• LT1249CN8 PDIP-8
LT1249CN8 PDIP-8


PFC IC Average Current 100kHz 8-PDIP


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Overview of LT1249CN8

The LT1249CN8 is a versatile voltage regulator IC designed for use in various power management applications. It features multiple output channels, high efficiency, and a wide input voltage range, making it suitable for diverse electronic systems.


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

  • VIN: Input Voltage
  • VOUT1: Output Voltage 1
  • VOUT2: Output Voltage 2
  • GND: Ground
  • EN: Enable Pin
  • FB1: Feedback Pin 1
  • FB2: Feedback Pin 2
  • COMP: Compensation Pin
  • ILIM: Current Limit
  • PG: Power Good Indicator
  • SS/TRK: Soft-Start/Tracking
  • VREF: Reference Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT1249CN8 IC for a visual representation.

Key Features

  • Multiple Output Channels: The LT1249CN8 provides multiple independent output channels, offering flexibility in power distribution.
  • High Efficiency: This IC is designed for high efficiency operation, reducing power losses and improving overall system performance.
  • Wide Input Voltage Range: With a wide input voltage range, the LT1249CN8 is suitable for applications with varying power supply voltages.
  • Overcurrent Protection: Incorporates overcurrent protection features to safeguard the IC and connected components.
  • Adjustable Output Voltage: Users can adjust the output voltage levels using the feedback pins for customized power requirements.

Note: For detailed technical specifications, please refer to the LT1249CN8 datasheet.


  • Power Management Systems: Ideal for use in power management systems requiring multiple regulated voltage outputs.
  • Embedded Systems: Suitable for embedded systems where stable and regulated power sources are essential.
  • Industrial Automation: Used in industrial automation applications for powering various electronic components and subsystems.


The LT1249CN8 is a highly efficient voltage regulator IC that provides stable and regulated voltage outputs for diverse electronic applications. It simplifies power management tasks and enhances system reliability.

Usage Guide

  • Input Power: Connect VIN (Pin 1) to the input voltage source within the specified range.
  • Output Connections: Connect VOUT1, VOUT2, and other output pins to the respective loads for regulated power supply.
  • Enable Control: Use the EN (Enable) pin to activate or deactivate the regulator output as needed.

Frequently Asked Questions

Q: What is the maximum input voltage for the LT1249CN8?
A: The LT1249CN8 can accept input voltages up to a maximum specified value of 24V.

Q: Does the LT1249CN8 support current limiting?
A: Yes, the LT1249CN8 includes current limit functionality to protect the IC and attached components from overcurrent conditions.


For similar functionalities, consider these alternatives to the LT1249CN8:

  • LM317: A popular adjustable linear voltage regulator providing a single output with adjustable voltage levels.
  • LM7805: This fixed linear voltage regulator delivers a stable 5V output for various electronic applications.



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

Source Content uid LT1249CN8 Rohs Code No
Part Life Cycle Code Transferred Ihs Manufacturer LINEAR TECHNOLOGY CORP
Part Package Code DIP Package Description DIP, DIP8,.3
Pin Count 8 Manufacturer Package Code N
Reach Compliance Code not_compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Analog IC - Other Type POWER FACTOR CONTROLLER
Input Voltage-Max 25 V Input Voltage-Min 11.5 V
JESD-30 Code R-PDIP-T8 JESD-609 Code e0
Moisture Sensitivity Level 1 Number of Functions 1
Number of Terminals 8 Operating Temperature-Max 100 °C
Operating Temperature-Min Output Current-Max 1.5 A
Output Voltage-Nom 7.5 V Package Body Material PLASTIC/EPOXY
Package Code DIP Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR Package Style IN-LINE
Qualification Status Not Qualified Seated Height-Max 3.937 mm
Supply Current-Max (Isup) 12 mA Surface Mount NO
Switcher Configuration SINGLE Switching Frequency-Max 100 kHz
Technology BIPOLAR Temperature Grade OTHER
Terminal Finish TIN LEAD Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm Terminal Position DUAL
Width 7.62 mm

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