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Part Number: KA78R12

 

 

 

 

Description: The KA78R12 is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage...


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KA78R12 General Description


The KA78R12 is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 lead full mold package.

Dropout voltage of KA78R12 is below 0.5V in full rated current(1A). This regulator has various function such as peak current protection, thermal shut down, overvoltage protection and output disable function.

KA78R12 Maximum Ratings

Characteristics Symbol Rating Unit Remark
Input Voltage

Disable Voltage

Output Current

Power Dissipation 1

Power Dissipation 2

Junction Temperature

Operating Temperature
Vin

Vdis

Io

Pd1

Pd2

Tj

Topr
35

35

1.0

1.5

15

+150

-20 ~ +80
V

V

A

W

W

°C

°C
-

-

-

No Heatsink

With Heatsink

-

-

KA78R12 Features

• 1A / 12V Output low dropout voltage regulator
• TO220 Full-Mold package (4PIN)
• Overcurrent protection, Thermal shutdown
• Overvoltage protection, Short-Circuit protection
• With output disable function

KA78R12 datasheet

KA78R12
PDF/DataSheet Download

  • Datasheet: KA78R12
  • File Size: 176695 KB
  • Manufacturer: FAIRCHILD [Fairchild Semiconductor]
  • Click here to Download

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