Datasheet > MIC2008

MIC2008

更新时间： 2023-12-06 20:02:15

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
38页	3925K
描述
MIC20XX family of switches are current limiting, high-side power switches, designed for general pu

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MIC20XX

Fixed and Adjustable Current Limiting Power Distribution Switches

Features

General Description

MIC20X3 - MIC20X9

The MIC20XX family of switches are current limiting,

high-side power switches, designed for general

purpose power distribution and control in digital

televisions (DTV), printers, set top boxes (STB), PCs,

PDAs, and other peripheral devices (see MIC20XX

Family Package Types and the MIC20XX Family

Member Functionality table).

- 70 mΩ Typical On-Resistance @ 5V

MIC2005A/20X9A

- 170 mΩ Typical On-Resistance @ 5V

• Enable Active-High or Active-Low

• 2.5V to 5.5V Operating Range

MIC20XX family’s primary functions are current limiting

and power switching. They are thermally protected and

will shutdown should their internal temperature reach

unsafe levels, protecting both the device and the load,

under high-current or fault conditions.

• Pre-Set Current Limit Values of 0.5A, 0.8A, and

1.2A*

• Adjustable Current Limit 0.2A to 2.0A*

(MIC20X7-MIC20X9)

• Adjustable Current Limit 0.1A to 0.9A*

(MIC20X9A)

Features include fault reporting, fault blanking to

eliminate noise-induced false alarms, output slew rate

limiting, under voltage detection, automatic-on output,

and enable pin with choice of either active low or active

high enable. The FET is self-contained, with a fixed- or

user-adjustable current limit. The MIC20XX family is

ideal for any system where current limiting and power

control are desired.

• Undervoltage Lockout (UVLO)

• Variable UVLO Allows Adjustable UVLO

Thresholds*

• Automatic Load Discharge for Capacitive Loads*

• Soft-Start Prevents Large Current Inrush

• Adjustable Slew Rate Allows Custom Slew Rates*

• Automatic-On Output After Fault

The MIC201X (3 ≤ X ≤ 9) and MIC2019A switches offer

a unique new patented feature: Kickstart which allows

momentary high-current surges up to the secondary

current limit (I_LIMIT_2nd) without sacrificing overall

system safety.

• Thermal Protection

* Available on some family members

Applications

The MIC20XX family is offered, depending on the

desired features, in a space-saving 5-lead SOT-23,

6-lead SOT-23, and 2 mm x 2 mm DFN packages.

• Digital Televisions (DTV)

• Set Top Boxes

• PDAs

• Printers

• USB / IEEE 1394 Power Distribution

• Desktop and Laptop PCs

• Game Consoles

• Docking Stations

 2021 - 2022 Microchip Technology Inc. and its subsidiaries

DS20006486C-page 1

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