UC39432B Datasheet

IC型號：
UC39432B
PDF描述：
Precision Analog Controller
文件大小：
143.84KB
PDF頁數(shù)：
5頁
芯片廠家：
TI

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Precision Analog Controller

FEATURES

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Programmable Transconductance for

Optimum Current Drive

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Accessible 1.3V Precision Reference

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Both Error Amplifier Inputs Available

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0.7% Overall Reference Tolerance

鈥?/div>

0.4% Initial Accuracy

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2.2V to 36.0V Operating Supply

Voltage and User Programmable

Reference

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Reference Accuracy Maintained for

Entire Range of Supply Voltage

鈥?/div>

Superior Accuracy and Easier

Compensation for Optoisolator

Application

鈥?/div>

Low Quiescent Current (0.50mA Typ)

UC19432

UC29432

UC39432

UC39432B

DESCRIPTION

The UC39432 is an adjustable precision analog controller with 100mA sink

capability if the ISET pin is grounded. A resistor between ISET and ground

will modify the transconductance while decreasing the maximum current

sink. This will add further control in the optocoupler configuration. The

trimmed precision reference along with the non-inverting error amplifier in-

puts are accessible for custom configuration. A sister device, the UC39431

adjustable shunt regulator, has an on-board resistor network providing six

preprogrammed voltage levels, as well as external programming capability.

BLOCK DIAGRAM

UDG-95093

03/99

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