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KA7812ETU

A standard positive regulator that provides a 12V output with a maximum current of 1A, featuring a 3-pin TO-220 package

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Overview of KA7812ETU

The KA7812ETU is a three-terminal positive voltage regulator IC that provides a fixed 12V output voltage. It is designed to be used in a wide range of electronic devices to regulate and maintain a stable voltage supply.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Input: Input voltage
  • GND: Ground
  • Output: Regulated 12V output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the KA7812ETU IC for better understanding.

Key Features

  • Fixed Output Voltage: Provides a constant 12V output voltage for powering various components.
  • Low Dropout Voltage: Minimal voltage drop across the regulator, ensuring efficient power delivery.
  • Thermal Overload Protection: Built-in protection mechanism to prevent overheating and damage.
  • Short Circuit Protection: Safeguards against short circuits to protect the IC and connected devices.
  • Wide Input Voltage Range: Accepts a wide range of input voltages for versatility.

Note: Refer to the KA7812ETU datasheet for detailed technical specifications.

Application

  • Power Supply Regulation: Ideal for regulating power supply voltages in electronic circuits.
  • Automotive Electronics: Used in automotive systems to maintain stable voltage levels for components.
  • Consumer Electronics: Suitable for various consumer electronic devices requiring a 12V power source.

Functionality

The KA7812ETU is a reliable voltage regulator IC that ensures a steady 12V output voltage, making it essential for electronic devices that require a consistent power supply.

Usage Guide

  • Input Connection: Connect the input pin to the supply voltage.
  • Ground Connection: Connect the GND pin to the ground of the system.
  • Output Connection: Use the output pin to provide a regulated 12V output to the components.

Frequently Asked Questions

Q: Can the KA7812ETU handle higher input voltages?
A: The KA7812ETU is designed to operate within a specific input voltage range. Exceeding this range may lead to damage to the IC.

Q: Is heatsinking required for the KA7812ETU?
A: Depending on the application and power dissipation, heatsinking may be necessary to maintain optimal operating conditions.

Equivalent

For similar functionalities, consider these alternatives to the KA7812ETU:

  • LM7812: A popular 12V voltage regulator IC with comparable features to the KA7812ETU.
  • UA7812: Another 12V regulator IC offering similar voltage regulation capabilities.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Linear Voltage Regulators RoHS Details
REACH Details Mounting Style Through Hole
Package / Case TO-220-3 Number of Outputs 1 Output
Polarity Positive Output Voltage 12 V
Output Current 1 A Output Type Fixed
Input Voltage, Min 14.5 V Input Voltage, Max 27 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Load Regulation 240 mV Line Regulation 240 mV
Quiescent Current 5.1 mA Series KA7812E
Brand onsemi / Fairchild Product Type Linear Voltage Regulators
PSRR / Ripple Rejection - Typ 71 dB Factory Pack Quantity 1000
Subcategory PMIC - Power Management ICs Part # Aliases KA7812ETU_NL
Unit Weight 0.063493 oz

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