AC-DC Controllers & Regulators

Current Mode & Voltage Mode Controllers

ON Semiconductor offers offline controllers and regulators, power factor controllers and secondary side controllers that enable high active mode efficiency, low standby mode consumption and power factor correction.

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Off-Line Regulators  (27)

Current Mode Switching Regulators - Voltage Mode Switching Regulators

Off-line, switching regulators, including current mode, voltage mode, and gated oscillator devices.

Technical Documentation & Design Resources
Design & Development Tools (5) Simulation Models (9)
Reference Designs (9) Data Sheets (16)
Design Notes (39) Package Drawings (9)
Tutorials (1) Videos (5)
Application Notes (32) Evaluation/Development Tools (22)
White Papers (1)  
Secondary Side Controllers  (5)

Synchronous Rectification Controllers

Secondary side, synchronous rectification controllers.
Technical Documentation & Design Resources
Design & Development Tools (5) Package Drawings (6)
Reference Designs (2) Videos (1)
Application Notes (5) Evaluation Board Documents (2)
Simulation Models (6) Evaluation/Development Tools (3)
Data Sheets (11)  
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New Products

NCP1070  NCP1071  High Voltage Switching Regulator

  • Built-in 700 V MOSFET with RDS(on) of 22 Ω
  • Current-mode fixed frequency operation (65/100/130 kHz)
  • 300 µA no load power consumption

NCP1124  NCP1126  NCP1129  High Voltage Switching Regulator for Offline SMPS

  • Built-in 650 V avalanche rated MOSFET
  • Fixed frequency at 65 or 100 kHz
  • Current mode control with adjustable internal ramp compensation