Datasheet > BM431

BM431

更新时间： 2024-02-28 00:13:22

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百力微 - BOOKLY		/
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10页	171K
描述
ADJUSTABLE PRECISION SHUNT REGULATORS

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BM431 数据手册

BooklyMicro

ADJUSTABLE PRECISION SHUNT REGULATORS

BM431

General Description

Features

The BM431 series ICs are three-terminal adjustable

shunt regulators with guaranteed thermal stability over

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

characteristics, low temperature coefficient and low

output impedance, which make them ideal substitutes

for Zener diodes in applications such as switching

power supply, charger and other adjustable regulators.

Programmable Precise Output Voltage from 2.5V

to 36V

Very Accurate Reference Voltage: 0.15% Typical

High Stability under Capacitive Load

Low Temperature Deviation: 4.5mV Typical

Low Equivalent Full-range Temperature Coeffi-

cient with 20PPM/ C Typical

Low Dynamic Output Resistance: 0.2Ω Typical

Sink Current Capacity from 1mA to 100 mA

Low Output Noise

The BM431 series ICs is pb-free already for

all the package. The output

voltage of all types can be set to any value between

(2.5V) and the corresponding maximum cathode

REF

Wide Operating Range of -40 to 125 C

voltage.

Applications

The BM431 precision reference is offered in two band-

gap tolerance: 0.4% and 0.8%.

Charger

Voltage Adapter

Switching Power Supply

Graphic Card

Precision Voltage Reference

These ICs are available in 2 Packages: TO-92, SOT-23-

SOT-23-3

TO-92

Figure 1. Package Types of BM431

Sep. 2005

www.bookly.com

12 3 4 5 6 7...10

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