NCP1252ADR2G Current Mode PWM Controller for Flyback Applications

NCP1252ADR2G PWM Controller for Flyback & Forward Power Supplies

The NCP1252ADR2G is a high-performance current-mode PWM controller designed for flyback and forward power supply applications. Engineered for demanding environments such as ATX power supplies and AC-DC adapters, this IC delivers reliable performance, flexible operation, and enhanced protection features.

With its adjustable soft-start, robust fault management, and stable switching frequency, the NCP1252ADR2G ensures smooth startup behavior and protects your system against overload and fault conditions.

Its compact SOIC-8 package makes it ideal for space-constrained designs while maintaining high efficiency and thermal reliability.

Key Features

• Current-mode PWM controller for flyback and forward topologies
• Designed for ATX power supplies and AC-DC adapters
• Fixed switching frequency: 65 kHz
• Adjustable soft-start for smooth startup and brownout recovery
• Overload protection with temporary current handling
• Latch protection for permanent fault conditions
• High efficiency and stable operation
• Compact SOIC-8 narrow package

Technical Specifications

Applications

Ideal for ATX power supplies, AC-DC adapters, desktop power systems, and other flyback converter designs requiring stable and protected PWM control.