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KA431SAMF2TF 데이터 시트보기 (PDF) - Fairchild Semiconductor

부품명KA431SAMF2TF Fairchild
Fairchild Semiconductor Fairchild
상세내역Programmable Shunt Regulator
KA431SAMF2TF Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
Typical Application
VO = 1 + R-R----12- Vref
VO = Vref1 + R-R----12-
VO = 1 + R-R----12- Vref
KA431S
KA431S
KA431S
Figure 15. Shunt Regulator
Figure 16. Output Control for Three- Figure 17. High Current Shunt Regu-
Terminal Fixed Regulator
lator
KA431S
Figure 18. Current Limit or Current Source
KA431S
Figure 19. Constant-Current Sink
© 2011 Fairchild Semiconductor Corporation
KA431S / KA431SA / KA431SL Rev. 1.1.0
8
www.fairchildsemi.com
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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(approximately 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.

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

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