AP431Q DIODES [Diodes Incorporated], AP431Q Datasheet
AP431Q
Available stocks
Related parts for AP431Q
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 ...