Switch

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数据手册

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MIC2026A 数据手册

MIC2026A/2076A

Dual-Channel Power Distribution Switch

General Description

Features

• 100mΩ typical R_DS(ON)at 5.0V

The MIC2026A and MIC2076A are high-side MOSFET

switches optimized for general-purpose power distribution

requiring circuit protection. The MIC2026A is particularly

well suited for USB applications.

• 140mΩ maximum R_DS(ON)at 5.0V

• 2.7 V to 5.5 V operating range

• 500mA minimum continuous current per channel

• Short circuit protection with thermal shutdown

• Thermally isolated channels

The MIC2026A/2076A are internally current limited and

have thermal shutdown that protects the device and load.

The MIC2076A offers “smart” shutdown that reduces

current consumption in fault modes. When the MIC2076A

goes into thermal shutdown due to current limiting, the

output is latched off until the switch is reset. The

MIC2076A can be reset by removing the load, toggling the

enable input, or cycling VIN.

• Soft-start circuit

• Fault status flag with 3ms filter eliminates false

assertions

• UVLO (Undervoltage lockout)

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

• Circuit breaker mode (MIC2076A)

• Pin compatible with the MIC2026/2076

• Logic-compatible inputs

Both devices employ soft-start circuitry that minimizes

inrush current in applications where highly capacitive loads

are employed.

A fault status output flag is asserted during overcurrent or

thermal shutdown conditions. Transient faults are internally

filtered.

• Low quiescent current

Applications

• USB peripherals

The MIC2026A/2076A are available in an 8-pin SOIC

package.

• General purpose power switching

• ACPI power distribution

• Notebook PCs

All support documentation can be found on Micrel’s web

site at www.micrel.com.

• PDAs

• PC card hot swap

_______________________________________________________________________________________________

Typical Application

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

M9999-072309-B

(408) 955-1690

July 2009

12 3 4 5 6 7...16

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