AP431Q DIODES [Diodes Incorporated], AP431Q Datasheet

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AP431Q

Manufacturer Part Number
AP431Q
Description
ADJUSTABLE PRECISION SHUNT REGULATOR
Manufacturer
DIODES [Diodes Incorporated]
Datasheet

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Lead-free
Lead-free
Features
Ordering Information
Note:
Notes:
AP431/AP431A Rev. 5
AP431(A)SA
AP431(A)SR
AP431(A)Q
AP431(A)W
AP431(A)R
AP431(A)
AP431(A)V
(Note 4)
Device
3. Ammo Box is for TO92-3 Spread Lead.
4. Suffix “A” denotes AP431A device.
5. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
Reference Voltage
Tolerance :
1. SOT23, SOT23R are “Green” products only.
2. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
http://www.diodes.com/datasheets/ap02001.pdf.
Blank : +/- 1%
A
Precision reference voltage
Sink current capability: 200mA
Minimum cathode current for regulation: 300µA
Equivalent full-range temp coefficient: 30 ppm/
Fast turn-on response
Low dynamic output impedance: 0.2Ω
Programmable output voltage to 36V
Low output noise
Packages: SOT23, SOT23R, SOT25, SC59 (W package
code), SC59 (R package code), SOP-8L and TO92-3L
SOT23, SOT23R, SOP-8L and SC59: Available in
“Green” Molding Compound (No Br, Sb) (Note 1)
Lead Free Finish/RoHS Compliant for Lead Free and
“Green” Products (Note 2)
AP431 : 2.495V ± 1%
AP431A : 2.495V ± 0.5%
Package
: +/- 0.5%
Code
SA
SR
W
Q
R
V
Packaging
(Note 5)
A P 4 3 1 X X X X
SOT23R
TO92-3L
SOP-8L
SOT23
SOT25
SC59
SC59
Blank : SOP-8L
SA
V
W
R
Q
SR
Package
Quantity
: SOT23R
3000/Tape
3000/Tape
3000/Tape
3000/Tape
3000/Tape
: TO92-3L
: SOT23
: SOT25
: SC59
: SC 59
& Reel
& Reel
& Reel
& Reel
& Reel
7” Tape and Reel
NA
NA
www.diodes.com
o
C
1 of 14
ADJUSTABLE PRECISION SHUNT REGULATOR
Part Number
Suffix
NA
NA
G : Green
L : Lead Free
-7
-7
-7
-7
-7
Lead-Free
The AP431 and AP431A are 3-terminal adjustable precision
General Description
shunt regulators with guaranteed temperature stability over the
applicable extended commercial temperature range. The output
voltage may be set at any level greater than 2.495V (V
36V merely by selecting two external resistors that act as a
voltage divider network. These devices have a typical output
impedance of 0.2Ω. Active output circuitry provides very sharp
turn-on characteristics, making these devices excellent improved
replacements for Zener diodes in many applications.
The precise (+/-) 1% Reference voltage tolerance of the
AP431/AP431A make it possible in many applications to avoid
the use of a variable resistor, consequently saving cost and
eliminating drift and reliability problems associated with it.
Quantity
2500/Tape
& Reel
(Note 1)
13” Tape and Reel
NA
NA
NA
NA
NA
NA
Part Number
-7/-13 : Taping
AP431/AP431A
-B
-A
Suffix
-13
NA
Packing
NA
NA
NA
NA
NA
: Ammo Box
: Bulk
Quantity
2000/Box
©
NA
NA
NA
NA
NA
NA
Diodes Incorporated
MARCH 2007
Ammo Box
(Note 3)
Part Number
REF
) up to
Suffix
NA
NA
NA
NA
NA
NA
-A

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AP431Q Summary of contents

Page 1

... Notes: 3. Ammo Box is for TO92-3 Spread Lead. 4. Suffix “A” denotes AP431A device. 5. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. AP431/AP431A Rev. 5 ADJUSTABLE PRECISION SHUNT REGULATOR General Description The AP431 and AP431A are 3-terminal adjustable precision shunt regulators with guaranteed temperature stability over the applicable extended commercial temperature range ...

Page 2

Pin Assignment Pin Configuration (Top View) Package NC 1 SOT25 NC 2 CATHODE 3 SC-59 ( Package ANODE 1 Code-W) SC-59 ( Package ANODE 1 Code-R) TO92-3L AP431/AP431A Rev. 5 ADJUSTABLE PRECISION SHUNT REGULATOR Package 5 ANODE SOP-8L 4 REF ...

Page 3

Typical Application Circuit Block Diagram REF (R) Symbol AP431/AP431A Rev. 5 ADJUSTABLE PRECISION SHUNT REGULATOR AP431 (1+R1/R2)V OUT REF Precision Regulator + - V REF Anode (A) Cathode (C) REF (R) ...

Page 4

Absolute Maximum Ratings Symbol Vcv Cathode Voltage I Continuous Cathode Current CC I Reference Input Current REF T Operating Temperature OP T Storage Temperature ST Power Dissipation P D (Notes 6, 7) Note max =150° ...

Page 5

Electrical Characteristics PARAMETER Reference voltage Deviation of Reference input voltage over temperature (Note 8) Ratio of the change in Reference voltage to the change in Cathode voltage Reference input current Deviation of Reference input current over temperature Minimum Cathode current ...

Page 6

Test Circuits Input REF Fig 1. Test Circuit for REF AP431/AP431A Rev. 5 ADJUSTABLE PRECISION SHUNT REGULATOR REF V R2 REF Note:V =V (1+R1/R2)+I ...

Page 7

Typical Performance Characteristics Cathode Current vs Cathode Voltage 100 ref Ta= -100 -1.5 -0.5 0.5 Cathode Voltage (v) Reference Voltage vs Free-Air Temperature 2500 2495 2490 2485 2480 -40 -30 -20 - ...

Page 8

Typical Performance Characteristics Small-Signal Voltage Amplification vs Frequency 10K 1K f-Frequency-Hz Reference Impedance vs Frequency 100 I =10mA = 0.1 1K 10K f-Frequency-Hz AP431/AP431A Rev. 5 ...

Page 9

Typical Performance Characteristics Pulse Response Input Output t-Time-µS STABILITY BOUNDARY CONDITIONS 100 ref = ...

Page 10

Application Examples V IN R1B R1A R2A R2B LED on when Low Limit < V < High Limit IN Low Limit ≈ V (1+R1B/R2B) REF High Limit ≈ V (1+R1A/R2A) REF Fig. 4 Voltage Monitor OUT R ...

Page 11

Marking Information (1) SOT23(R)/SOT25/SC59 Marking Code (2) SOP-8L Part Number (3) TO92-3L Accuracy Blank: 2.495 + 1% A: 2.495 + 0.5% AP431/AP431A Rev. 5 ADJUSTABLE PRECISION SHUNT REGULATOR (Top View Month (A~ ...

Page 12

... Device AP431SA AP431ASA AP431SR AP431ASR AP431Q AP431AQ AP431W AP431AW AP431R AP431AR Note: 10. For Packaging Details our website at http://www.diodes.com/datasheets/ap02007.pdf. AP431/AP431A Rev. 5 ADJUSTABLE PRECISION SHUNT REGULATOR Marking Code Table Package (Note 10) Marking Code SOT23 SOT23 SOT23R SOT23R SOT25 SOT25 SC59 SC59 ...

Page 13

Package Information (1) SOT25 2.70/3.00 TOP VIEW Typ 2.80 2.90/3.10 Typ 3.00 1.00/1.30 Typ 1.10 0.013/0.10 Typ Typ 0.35/0.55 Typ 0.05 0.95 0.55 Typ 0.40 (3) SOT23(R) 0.37/0.51 TOP VIEW 0.89/ 1.03 0.45/0.60 1.80/2.00 2.80/3.00 0.013/ 0.10 0.45/0.61 AP431/AP431A Rev. ...

Page 14

Package Information (5) TO92-3L for Ammo pack Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out ...

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