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SG6848DZ

Advanced PWM controller for high-performance power conversion systems requiring precision voltage mode control and low noise operatio

Inventory:6,945

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Overview of SG6848DZ

The SG6848DZ is a pulse width modulation (PWM) controller IC designed for use in switch-mode power supply applications. It features comprehensive protection functions, high precision voltage reference, and low start-up current, making it suitable for a wide range of power supply designs.

Pinout

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

  • COMP: Compensation pin for loop stability
  • CS: Current sense input for overcurrent protection
  • SS/SD: Soft-start and shutdown pin
  • FB: Feedback input for output voltage regulation
  • GND: Ground connection
  • VCC: Positive power supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the SG6848DZ IC for a visual representation.

Key Features

  • PWM Controller: The SG6848DZ serves as a PWM controller for switch-mode power supplies, providing efficient regulation of output voltage and current.
  • Comprehensive Protection: This IC includes protection functions such as overcurrent protection, overvoltage protection, and thermal shutdown, enhancing system reliability.
  • Integrated Voltage Reference: With a high precision internal voltage reference, the SG6848DZ ensures accurate voltage regulation in power supply designs.
  • Low Start-Up Current: The IC features low start-up current, reducing power consumption during the start-up phase of the power supply.
  • Wide Operating Voltage Range: It operates within a wide input voltage range, making it suitable for various power supply applications.

Note: For detailed technical specifications, please refer to the SG6848DZ datasheet.

Application

  • Switch-Mode Power Supplies: Ideal for use in switch-mode power supply designs for applications such as electronics, telecommunications, and industrial equipment.
  • LED Driver: Suitable for driving LED lighting systems with efficient PWM control for brightness and current regulation.
  • DC-DC Converters: The SG6848DZ can be applied in DC-DC converter circuits for voltage regulation and power conversion.

Functionality

The SG6848DZ PWM controller IC provides precise and efficient control of power supply output, along with comprehensive protection features to ensure reliable operation in various applications.

Usage Guide

  • Power Supply: Connect VCC (Pin 6) to the positive power supply and GND (Pin 5) to the ground connection.
  • Soft-Start Control: Use the SS/SD (Pin 3) pin for soft-start and shutdown control to manage the start-up behavior of the power supply.
  • Feedback and Regulation: Connect the FB (Pin 4) pin to the feedback network for output voltage regulation, and use the COMP (Pin 1) and CS (Pin 2) pins for stability and overcurrent protection.

Frequently Asked Questions

Q: Can the SG6848DZ handle high power levels?
A: The SG6848DZ is designed to handle moderate power levels typical of switch-mode power supply applications. For higher power requirements, consider alternative ICs with higher current and voltage ratings.

Q: Is the SG6848DZ suitable for automotive applications?
A: Yes, the SG6848DZ can be used in automotive power supply designs, provided that it meets the specific operating and reliability requirements of automotive systems.

Equivalent

For similar functionalities, consider these alternatives to the SG6848DZ:

  • SG3525: A versatile PWM controller IC suitable for power supply and inverter applications with similar features and performance.
  • UC3842: This PWM controller provides comprehensive features for power supply regulation and protection, offering an alternative solution to the SG6848DZ.

Specifications

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

Product Category onsemi Brand onsemi / Fairchild

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SG6848DZ

Advanced PWM controller for high-performance power conversion systems requiring precision voltage mode control and low noise operatio

Inventory:

6,945