Datasheet > MIC2775

MIC2775

更新时间： 2023-12-06 20:08:58

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
18页	877K
描述
The MIC2775 is a power supply supervisor that provides undervoltage monitoring, manual reset capab

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MIC2775 数据手册

MIC2775

Micropower Low Voltage Supervisor

Features

General Description

• Monitors Power Supply for Undervoltage

Conditions

The MIC2775 is a power supply supervisor that

provides undervoltage monitoring, manual reset

capability, and power-on reset generation in a compact

5-lead SOT-23 package. Features include an

undervoltage detector, a delay generator, a manual

reset input, and both active-high and active-low reset

outputs. The undervoltage detector compares V_DD

against a fixed threshold. Ten factory-programmed

thresholds are available.

• Choice of Factory-Programmed Thresholds

• Generates 140 ms (Minimum) Power-On Reset

Pulse

• Manual Reset Capability

• Both Active-High and Active-low Reset Outputs

• /RST Output Valid Down to 1.2V

• Ultra-Low Supply Current, 3.5 μA Typical

• Rejects Brief Input Transients

The reset outputs are asserted for no less than 140 ms

at power-on and any time the input voltage drops below

the reference voltage. It remains asserted for the

timeout period after the input voltage subsequently

rises back above the threshold boundary. A reset can

be generated at any time by asserting the manual reset

input, /MR. This reset output will remain active at least

140 ms after the release of /MR. The /MR input can

also be used to daisy-chain the MIC2775 onto existing

power monitoring circuitry or other supervisors.

Hysteresis is included to prevent chattering due to

noise. Typical supply current is an ultra-low 3.5 μA.

• No External Components

• Available in 5-Lead SOT-23 Package

Applications

• Monitoring Processor Core and Input/Output

Voltages

• Computer Systems

• PDAs/Handheld PCs

• Embedded Controllers

• Telecommunications Systems

• Power Supplies

Package Type

MIC2775

5-Lead SOT-23 (M5)

(Top View)

 2022 Microchip Technology Inc. and its subsidiaries

DS20006716A-page 1

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