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KA431SMF2 View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
KA431SMF2 Programmable Shunt Regulator Fairchild
Fairchild Semiconductor Fairchild
KA431SMF2 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
June 2013
KA431S / KA431SA / KA431SL
Programmable Shunt Regulator
Features
• Programmable Output Voltage to 36 V
• Low Dynamic Output Impedance 0.2 Ω (Typical)
• Sink Current Capability: 1.0 to 100 mA
• Equivalent Full-Range Temperature Coefficient of
50 ppm/°C (Typical)
• Temperature Compensated for Operation Over
Full Rated Operating Temperature Range
• Low Output Noise Voltage
• Fast Turn-on Response
Description
The KA431S / KA431SA / KA431SL are three-terminal
adjustable regulator series with a guaranteed thermal
stability over applicable temperature ranges. The output
voltage can be set to any value between VREF (approxi-
mately 2.5 V) and 36 V with two external resistors.
These devices have a typical dynamic output impedance
of 0.2 Ω. Active output circuitry provides a sharp turn -
on characteristic, making these devices excellent
replacement for Zener diodes in many applications.
SOT-23F
3
12
MF- 1.Cathode 2. Ref 3. Anode
MF2- 1. Ref 2. Cathode 3. Anode
Ordering Information
Part Number
KA431SMFTF
KA431SMF2TF
KA431SAMFTF
KA431SAMF2TF
KA431SLMFTF
KA431SLMF2TF
Operating
Temperature
Range
-25 to +85°C
Output Voltage
Tolerance
2%
1%
0.5%
Top Mark
43A
43D
43B
43E
43C
43F
Package
SOT-23F 3L
Packing Method
Tape and Reel
© 2011 Fairchild Semiconductor Corporation
KA431S / KA431SA / KA431SL Rev. 1.1.0
1
www.fairchildsemi.com
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