Product Summary
The ha17l431up-tl is a high-precision variable shunt regulator. The ha17l431up-tl can operate at about half voltage in comparison with HA17431V series. The ha17l431up-tl is replaced for simple Zener diode and the ha17l431up-tl can also be used for switching power supply secondary-side error amplification circuit. Applications of the ha17l431up-tl include: reference voltage generation circuits, etc.
Parametrics
ha17l431up-tl absolute maximum ratings: (1) Cathode voltage VKA: 16V; (2) Continuous cathode current Ik: -30 to +50mA; (3) Reference input current Iref: -0.05 to +5mA; (4) Power dissipation Pt: 800mA; (5) Operating temperature Topr: -20 to +85°C; (6) Storage temperature Tstg: -55 to +150°C.
Features
ha17l431up-tl features: (1) On-chip high-precision reference voltage source: 1.240 V ±1.5% (Ta = 25°C) ; (2) Small reference voltage temperature coefficient: 30 ppm/°C Typ; (3) Maximum cathode voltage: 16 V; (4) Maximum cathode current: 50 mA; (5) Minimum cathode current: 200μA Typ; (6) Operating temperature range: -20 to +85°C.
Diagrams

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