Fairchild Semiconductor ML4826 PFC and Dual Output PWM Controller Combo User Manual
Summary
This integrated circuit is a comprehensive power controller designed for building high-efficiency, Switched Mode Power Supplies (SMPS). It seamlessly combines both PFC and dual output PWM control in a single IC, ensuring low total harmonic distortion and compliance with standards like IEC 1000-3-2. The accompanying manual provides engineers with detailed pinouts, electrical specifications, and operational characteristics needed to implement robust power solutions featuring brown-out protection, overvoltage monitoring, and controlled start/stop functions. Ideal for designers creating reliable AC/DC conversion systems.
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 16 |
| File Size | 431.46 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
What kind of operational modes can the PWM section run on?
The PWM section can operate in either current or voltage mode up to 250kHz.
Does the ML4826 include built-in fault protection?
Yes, it features Overvoltage Protection (OVP), Under Voltage Lock-Out (UVLO), soft start protection, and peak current limiting.
What is the maximum output current capacity for the PFC or PWM sections?
Both the PFC OUT and PWM outputs can handle a source or sink current of 500 mA peak.