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KA431SA fiches techniques PDF

Fairchild Semiconductor - Programmable Shunt Regulator

Numéro de référence KA431SA
Description Programmable Shunt Regulator
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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KA431SA fiche technique
www.fairchildsemi.com
KA431S/KA431SA/KA431SL
Programmable Shunt Regulator
Features
• Programmable Output Voltage to 36 Volts
• Low Dynamic Output Impedance 0.20 Typical
• Sink Current Capability of 1.0 to 100mA
• Equivalent Full-Range Temperature Coefficient of
www.DataSheet4U.co5m0ppm/°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 may be set to any value between VREF
(approximately 2.5 volts) and 36 volts with two external
resistors These devices have a typical dynamic output
impedance of 0.2W Active output circuitry provides a very
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
Internal Block Diagram
REFERENCE
+
-
2.5 Vref
REFERENCE (R)
ANODE
CATHODE (K)
ANODE(A)
CATHODE
©2005 Fairchild Semiconductor Corporation
Rev. 1.0.6

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