APX809-23SA DIODES [Diodes Incorporated], APX809-23SA Datasheet

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APX809-23SA

Manufacturer Part Number
APX809-23SA
Description
3-PIN MICROPROCESSOR RESET CIRCUITS
Manufacturer
DIODES [Diodes Incorporated]
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
APX809-23SAG-7
Manufacturer:
DIODES/美台
Quantity:
20 000
Features
Applications
Ordering Information
Notes:
APX809/810 Rev. 3
APX809-XXSA
APX810-XXSA
APX809-XXSR
APX810-XXSR
Device
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
1. RoHS revision 13.2.2003. Glass and high temperature solder exemptions applied, see EU Directive Annex Notes 5 and 7.
Precision Monitoring of +2.5V, +3V, +3.3V, and +5V
Power-Supply Voltages
Fully Specified Over Temperature
Available in three Output Configurations
Push-Pull
Push-Pull
200ms Typ Power-On Reset Pulse Width
30µA Supply Current (Typ.)
Guaranteed Reset Valid to V
No External Components
SOT23 and SOT23R: Available in “Green” Molding
Compound (No Br, Sb)
Lead Free Finish/RoHS Compliant (Note 1)
Computers
Controllers
Intelligent Instruments
Critical µP and µC Power Monitoring
Portable/Battery Powered Equipment
Automotive
http://www.diodes.com/datasheets/ap02001.pdf.
RESET
RESET
09 : Active-Low
10 : Active-High
Enable
Package
Active High (APX810)
Code
Active Low (APX809)
SR
SR
SA
SA
CC
= +1V
29 : 2.93
26 : 2.63
23 : 2.25
46 : 4.63
44 : 4.38
40 : 4.00
31 : 3.08
Voltage
APX 8 XX XX XX X X
Packaging
(Note 2)
SOT23R
SOT23R
SOT23
SOT23
www.diodes.com
-
SR : SOT23R
SA : SOT23
1 of 9
Package
3-PIN MICROPROCESSOR RESET CIRCUITS
General Description
The APX809/810 are used for microprocessor (µP) supervisory
circuits 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 powered circuits.
These circuits perform a single function: they assert a reset
signal whenever the V
threshold, keeping it asserted for at least 240ms after V
risen above the reset threshold. Reset thresholds suitable for
operation with a variety of supply voltages are available. The
APX809/810 have push pull outputs. The APX809 have an active
low
RESET output. The reset comparator is designed to ignore fast
transients on V
correct logic state for V
the APX809/810 ideal for use in portable equipment. The
APX809/810 is available in a 3-pin SOT23 and SOT23R
package.
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
Quantity
RESET
Lead Free
G : Green
CC
output, while the APX810 has an active high
, and the outputs are guaranteed to be in the
7” Tape and Reel
CC
CC
supply voltage declines below a preset
down to 1V. Low supply current makes
-7 : Taping
Packing
APX809/810
Part Number Suffix
©
-7
-7
-7
-7
Diodes Incorporated
MARCH 2008
CC
has

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APX809-23SA Summary of contents

Page 1

... V risen above the reset threshold. Reset thresholds suitable for = +1V CC operation with a variety of supply voltages are available. The APX809/810 have push pull outputs. The APX809 have an active RESET low RESET output. The reset comparator is designed to ignore fast transients on V correct logic state for V the APX809/810 ideal for use in portable equipment ...

Page 2

... Pin Assignments ( Top View ) 1 GND 2 2 RESET (RESET) Pin Descriptions Name GND Ground Reset Output Pin RESET L: for APX809 (RESET) H: for APX810 V Operating Voltage Input CC Absolute Maximum Ratings Symbol V Supply Voltage CC V RESET, RESET (push-pull) RESET I Input Current Output Current, RESET, RESET ...

Page 3

... Thermal Resistance θ JA Junction-to-Ambient Thermal Resistance θ JC Junction-to-Case Notes: 3. Test condition for SOT23/ SOT23R: Devices mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout. APX809/810 Rev. 3 3-PIN MICROPROCESSOR RESET CIRCUITS Parameter (T = 25ºC) A =+25 A Test Conditions ...

Page 4

... Functional Description A microprocessor’s (µP’s) reset input starts the µ known state. The APX809/810 assert reset to prevent code-execution errors during power-up, power-down, or brownout conditions. They assert a reset signal whenever the V declines below a preset threshold, keeping it asserted for at least 240ms after V has risen above the reset threshold ...

Page 5

... Block Diagram V REF APX809/810 Rev. 3 3-PIN MICROPROCESSOR RESET CIRCUITS Delay Circuit www.diodes.com APX809/810 Driver RESET / RESET MARCH 2008 © Diodes Incorporated ...

Page 6

... Temperature Figure 1 Vcc Supply Current vs. Temperature (Vcc=3.3V Vth=2.93V -40℃ -25℃ 0℃ 25℃ Temperature Figure 3 APX809/810 Rev. 3 3-PIN MICROPROCESSOR RESET CIRCUITS 3.2 3.15 3.1 3.05 3 2.95 2.9 2.85 2.8 50℃ 85℃ 105℃ 125℃ 50℃ ...

Page 7

... Timing Diagram Vth Vcc Vth T Delay /RESET Vth T Delay RESET APX809/810 Rev. 3 3-PIN MICROPROCESSOR RESET CIRCUITS T Delay T Delay www.diodes.com APX809/810 MARCH 2008 © Diodes Incorporated ...

Page 8

... Marking Information (1) SOT23/SOT23R Device APX809-46SA APX809-44SA APX809-40SA APX809-31SA APX809-29SA APX809-26SA APX809-23SA APX810-46SA APX810-44SA APX810-40SA APX810-31SA APX810-29SA APX810-26SA APX810-23SA APX809-46SR APX809-44SR APX809-40SR APX809-31SR APX809-29SR APX809-26SR APX809-23SR APX810-46SR APX810-44SR APX810-40SR APX810-31SR APX810-29SR APX810-26SR APX810-23SR APX809/810 Rev. 3 3-PIN MICROPROCESSOR RESET CIRCUITS ( Top View ) Identification code ...

Page 9

... Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. APX809/810 Rev. 3 3-PIN MICROPROCESSOR RESET CIRCUITS (All Dimensions in mm) ...

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