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NCP1234AD65R2G

Controller for Flyback Converters with Fixed Frequency and Current Mode

Inventory:5,064

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Overview of NCP1234AD65R2G

The NCP1234AD65R2G is a highly integrated PWM controller designed for offline power supplies in energy-efficient applications. This controller features a wide input voltage range and high efficiency, making it suitable for various power management solutions.

Pinout

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

  • VCC: Power supply input for the controller
  • GND: Ground connection
  • FB: Feedback pin for voltage regulation
  • COMP: Compensation pin for stability control
  • CS: Current sense input
  • EN: Enable pin for device operation
  • SD: Soft-start and shutdown control pin
  • DRV: Gate driver output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the NCP1234AD65R2G PWM controller for a visual representation.

Key Features

  • Highly Integrated PWM Controller: Combines multiple functions in a single IC for efficient power supply design.
  • Wide Input Voltage Range: Supports a wide range of input voltages, making it versatile for different applications.
  • High Efficiency Operation: Ensures minimal power losses and maximum energy conversion.
  • Overcurrent Protection: Provides protection against overcurrent conditions to safeguard the system.
  • Soft-Start Function: Incorporates a soft-start feature for smooth power-up operations.

Note: For detailed technical specifications, please refer to the NCP1234AD65R2G datasheet.

Application

  • Offline Power Supplies: Ideal for use in offline power supply designs for various electronic devices.
  • Energy-Efficient Applications: Suitable for energy-efficient systems requiring precise power management.
  • LED Lighting: Can be utilized in LED lighting systems for efficient and reliable power control.

Functionality

The NCP1234AD65R2G PWM controller is designed to efficiently regulate power in offline applications, offering high performance and reliability for energy-efficient solutions.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the power supply voltage and GND (Pin 2) to ground.
  • Feedback Loop: Use the FB (Pin 3) and COMP (Pin 4) pins to regulate the output voltage and ensure stability.
  • Current Sense: Connect the CS (Pin 5) pin for accurate current sensing and protection.
  • Enable Control: Utilize the EN (Pin 6) and SD (Pin 7) pins for device enable and shutdown functions.

Frequently Asked Questions

Q: Can the NCP1234AD65R2G operate at high frequencies?
A: The NCP1234AD65R2G is designed to operate at frequencies suited for offline power supply applications. For high-frequency requirements, alternative solutions may be considered.

Q: Does the NCP1234AD65R2G require external overcurrent protection?
A: The NCP1234AD65R2G features built-in overcurrent protection to safeguard the system under fault conditions.

Equivalent

For similar functionalities, consider these alternatives to the NCP1234AD65R2G:

  • NCP1252: A PWM controller with comparable features and performance for offline power applications.
  • UC3842: This is a popular PWM controller IC known for its reliability and versatility in power supply designs.

Specifications

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

Status Active Compliance PbAHP
Package Type SOIC-7 Case Outline 751U
MSL Type 1 MSL Temp (°C) 260
Container Type REEL Container Qty. 2500
ON Target Y Topology Flyback
Control Mode Current Mode fsw Typ (kHz) 65
Stand-by Mode Yes UVLO (V) 9.5
Short Circuit Protection Yes Latch Yes
Soft Start Yes VCC Max (V) 28
Drive Cap. (mA) 500 / 500 Pricing ($/Unit) $0.4608Sample

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    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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NCP1234AD65R2G

Controller for Flyback Converters with Fixed Frequency and Current Mode

Inventory:

5,064