KA431SAMF2 Datasheet

  • KA431SAMF2

  • Programmable Shunt Regulator

  • 108.51KB

  • 10页

  • FAIRCHILD

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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
50ppm/掳C Typical
鈥?Temperature Compensated for Operation Over Full Rated
Operating Temperature Range
鈥?Low Output Noise Voltage
鈥?Fast Turn-on Response
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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 V
REF
(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
1
2
MF- 1.Cathode 2. Ref 3. Anode
MF2- 1. Ref 2. Cathode 3. Anode
Internal Block Diagram
REFERENCE
+
-
2.5 Vref
CATHODE
ANODE
CATHODE (K)
REFERENCE (R)
ANODE(A)
Rev. 1.0.6
漏2005 Fairchild Semiconductor Corporation

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