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MC44604P

Designed for efficiency and reliability in electronic systems and devices

Inventory:6,467

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Overview of MC44604P

The MC44604P is a current mode controller designed for use in offline and DC-to-DC power supplies. It features a high-performance voltage reference for precise regulation and a versatile set of features for efficient power management.

Pinout

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

  • VFB: Voltage feedback input for regulation
  • RT: External resistor for oscillator timing control
  • CT: External capacitor for oscillator timing control
  • COMP: Compensation node for loop stabilization
  • VCC: Supply voltage input
  • OUT: Gate drive output for power switch control
  • SYNC: Synchronization input for external frequency synchronization
  • GND: Ground connection
  • FB: Feedback input for protection functions

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the MC44604P for a visual representation.

Key Features

  • Current Mode Control: Utilizes current mode control for improved transient response and cycle-by-cycle current limiting.
  • High-Performance Voltage Reference: Incorporates a high-precision voltage reference for accurate regulation.
  • Programmable Frequency Operation: Allows the oscillator frequency to be programmed externally for flexibility in power supply design.
  • Adaptive Soft Start: Provides a soft start function to minimize inrush current and improve system reliability.
  • Protection Functions: Features protection functions such as overvoltage protection and overcurrent protection for enhanced system safety.

Note: For detailed technical specifications, please refer to the MC44604P datasheet.

Application

  • Offline Power Supplies: Ideal for use in offline power supply designs for applications such as AC-DC adapters and chargers.
  • DC-to-DC Converters: Suitable for implementing DC-to-DC converter circuits in various electronic systems.
  • LED Drivers: Can be utilized in LED driver circuits for efficient and controlled LED illumination.

Functionality

The MC44604P is a current mode controller designed to regulate power supplies with high precision and efficiency. It offers a comprehensive set of features to ensure reliable and flexible power supply operation.

Usage Guide

  • Feedback Connection: Connect the VFB and FB pins to the appropriate nodes for voltage and current feedback, respectively.
  • Oscillator Timing Control: Use external components connected to the RT and CT pins to adjust the oscillator frequency as needed.
  • Output Stage Control: Connect the OUT pin to the gate drive of the power switch for efficient power control.

Frequently Asked Questions

Q: Does the MC44604P include overtemperature protection?
A: Yes, the MC44604P features overtemperature protection to safeguard the device during high-temperature operation.

Equivalent

For similar functionalities, consider these alternatives to the MC44604P:

  • UC3844: A versatile current mode controller with similar features and capabilities for power supply regulation.
  • SG3525: This PWM controller IC offers comparable functionality and is suitable for power supply and motor control applications.

Specifications

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

Product Category Switching Controllers RoHS N
Mounting Style Through Hole Package / Case PDIP-16
Brand onsemi Operating Supply Voltage 18 V
Product Type Switching Controllers Factory Pack Quantity 500
Subcategory PMIC - Power Management ICs Type Current Mode PWM Controller
Unit Weight 0.057419 oz

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MC44604P

Designed for efficiency and reliability in electronic systems and devices

Inventory:

6,467