Datasheet > MCP121

MCP121

更新时间： 2024-02-24 00:18:26

品牌	Logo	应用领域
美国微芯 - MICROCHIP		监控
页数	文件大小	规格书
24页	460K
描述
Micropower Voltage Supervisors

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中文翻译

获取价格

数据手册

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MCP121 数据手册

MCP102/103/121/131

Micropower Voltage Supervisors

Features

Package Types

SOT23-3/SC-70

• Ultra low supply current: 1.75 µA (steady state max.)

TO-92

•

Precision monitoring options of:

- 1.90V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V

and 4.63V

RST

V_DD

• Resets microcontroller in a power-loss event

• RST pin (Active-low):

V_SS

RST

V_SS

V_DD

- MCP121: Active-low, open-drain

- MCP131: Active-low, open-drain with internal

pull-up resistor

SOT23-3/SC-70

- MCP102 and MCP103: Active-low, push-pull

• Reset Delay Timer (120 ms delay typical)

V_SS

• Available in SOT23-3, TO-92 and SC70 packages

•

Temperature Range:

V_DD

- Extended: -40°C to +125°C

(except MCP1XX-195)

RST

- Industrial: -40°C to +85°C (MCP1XX-195 only)

• Lead Free Packaging

Applications

Block Diagram

• Critical Microcontroller and Microprocessor Power

Monitoring Applications

V_DD

R ⁽¹⁾

• Computers

• Intelligent Instruments

• Portable Battery-Powered Equipment

Comparator

–

Reset

Delay

Circuit

Output

Driver

General Description

RST

The MCP102/103/121/131 are voltage supervisor

devices designed to keep a microcontroller in reset

until the system voltage has reached and stabilized at

the proper level for reliable system operation. The table

below shows the available features for these devices.

Band Gap

Reference

V_SS

Note 1: MCP131 Only

Comment

TABLE 1:

Device

DEVICE FEATURES

Output

Reset

Delay (typ)

Package Pin Out

(Pin # 1, 2, 3)

Type

Pull-up Resistor

MCP102 Push-Pull

MCP103 Push-Pull

120 ms

RST, V_DD, V_SS

VSS, RST, V_DD

RST, V_DD, V_SS

V_OUT, V_SS, V_DD

MCP121 Open-Drain External

MCP131 Open-Drain Internal (~95 kΩ) 120 ms

MCP111 Open-Drain External

See MCP111/112 Data Sheet

(DS21889)

MCP112 Push-Pull No

V_OUT, V_SS, V_DD

See MCP111/112 Data Sheet

(DS21889)

 2004 Microchip Technology Inc.

DS-21906A-page 1

12 3 4 5 6 7...24

中文翻译

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与MCP121相关器件

型号	品牌	获取价格	描述	数据表
MCP121-195	MICROCHIP	获取价格	Micropower Voltage Detector
MCP121-195E/LB	MICROCHIP	获取价格	Micropower Voltage Supervisors
MCP121-195E/TO	MICROCHIP	获取价格	Micropower Voltage Supervisors
MCP121-195E/TT	MICROCHIP	获取价格	Micropower Voltage Supervisors
MCP121-195I/LB	MICROCHIP	获取价格	Micropower Voltage Supervisors
MCP121-195I/TO	MICROCHIP	获取价格	Micropower Voltage Supervisors
MCP121-195I/TT	MICROCHIP	获取价格	Micropower Voltage Supervisors
MCP121-240	MICROCHIP	获取价格	Micropower Voltage Detector
MCP121-240E/LB	MICROCHIP	获取价格	Micropower Voltage Supervisors
MCP121-240E/SNG	MICROCHIP	获取价格	1uA Supervisor Open Drain Active Low, -40C to +125C, 8-SOIC 150mil, TUBE