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BL431
ADJUSTABLE PRECISION ZENER SHUNT REGULATOR BL431
DESCRIPTION
Outline Drawing
The BL431 is a three-terminal adjustable
regulator with a guaranteed thermal stability over
applicable temperature ranges. The output voltage
may be set to any value between VREF
(approximately 2.5V) and 36V with two external
resistors. This device has typical dynamic output impedance of 0.2 Ω . Active output circuitry
TO-92
SOT23-3L
provides a very sharp turn-on characteristic,
making these devices excellent replacement for zener diodes in many applications.
F E AT U R E
Programmable output voltage to 36V Low dynamic output impedance 0.2Ω typical Sink current capability of 1.