Datasheet > G680HT1UF

G680HT1UF

更新时间： 2024-11-16 20:50:35

品牌	Logo	应用领域
致新 - GMT		光电二极管
页数	文件大小	规格书
1页	50K
描述
Power Management Circuit, Adjustable, 1 Channel, +1.25VV, PDSO5, SOT-23, 5 PIN

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G680HT1UF 数据手册

Global Mixed-mode Technology

G680/G681

Microprocessor Reset IC

Features

General Description

±2.5% Voltage Threshold Accuracy

The G680/G681 are microprocessor (µP) supervisory

circuits used to monitor the power supplies in µP and

digital systems. High- and Low- voltage thresholds can

be adjusted independently, allowing for wide hystere-

sis. Voltage detection thresholds are accurate to 2%.

Independently Adjustable High- and Low-

Voltage Thresholds

Fully Specified Over Temperature

Available in Three Output Configurations

Push-Pull RESET Output (G680L)

Push-Pull RESET Output (G680H)

These circuits perform a single function: they assert a

reset signal whenever the V_CCsupply voltage declines

below the low-voltage threshold, keeping it asserted

for at least 140ms after V_CChas risen above the

high-voltage threshold.

Open-Drain RESET Output (G681L)

140ms min Power-On Reset Pulse Width

4µA Supply Current

Power Supply Transient Immunity

SOT-23-5 Packages

The G681L has an open-drain output stage, while the

G680 have push-pull outputs. The G681L’s open-drain

RESET output requires a pull-up resistor that can be

connected to a voltage higher than V_CC. The G680L

Applications

Computers

have an active-low RESET output, while the G680H

has an active-high RESET output. The reset com-

parator is designed to ignore fast transients on thresh-

old input.

Controllers

Intelligent Instruments

Critical µP and µC Power Monitoring

Portable / Battery-Powered Equipment

Automotive

The IC’s power supply is separate from the detector

inputs, allowing the G680/G681 to be powered from a

down-stream supply. Low supply current (4µA, typical)

makes the G680/G681 ideal for use in portable

equipment. The G680/G681 are available in SOT

-23-5 packages.

Ordering Information

ORDER NUMBER

MARKING

TEMP.

RANGE

OUTPUT TYPE

PACKAGE

(Pb free/Green)

G680LT1Uf

G680HT1Uf

680Ax

680Bx

681Ax

Push-pull RESET

Open-Drain RESET

-40°C ~ +105°C

SOT-23-5

G681LT1Uf

Note: T1: SOT-23-5

Pin Configuration

Typical Application Circuit

V_CC

G680/G681

V_CC

HTH

Vcc

V_CC

LTH

R_PULL-UP

µP

RESET

INPUT

GND

LTH

G680/G681

RESET

(RESET)

HTH

RESET(RESET)

GND

SOT-23-5

*G681 ONLY

() is for G680H

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 2.0

Nov 23, 2012

中文翻译

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与G680HT1UF相关器件

型号	品牌	获取价格	描述	数据表
G680LT1	GMT	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +1.25VV, PDSO5, SOT-23, 5 PIN
G680LT1F	GMT	获取价格	Power Management Circuit, Fixed, +1.25VV, PDSO5
G681	ETC	获取价格	Microprocessor Reset IC
G681LT1	GMT	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +1.25VV, PDSO5, SOT-23, 5 PIN
G681LT1F	GMT	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +1.25VV, PDSO5, SOT-23, 5 PIN
G681LT1U	GMT	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, +1.25VV, PDSO5, SOT-23, 5 PIN
G682	GMT	获取价格	Low Voltage Reset IC
G682/3	GMT	获取价格	G682H/L is a Push-Pull High/Low Reset G683L i
G682H09SA31U	GMT	获取价格	Low Voltage Reset IC
G682H09SQL1U	GMT	获取价格	Low Voltage Reset IC

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