MT79398 Integrated Circuit by MAXIC | DIP8 Package

MT79398 | Single-Stage Primary Side Control AC-DC LED Driver with PFC
Package: DIP-8

The MT79398 from MAXIC is a single-stage, primary side control LED driver IC with integrated active power factor correction (PFC). Designed to simplify LED lighting power solutions, it operates in critical conduction mode (CRM) to achieve high power factor and minimize MOSFET switching losses.

Featuring an integrated 700V power MOSFET and innovative control techniques, the MT79398 provides precision LED current regulation without requiring secondary-side sensing or feedback circuits such as optocouplers.

Key Features:

• Single-stage AC-DC LED driver with PFC

• Integrated 700V MOSFET for simplified design

• Operates in Critical Conduction Mode (CRM) for high efficiency

• Precision LED current control without optocoupler feedback

• Comprehensive protection features:

  • Input over/under-voltage protection

  • Over-current protection (OCP)

  • Output over-voltage protection (OVP)

  • Short-circuit protection (SCP)

  • Over-temperature regulation (OTR) with adjustable threshold via TADJ pin

• Compact DIP-8 package with reduced external component requirements

Applications:

• LED lighting power supplies

• AC-DC LED driver modules

• Indoor and outdoor LED lamps

• Compact, high-efficiency lighting systems