• UC1846J CDIP (J)-16
UC1846J CDIP (J)-16

UC1846J

Texas Instruments UC1846J is a versatile 16-pin CDIP component

Inventory:5,176

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Overview of UC1846J

The UC1846J is a high-performance current mode PWM controller IC designed for use in power electronics applications. It is capable of regulating a wide range of output voltages with excellent efficiency and stability, making it ideal for power supply designs.

Pinout

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

  • VREF: Reference voltage output
  • COMP: Error amplifier output
  • RT/CT: Timing components input
  • FEEDBACK: Feedback input for output voltage regulation
  • VCC: Power supply input
  • OUT: PWM output
  • RT/CT: Timing components input
  • RT/CT: Timing components input
  • RT/CT: Timing components input
  • GND: Ground connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the UC1846J IC for a visual representation.

Key Features

  • Current Mode PWM Controller: Provides precise current mode control for power regulation.
  • Wide Output Voltage Range: Capable of regulating a wide range of output voltages for versatile applications.
  • High Efficiency: Operates with high efficiency, reducing power losses in power supply systems.
  • Stable Operation: Ensures stable operation under varying load conditions for reliable performance.
  • Internal Compensation: Includes internal compensation for simplified design and stable operation.

Note: For detailed technical specifications, please refer to the UC1846J datasheet.

Application

  • Switching Power Supplies: Ideal for use in switching power supply designs for various electronic devices.
  • DC-DC Converters: Suitable for regulating output voltages in DC-DC converter circuits.
  • Power Inverters: Used in power inverter applications for converting DC power to AC power efficiently.

Functionality

The UC1846J is a current mode PWM controller that provides precise regulation of output voltages in power supply systems. It offers high efficiency and stability, making it a reliable choice for power electronics applications.

Usage Guide

  • Power Supply: Connect VCC (Pin 5) to the power supply input for operation.
  • Feedback Control: Use the FEEDBACK pin (Pin 4) for regulating the output voltage.
  • Timing Components: Connect external timing components to the RT/CT pins for setting switching frequency.

Frequently Asked Questions

Q: Is the UC1846J suitable for high-power applications?
A: Yes, the UC1846J can be used in high-power applications with appropriate external components and heatsinking.

Q: What is the recommended operating voltage range for the UC1846J?
A: The UC1846J is designed to operate within a specified voltage range, typically between 10V to 30V.

Equivalent

For similar functionalities, consider these alternatives to the UC1846J:

  • UC3846: A related PWM controller IC offering similar performance characteristics with different pin configurations.
  • SG3525: This PWM controller IC provides comparable functionality to the UC1846J for power supply applications.

UC1846J

Specifications

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

Topology Boost, Flyback, Forward, Full bridge, Half bridge, Push pull Control mode Current
Duty cycle (max) (%) 50 Switching frequency (max) (kHz) 500
Features Error amplifier, Multi-topology, Soft start, Synchronization pin UVLO thresholds on/off (V) 7.7/6.95
Operating temperature range (°C) -55 to 125 Rating Military
Gate drive (typ) (A) 0.5 Vin (max) (V) 40

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UC1846J

Texas Instruments UC1846J is a versatile 16-pin CDIP component

Inventory:

5,176