Datasheet > MIC2776

MIC2776

更新时间： 2023-12-06 20:03:47

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
20页	1803K
描述
The MIC2776 is a power supply supervisor which provides under-voltage monitoring and power-on rese

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MIC2776 数据手册

MIC2776

Micropower Low Voltage Supervisor

Features

General Description

• User-Adjustable Input Can Monitor Supplies as

Low as 0.3V

The MIC2776 is a power supply supervisor that

provides undervoltage monitoring and power-on reset

generation in a compact 5-lead SOT-23 package.

Features include an adjustable undervoltage detector,

a delay generator, a manual reset input, and a choice

of active-high, active-low, or open-drain active-low

reset output. The user-adjustable monitoring input is

compared against a 300 mV reference. This low

reference voltage allows monitoring voltages lower

than those supported by previous supervisor ICs.

• ±1.5% Threshold Accuracy

• Separate V_DDInput

• Generates Power-On Reset Pulse (140 ms min.)

• Manual Reset Input

• Choice of Active-High, Active-Low or Open-Drain

Active-Low Reset Output

• Inputs Can be Pulled Above V_DD(7V abs. max.)

• Open-Drain Output Can be Pulled Above V_DD

(7V abs.max.)

The reset output is 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. The 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 MIC2776 onto existing

power monitoring circuitry or other supervisors.

Hysteresis is included to prevent chattering due to

noise. Typical supply current is a low 3.0 μA.

• Ultra-Low Supply Current, 3.0 μA Typical

• Rejects Brief Input Transients

• Available in 5-Lead SOT-23 Package

Applications

• Monitoring Processor, ASIC, or FPGA Core

Voltage

• Computer Systems

• PDAs/Handheld PCs

• Embedded Controllers

• Telecommunications Systems

• Power Supplies

• Wireless/Cellular Systems

• Networking Hardware

Package Types

MIC2776

5-Lead SOT-23 (M5)

(Top View, “H” Version)

5-Lead SOT-23 (M5)

(Top View, “L” and “N” Versions)

/MR GND RST

/MR GND /RST

VDD

 2022 Microchip Technology Inc. and its subsidiaries

DS20006705A-page 1

12 3 4 5 6 7...20

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与MIC2776相关器件

型号	品牌	获取价格	描述	数据表
MIC2776_05	MICREL	获取价格	Micro-Power Low Voltage Supervisor
MIC2776H-BM5	MICREL	获取价格	Micro-Power Low Voltage Supervisor
MIC2776H-BM5	MICROCHIP	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, PDSO5, SOT-23, 5 PIN
MIC2776H-BM5TR	MICROCHIP	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, PDSO5, SOT-23, 5 PIN
MIC2776H-YM5TR	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, LEAD FREE, SOT-23, 5 PIN
MIC2776H-YM5-TR	MICROCHIP	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
MIC2776L-BM5	MICREL	获取价格	Micro-Power Low Voltage Supervisor
MIC2776L-BM5	MICROCHIP	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, PDSO5, SOT-23, 5 PIN
MIC2776L-BM5TR	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, SOT-23, 5 PIN
MIC2776L-BM5TR	MICROCHIP	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, PDSO5, SOT-23, 5 PIN

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