SPX431LAM/TR Datasheet

IC型號：
SPX431LAM/TR
PDF描述：
Precision Adjustable Shunt Regulator
文件大小：
101.52KB
PDF頁數：
12頁
芯片廠家：
SIPEX

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上傳產品規(guī)格書

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SPX431L

Precision Adjustable Shunt Regulator

FEATURES

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Tight Voltage Tolerance 0.5% at 10mA

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Wide Operating Current 1mA to 100mA

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Extended Temperature Range:

0擄C to 105擄C

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Low Temperature Coefficient 30 ppm/擄C

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Improved Replacement in Performance for

TL431 and AS431

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Low Cost Solution

APPLICATIONS

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Battery Operating Equipment

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Adjustable Supplies

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Switching Power Supplies

ANODE

SPX431L

3 Pin SOT-23

REF

CATHODE

Now Available in Lead Free Packaging

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Error Amplifiers

Single Supply Amplifier

Monitors / VCRs / TVs

Personal Computers

DESCRIPTION

The SPX431L is a 3-terminal adjustable shunt voltage regulator providing a highly accurate

bandgap reference. The SPX431L acts as an open-loop error amplifier with a 2.5V temperature

compensation reference. The SPX431L鈥檚 thermal stability, wide operating current (100mA) and

temperature range (0擄C to 105擄C) makes it suitable for a variety of applications that require a

low cost, high performance solution. SPX431L tolerance of 0.5% is proven to be sufficient to

overcome all of the other errors in the system to virtually eliminate the need for trimming in the

power supply manufacturer's assembly line and contribute a significant cost savings.

The output voltage may be adjusted to any value between V

REF

and 20V with two external

resistors. The SPX431L is available in TO-92, SOIC-8, SOT-89, and SOT-23-3 packages.

BLOCK DIAGRAM

Cathode (K)

Reference

(R)

2.5V

Anode (A)

Date: 5/25/04

SPX431L Precision Adjustable Shunt Regulator

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