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ML4803CP-2 from ML

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ML4803CP-2

Manufacturer: ML, MICRO LINEAR, MICROLY

8-Pin PFC and PWM Controller Combo

Partnumber Manufacturer Quantity Availability
ML4803CP-2,ML4803CP2 ML, MICRO LINEAR, MICROLY 1662 In Stock

Description and Introduction

8-Pin PFC and PWM Controller Combo **Enhance Your Power Supply Designs with the ML4803CP-2**  

The ML4803CP-2 is a highly efficient, integrated power supply controller designed to streamline the development of advanced AC/DC and DC/DC converters. Combining power factor correction (PFC) and pulse-width modulation (PWM) control in a single IC, this component simplifies circuit design while optimizing performance for a wide range of applications, including industrial power systems, LED drivers, and consumer electronics.  

Engineered for precision and reliability, the ML4803CP-2 features a versatile architecture that supports both continuous and discontinuous conduction modes, ensuring flexibility across different power supply topologies. Its built-in PFC stage improves energy efficiency by maintaining near-unity power factor, reducing harmonic distortion, and complying with stringent regulatory standards. The integrated PWM controller further enhances performance by providing stable voltage regulation and fast transient response.  

Key advantages of the ML4803CP-2 include its adjustable switching frequency, programmable soft-start functionality, and comprehensive protection features such as overvoltage and overcurrent safeguards. These capabilities make it an ideal choice for designers seeking a robust, all-in-one solution to minimize external component count while maximizing system efficiency.  

With its compact DIP-16 package, the ML4803CP-2 is well-suited for space-constrained applications without compromising thermal performance. Whether upgrading existing power supplies or developing new designs, this controller offers a reliable foundation for achieving high efficiency, reduced EMI, and long-term operational stability.  

For engineers focused on optimizing power conversion systems, the ML4803CP-2 delivers a balanced combination of performance, integration, and ease of implementation—making it a valuable addition to any power management solution.

Application Scenarios & Design Considerations

8-Pin PFC and PWM Controller Combo

Alternative Part Number

  • UC3842AN --: Industry-standard current-mode PWM controller in a DIP-8 package, widely used as a functional substitute for the ML4803 PFC/PWM controller in many offline power supply designs.
  • NCP1654BD65R2G --: Continuous conduction mode PFC controller that covers the power-factor correction function of the ML4803, available in a standard SOIC package and well supported for new designs.
  • L6562AD --: Transition-mode PFC controller with similar control-loop behavior and pin functions, commonly used as a replacement when the combined PFC/PWM function of the ML4803 is split into separate stages.
  • L6562AN --: Transition-mode PFC controller in DIP-8, a common alternative for power factor correction stages where the ML4803 was used, with broad second-source support.

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