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Part Number: CL1431

 

 

 

 

Description: The CL1431 is an adjustable shunt regulator designed to act as an open-loop error amplifier with a 2.5V temperature com...


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CL1431 General Description


The CL1431 is an adjustable shunt regulator designed to act as an open-loop error amplifier with a 2.5V temperature compensated reference. Its highly accurate 0.4% bandgap reference is perfect for applications requiring stability and accuracy over temperature and life.
Sharp turn-on characteristics and a low temperature coefficient make the CL1431 an excellent replacement for many zener diode applications, programmable to any value greater than 2.5V and up to 36V by using two external resistors. As a combination error amplifier and reference, it can be used to manage control loops such as switching power supplies.
The CL1431 can be used as a direct replacement for the standard TL431.

CL1431 Maximum Ratings

SYMBOL PARAMETER RATING UNITS
VKA Cathode-Anode Reverse Breakdown 37 V
IAK Anode-Cathode Forward Current 1 A
IKA Operating Cathode Current 250 mA
IREF Reference Input Current 10 mA
PD Continuous Power Dissipation at 25
TO-92
8L SOIC
SOT-89		 775
750
1000		 mW
mW
mW
TJ Junction Temperature 150
TSTG Storage Temperature 65 to 150
TL Lead Temperature, Soldering 10 Seconds 300

CL1431 Features

` Temperature-Compensated: 30ppm/
` Trimmed 0.4% Bandgap Reference
` Internal Amplifier with 150mA Capability
` Temperature Range: Extended to -55 to 125oC
` Low Frequency Dynamic Output Impedance: < 150m
` Low Output Noise
` Robust ESD Protection

CL1431 Connection Diagram

CL1431 Connection Diagram

CL1431 datasheet

CL1431
PDF/DataSheet Download

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