Datasheet > G682H12TTA1U

G682H12TTA1U

更新时间： 2024-11-17 00:32:31

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描述
Low Voltage Reset IC

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G682H12TTA1U 数据手册

G682/G683

Global Mixed-mode Technology

Low Voltage Reset IC

Features

General Description

Monitor Supply Voltages from 0.9V to 1.8V

The G682/G683 microprocessor (µP) supervisory cir-

cuits monitor system voltages in µP and digital sys-

tems. They provide excellent circuit reliability at low

cost by eliminating external components.

±2% Reset Threshold Accuracy

Capacitor-Adjustable Reset Timeout Period

_RP(ms) ≅ 2.7 × C_D(nF) at VCC=3.3V

Low Quiescent Current : 10µA at VCC =3.3V

Available in three RESET Output Options

Since the sense pin is separated from power supply, it

allows the IC to monitor added power supply. Using

the IC with the sense pin separated from power supply

enables output to maintain the state of detection even

when voltage of the monitored power supply drops to

0V. The VSEN pin of G68_ _09T_ is high impedance

and can be used for application of reset threshold

programming.

Push-Pull RESET Output (G682L)

Push-Pull RESET Output (G682H)

Open-Drain RESET (G683L)

Programmable Reset Threshold Application

(G68_ _09T_)

Guaranteed Reset Valid to VCC = 1V

Power-Supply Transient Immunity

SOT-23-5, SC-70-5, DFN1.6X1.6-6 and

ADFN1.5X1.5-6 Packages

Moreover, with the built-in delay circuit, connecting the

delay capacitance pin to the capacitor enables the IC

to provide an arbitrary release delay time.

All of these devices are offered in SOT-23-5, SC-70-5,

DFN1.6X1.6-6 and ADNF1.5X1.5-6 packages.

Applications

Computers

Controllers

Intelligent Instruments

Critical µP and µC Power Monitoring

Portable/Battery-Powered Equipment

Telecom/Networking Equipment

Pin Configuration

Typical Application Circuit

VCC

G682/G683 T12/TA2

G682/G683 T11/TA1

*100kΩ

RESET

(RESET)

RESET

(RESET)

VCC

Detect

Voltage

VSEN

RESET

(RESET)

GND

VCC

GND

VSEN

SOT-23-5/SC-70-5

G682/G683

SOT-23-5/SC-70-5

VCC

G682/G683

Detect

Voltage

100kΩ

RESET

(RESET)

RESET

(RESET)

VCC

RESET

(RESET)

Thermal

Pad

GND

VCC

GND

VSEN

GND

DFN1.6X1.6-6

Note: Recommend connecting the Thermal Pad

ADFN1.5X1.5-6

to the Ground for excellent power dissipation.

The 100kΩ pull up resistor is only for G683L

**Adjustable reset threshold voltage is only for G68__09T_.

()is for G682H

R1+R2

V_th= 0.788 ×

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 0.8

Feb 27, 2013

12 3 4 5 6 7...18

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