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KA431S

ON Semiconductor
Part Number KA431S
Manufacturer ON Semiconductor
Description Programmable Shunt Regulator
Published Oct 5, 2022
Detailed Description DATA SHEET www.onsemi.com Programmable Shunt Regulator KA431S, KA431SA, KA431SL Description The KA431S / KA431SA / KA43...
Datasheet PDF File KA431S PDF File

KA431S
KA431S

Overview
DATA SHEET www.
onsemi.
com Programmable Shunt Regulator KA431S, KA431SA, KA431SL Description The KA431S / KA431SA / KA431SL are three−terminal adjustable regulator series with a guaranteed thermal stability over the operating temperature range.
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 W.
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 W (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 • These Devices are Pb−Free and Halogen Free 3 12 SOT23−FL3L CASE 318AB MF 1.
Cathode 2.
Ref 3.
Anode MF2 1.
Ref 2.
Cathode 3.
Anode DEVICE MARKING INFORMATION See general marking information in the device marking section on page 2 of this data sheet.
ORDERING INFORMATION See detailed ordering and shipping information on page 6 of this data sheet.
REFERENCE + − 2.
5 Vref REFERENCE (R) ANODE CATHODE (K) ANODE(A) Figure 1.
Block Diagram CATHODE © Semiconductor Components Industries, LLC, 2002 1 May, 2022 − Rev.
8 Publication Order Number: KA431SL/D KA431S, KA431SA, KA431SL MARKING INFORMATION MF − 43A 2% tolerance 43B 1% tolerance 43C 0.
5% tolerance MF2 − 43D 43E 43F 2% tolerance 1% tolerance 0.
5% tolerance Figure 2.
Top Mark (per package) ABSOLUTE MAXIMUM RATINGS TA = 25°C unless otherwise noted Symbol Parameter Value Unit VKA IKA IREF RθJA Cathode Voltage Cathode Current Range (Continuous) Reference Input Current Range Thermal Resistance Junction−Air (Note 1) (Note 2) MF Suffix Package 37 −100 ~ +150 −0.
05 ~ +10 350 V mA mA °C/W IREF ...


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