AZ431-B
AZ431-B is ADJUSTABLE PRECISION SHUNT REGULATORS manufactured by Diodes Incorporated.
Description
The AZ431-B is a three-terminal adjustable shunt regulator with guaranteed thermal stability over a full operation range. It features sharp turn-on characteristics, low temperature coefficient and low output impedance, which make it ideal substitute for Zener diode in applications such as switching power supply, charger and other adjustable regulators.
Pin Assignments
(Top View)
ANODE
The output voltage of AZ431-B can be set to any value between VREF (2.5V) and the corresponding maximum cathode voltage.
The AZ431-B precision reference is offered in two voltage tolerance: 0.4% and 0.8%.
This IC is available in 4 packages: TO-92 (bulk or ammo packing), SOT-23, SOT-23-5 and SOT-89.
CATHODE
SOT-23
(Top View)
(Top View)
REF ANODE CATHODE
SOT-89
(Top View)
Features
- Programmable Precise Output Voltage from 2.5V to 18V
- High Stability under Capacitive Load
- Low Temperature Deviation: 4.5m V Typical
- Low Equivalent Full-range Temperature Coefficient with
20PPM/°C Typical
- Sink Current Capacity from 1m A to 100m A
- Low Output Noise
- Wide Operating Range of -40 to +125°C
Applications
- Charger
- Voltage Adapter
- Switching Power Supply
- Graphic Card
- Precision Voltage Reference
3 CATHODE 2 ANODE 1 REF
3 CATHODE 2 ANODE 1 REF
TO-92 (Bulk Packing)
TO-92 (Ammo Packing)
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