APX812-29UG-7 Diodes Inc, APX812-29UG-7 Datasheet

IC SUPERVISOR 2.93V SOT143-4

APX812-29UG-7

Manufacturer Part Number
APX812-29UG-7
Description
IC SUPERVISOR 2.93V SOT143-4
Manufacturer
Diodes Inc
Type
Simple Reset/Power-On Resetr
Datasheet

Specifications of APX812-29UG-7

Number Of Voltages Monitored
1
Output
Push-Pull, Totem Pole
Reset
Active High
Reset Timeout
140 ms Minimum
Voltage - Threshold
2.93V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-143, SOT-143B, TO-253AA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
APX812-29UG-7
Manufacturer:
DIODES
Quantity:
3 000
Part Number:
APX812-29UG-7
Manufacturer:
DIODES/美台
Quantity:
20 000
Features
Applications
Typical Application Circuit
APX811/812 Rev. 2
DS31960
Precision Monitor of(2.5V/3.0V/3.3V/5.0V) power
supply voltage
Full specified over temperature
Manual reset input
Available in four output configuration
Push-pull
Push-pull RESET Active high(APX812)
Power-on reset generator with fixed delay time 200ms
SOT143: Available in “Green” Molding Compound
Lead Free Finish/RoHS Compliant (Note 1)
Computers
Controllers
Intelligent Instruments
Critical uP and UC power Monitoring
Portable/Battery powered Equipment
Automotive
(No Br, Sb)
(Manual Reset)
Push Botton
RESET
Vcc
Active low(APX811)
MR
4-Pin Microprocessor Supervisor With Manual Reset
www.diodes.com
APX811/APX812
1 of 10
GND
Vcc
General Description
The APX811/812 are used for microprocessor supervisory circuit
to monitor the power supplies in These circuit 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 240ms after Vcc has risen above the reset threshold.
Reset thresholds suitable for operation with a variety of supply
voltages are available. The APX811/812 have push-pull outputs.
The APX811 has an active low
APX812 has an active high RESET output.
The APX811/812 devices incorporate a manual reset input,
A low level at
The APX811/2 are targeted at 2.5V, 3V, 3.3V and 5V powered
systems and are available with different threshold voltages to
meet the exact needs of the system. They are available in the
space saving SOT143 package and operate over the whole
industrial temperature range, -40 to 85°C.
(RESET)
RESET
MR
causes RESET to become active.
RESET Input
MCU
APX811/812
GND
Vcc
RESET
©
OCTOBER 2009
Diodes Incorporated
output, while the
MR
.

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APX812-29UG-7 Summary of contents

Page 1

... Vcc has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. The APX811/812 have push-pull outputs. The APX811 has an active low APX812 has an active high RESET output. The APX811/812 devices incorporate a manual reset input low level at causes RESET to become active ...

Page 2

... GND (RESET) RESET Pin Descriptions Pin Name Description GND Ground Reset output Pin RESET L: for APX811 (RESET) H: for APX812 VCC Operating Voltage Input Manual reset (Active Low) MR APX811/812 Rev. 2 DS31960 4-Pin Microprocessor Supervisor With Manual Reset APX Voltage Package Green 46 : 4.63 ...

Page 3

... Input Voltage IN T Operating Ambient Temperature A APX811/812 Rev. 2 DS31960 4-Pin Microprocessor Supervisor With Manual Reset Delay Circuit MR Parameter Parameter www.diodes.com APX811/812 Driver RESET Rating Unit 3 kV 500 V -0.3~7 V -0.3 to (Vcc+0. 320 mW Min Max Unit 1.1 5 +0. - OCTOBER 2009 © Diodes Incorporated ...

Page 4

... RESE T Output Voltage-High V OH (APX811) RESET Output Voltage-Low V OL (APX812) RESET Output Voltage-High V OH (APX812) Thermal Resistance θ JA Junction-to-Ambient Thermal Resistance θ JC Junction-to-Case Notes: 3. Test condition for SOT143: Device mounted on FR-4 substrate, 1"*1", 2oz, copper, single-sided, PC boards. Timing requirements Symbol ...

Page 5

... V +0.2V RESET delay × (APX811/812) × -0.2V RESET delay (APX811/812 +0. RESET vs. Vcc Timing Diagram RESET vs. /MR Timing Diagram www.diodes.com APX811/812 Min Typ. Max Unit 140 200 280 0.1 µ µ 0.1 µ µ OCTOBER 2009 © Diodes Incorporated ...

Page 6

... Microprocessor Supervisor With Manual Reset RESET Threshold Voltage vs. Temperature 3.2 3.15 3.1 3.05 3 2.95 2.9 2.85 2.8 -40℃ -25℃ 0℃ 1. www.diodes.com APX811/812 25℃ 50℃ 85℃ 105℃ 125℃ Temperature Supply Curreny vs. Vcc 2.5V 3.3V 4.0V 5.0V 5.5V Vcc OCTOBER 2009 © Diodes Incorporated ...

Page 7

... V APX811/812 have a push-pull output stage. The APX811/812 reset output is guaranteed to be logic low for the APX811 and high the APX812 for V reset threshold, an internal timer keeps RESET interval, the APX811’s output goes high (APX812’ ...

Page 8

... Device APX811-46U APX811-44U APX811-40U APX811-31U APX811-29U APX811-26U APX811-23U APX812-46U APX812-44U APX812-40U APX812-31U APX812-29U APX812-26U APX812-23U APX811/812 Rev. 2 DS31960 4-Pin Microprocessor Supervisor With Manual Reset Identification code Y : Year 0 Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : A~Z : Green 2 Package Identification Code ...

Page 9

... Package Information (1) Package Type: SOT143 1.78/2.03 1.58/1.83 0.77/0.93 0.37/0.51 2.80/3.0 APX811/812 Rev. 2 DS31960 4-Pin Microprocessor Supervisor With Manual Reset (All Dimensions in mm) 0.45/0.6 0.46/0 www.diodes.com APX811/812 OCTOBER 2009 © Diodes Incorporated ...

Page 10

... Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. ...

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