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The KA431S, KA431SA, and 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.
KA431S Maximum Ratings
Product
Product status
Eco Status
Pricing*
Package type
Leads
Packing method
Package Drawing
KA431SAMF2TF
Full Production
RoHS Compliant
$0.088
SOT-23
3
TAPE REEL
MA03E
KA431SAMFTF
Full Production
RoHS Compliant
$0.092
SOT-23
3
TAPE REEL
MA03E
KA431SLMF2TF
Full Production
RoHS Compliant
$0.095
SOT-23
3
TAPE REEL
MA03E
KA431SLMFTF
Full Production
RoHS Compliant
$0.099
SOT-23
3
TAPE REEL
MA03E
KA431SMF2TF
Full Production
RoHS Compliant
$0.095
SOT-23
3
TAPE REEL
MA03E
KA431SMFTF
Full Production
RoHS Compliant
$0.095
SOT-23
3
TAPE REEL
MA03E
* Fairchild 1,000 piece Budgetary Pricing
** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples
KA431S 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/ Typical • Temperature Compensated for Operation Over Full Rated Operating Temperature Range • Low Output Noise Voltage • Fast Turn-on Response
KA431SA General 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.
Note : 1. Thermal resistance test board Size: 76.2mm * 114.3mm * 1.6mm (1S0P) JEDEC Standard: JESD51-3, JESD51-7 2. Assume no ambient airflow. 3. TJMAX = 150 , Ratings apply to ambient temperature at 25 4. Power dissipation calculation: PD = (TJ - TA)/RJA
KA431SA 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/ Typical • Temperature Compensated for Operation Over Full Rated Operating Temperature Range • Low Output Noise Voltage • Fast Turn-on Response