AME431BBJETB25 datasheet, PDF - EEWORLD Datasheet

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AME431BBJETB25: DescriptionAdjustable Precision Shunt Regulator; CategoryPower/power management The power supply circuit; File Size225KB，19 Pages; ManufacturerAnalogMicroElectronics,Inc.(AME); AMT was founded in Taiwan in November 2000 and merged into AMT Microelectronics, Inc., a US company located in Silicon Valley, California, USA. Its stock was officially listed for public trading in March 2004.

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AME431BBJETB25 Overview

Adjustable Precision Shunt Regulator

AME431BBJETB25 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	AnalogMicroElectronics,Inc.(AME)
package instruction	, TO-236
Reach Compliance Code	compli
Number of terminals	3
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Maximum output current	0.1 A
Maximum output voltage	36 V
Minimum output voltage	2.5 V
Package body material	PLASTIC/EPOXY
Encapsulate equivalent code	TO-236
Certification status	Not Qualified
surface mount	YES
technology	BIPOLAR
Temperature level	AUTOMOTIVE

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AME, Inc.

AME431B

Adjustable Precision Shunt Regulator

General Description

The AME431B series ICs are 3-terminal adjustable

shunt regulator with guaranteed temperature stability over

a full operation range. These ICs feature sharp turn-on

characteristics, low temperature coefficient and low out-

put impendance, which make them ideal substitutes for

Zener diodes in applications such as switching power

supply, charger and other adjustable regulators.

The reference is set to 1.24V for AME431Bxxxxx12 and

2.5V for AME431Bxxxxx25. The output voltage can be

set to 1.24V to 16V for V

REF

=1.24V part type and 2.5 to

36V for V

REF

=2.5V part type with two external resistors.

The AME431B precision reference is offered in two ref-

erence tolerance: 0.5% and 1.0%

The 5 main packages have low thermal impendance

which allows operation over a wide range of -40

C t o

+125

Functional Block Diagram

V+ (Cathode)

REF

GND (Anode)

Features

Very accurate reference voltage : 0.15% typical

High stability under capacitive load

Low temperature deviation: 4.5mV typical

Low equivalent full-range temperature coefficient

with 20PPM/

C typical

Low dynamic output resistance: 0.2Ω typical

Sink current capacity from 1mA to 100mA

Low output noise

Available in 5 packages: TO-92, SOT-23-3,

SOT-89, SO-8 and SOT-25

Applications

Adjustable power supplies

Linear regulators

Battery operated computer

Portable electronics

Instrumentation

Switching power supply

Mother board

LCD monitor

Note book computer

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