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Data Sheet

Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing Limited

ADJUSTABLE PRECISION SHUNT REGULATORS AZ431-B

General Description

The AZ431-B is a three-terminal adjustable shunt regu-

lator with guaranteed thermal stability over a full oper-

ation range. It features sharp turn-on characteristics,

low temperature coefficient and low output impedance,

which make it ideal substitute for Zener diode in appli-

cations such as switching power supply, charger and

other adjustable regulators.

The output voltage of AZ431-B can be set to any value

between V

REF

(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.

Features

· Programmable Precise Output Voltage from 2.5V

to 18V

· High Stability under Capacitive Load

· Low Temperature Deviation: 4.5mV Typical

· Low Equivalent Full-range Temperature Coeffi-

cient with 20PPM/

C Typical

· Sink Current Capacity from 1mA to 100mA

· Low Output Noise

· Wide Operating Range of -40 to 125

Applications

· Charger

· Voltage Adapter

· Switching Power Supply

· Graphic Card

· Precision Voltage Reference

Figure 1. Package Types of AZ431-B

SOT-23

TO-92(Bulk Packing) SOT-89

SOT-23-5

TO-92(Ammo Packing)

1 2 3 4 5 6 ... 17 18

Sommario

Pagina 1 - Applications

Data Sheet1Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

Pagina 2

Data Sheet10Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS A

Pagina 3 - Ordering Information

Data Sheet11Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS A

Pagina 4

Data Sheet12Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS A

Pagina 5 - Electrical Characteristics

Data Sheet13Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS A

Pagina 6

Data Sheet14Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS A

Pagina 7

Data Sheet15Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS A

Pagina 8

Data Sheet16Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS A

Pagina 9

Data Sheet17Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS A

Pagina 10

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Pagina 11 - Typical Application

Data Sheet2Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

Pagina 12

Data Sheet3Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

Pagina 13 - Mechanical Dimensions

Data Sheet4Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

Pagina 14

Data Sheet5Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

Pagina 15 - SOT-23 Unit: mm(inch)

Data Sheet6Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

Pagina 16 - SOT-23-5 Unit: mm(inch)

Data Sheet7Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

Pagina 17 - SOT-89 Unit: mm(inch)

Data Sheet8Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

Pagina 18

Data Sheet9Dec. 2012 Rev. 3.3 BCD Semiconductor Manufacturing LimitedADJUSTABLE PRECISION SHUNT REGULATORS AZ

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