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G692L293TAU

更新时间： 2024-11-07 21:06:51
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Power Management Circuit

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G692L293TAU 数据手册

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Global Mixed-mode Technology Inc.  
G692/G693  
4-Pin µP Voltage Monitors with Manual Reset Input  
Features  
General Description  
The G692/G693 are microprocessor (µP) supervisory  
circuits used to monitor the power supplies in µP and  
digital systems. They provide excellent circuit reliability  
and low cost by eliminating external components and  
adjustments when used with +5V, +3.3V, +3.0V- pow-  
ered circuits. The G692/G693 also provide a de-  
bounced manual reset input.  
„ Precision Monitoring of +3V, +3.3V, and +5V  
Power-Supply Voltages  
„ Fully Specified Over Temperature  
„ Available in Three Output Configurations  
Push-Pull RESET Output (G692L)  
Push-Pull RESET Output (G692H)  
Open-Drain RESET Output (G693L)  
„ 140ms Min Power-On Reset Pulse Width  
„ 14µA Supply Current  
„ Guaranteed Reset Valid to VCC = +1V  
„ Power Supply Transient Immunity  
„ No External Components  
These circuits perform a single function: they assert a  
reset signal whenever the VCC supply voltage declines  
below a preset threshold, keeping it asserted for at  
least 140ms after VCC has risen above the reset  
threshold. Reset thresholds suitable for operation with  
a variety of supply voltages are available.  
„ Manual Reset Input  
„ 4-Pin SOT-143 and 5-Pin SC-70 Package  
„ 2% Threshold Accuracy  
The G693L has an open-drain output stage, while the  
G692 have push-pull outputs. The G693L's open-drain  
RESET output requires a pull-up resistor that can be  
connected to a voltage higher than VCC.  
Applications  
The G692L have an active-low RESET output, while  
the G692H has an active-high RESET output. The re-  
set comparator is designed to ignore fast transients on  
VCC, and the outputs are guaranteed to be in the cor-  
rect logic state for VCC down to 1V.  
„ Computers  
„ Controllers  
„ Intelligent Instruments  
„ Critical µP and µC Power Monitoring  
„ Portable / Battery-Powered Equipment  
„ Automotive  
Low supply current makes the G692/G693 ideal for use  
in portable equipment. The G692/G693 are available in  
a 4-pin SOT-143 and 5-Pin SC-70 packages.  
Ordering Information  
ORDER NUMBER  
ORDER NUMBER  
TEMP. RANGE  
PACKAGE  
(Pb free)  
G692HxxxTCU  
G692LxxxTCU  
G692HxxxTCUf  
G692LxxxTCUf  
G693LxxxTCUf  
G692HxxxTAUf  
G692LxxxTAUf  
G693LxxxTAUf  
-40°C~+105°C  
-40°C~+105°C  
-40°C~+105°C  
-40°C~+105°C  
-40°C~+105°C  
-40°C~+105°C  
SOT-143  
SOT-143  
SOT-143  
SC-70-5  
SC-70-5  
SC-70-5  
G693LxxxTCU  
G692HxxxTAU  
G692LxxxTAU  
G693LxxxTAU  
xxx specifies the threshold  
e.g. 263 denotes voltage the 2.64V threshold voltage.  
Pin Configuration  
Typical Application Circuit  
G692/G693  
G692/G693  
VCC  
4
3
1
5
4
VCC  
MR  
GND  
GND  
VCC  
GND  
VCC  
1
2
RPULL-UP  
*
2
3
µP  
RESET  
INPUT  
G692/G693  
RESET  
MR  
(RESET)  
VCC  
MR  
RESET  
RESET  
GND  
(RESET)  
(RESET)  
GND  
SC-70-5  
SOT-143  
*G693 ONLY  
()is for G692H  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 1.7  
May 19, 2006  
1
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