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KA78R33CTU

1A Fixed 3.3V Positive electrode 35V TO-220F-4L Linear Voltage Regulators (LDO) ROHS

Quantity Unit Price(USD) Ext. Price
1 $0.593 $0.59
200 $0.230 $46.00
500 $0.221 $110.50
1000 $0.218 $218.00

Inventory:8,335

*The price is for reference only.
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Overview of KA78R33CTU

The KA78R33CTU is a 3.3V voltage regulator IC that is designed to provide a stable and regulated output voltage. It is capable of delivering a continuous output current of up to 500mA, making it suitable for a wide range of low-power electronic applications.

Pinout

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

  • Vin: Input voltage
  • Vout: Output voltage
  • GND: Ground
  • NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the KA78R33CTU IC for a visual representation.

Key Features

  • Fixed Output Voltage: Provides a stable 3.3V output voltage for powering various components in electronic circuits.
  • Low Dropout Voltage: The IC maintains regulation even when the input voltage is only slightly higher than the output voltage.
  • Thermal Shutdown Protection: Incorporates thermal shutdown circuitry to protect the IC from over-temperature conditions.
  • Short Circuit Protection: Offers protection against short circuit conditions, enhancing the reliability of the regulator.
  • Low Quiescent Current: Consumes minimal current in no-load or standby conditions, conserving power.

Note: For detailed technical specifications, please refer to the KA78R33CTU datasheet.

Application

  • Powering Low-Voltage Electronics: Ideal for providing a regulated power supply to low-voltage electronic components.
  • Battery-Powered Devices: Suitable for battery-operated devices requiring a stable 3.3V power source.
  • Embedded Systems: Used in embedded systems and microcontroller-based applications to ensure reliable power delivery.

Functionality

The KA78R33CTU is a 3.3V voltage regulator IC designed to maintain a constant output voltage, making it indispensable for powering low-voltage electronic circuits and devices.

Usage Guide

  • Input Voltage: Apply the input voltage to the Vin pin.
  • Output Voltage: Connect the Vout pin to the input of the electronic components requiring a 3.3V supply.
  • Ground: Connect the GND pin to the ground of the circuit.

Frequently Asked Questions

Q: What is the maximum output current of the KA78R33CTU?
A: The KA78R33CTU can deliver a continuous output current of up to 500mA.

Q: Does the KA78R33CTU require external components for stability?
A: The KA78R33CTU is internally compensated and does not require external components for stability under normal operating conditions.

Equivalent

For similar functionalities, consider these alternatives to the KA78R33CTU:

  • LM1117-3.3: This is a 3.3V low dropout voltage regulator from Texas Instruments with comparable performance and characteristics.
  • LD1117S33TR: A 3.3V voltage regulator with low dropout voltage and current limiting features, offering similar functionality to the KA78R33CTU.

Specifications

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

Source Content uid KA78R33CTU Pbfree Code Yes
Part Life Cycle Code Obsolete Ihs Manufacturer ON SEMICONDUCTOR
Package Description TO-220F, 4 PIN Manufacturer Package Code 340BE
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Samacsys Manufacturer onsemi
Adjustability FIXED Dropout Voltage1-Max 0.5 V
Dropout Voltage1-Nom 0.5 V Input Voltage Absolute-Max 35 V
Input Voltage-Max 10 V Input Voltage-Min 4 V
JESD-30 Code R-PSFM-T4 JESD-609 Code e3
Line Regulation-Max 0.0825% Load Regulation-Max 0.066%
Number of Functions 1 Number of Outputs 1
Number of Terminals 4 Operating Temperature TJ-Max 150 °C
Output Current1-Max 1 A Output Voltage1-Max 3.38 V
Output Voltage1-Min 3.22 V Output Voltage1-Nom 3.3 V
Package Body Material PLASTIC/EPOXY Package Equivalence Code SIP4,.06TB
Package Shape RECTANGULAR Package Style FLANGE MOUNT
Packing Method RAIL Qualification Status Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR Surface Mount NO
Technology BIPOLAR Terminal Finish TIN
Terminal Form THROUGH-HOLE Terminal Pitch 2.54 mm
Terminal Position SINGLE Voltage Tolerance-Max 2.4%

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