The NCP1219 is a high-efficiency PWM controller designed for ac—de applications, offering adjustable skip mode, internal high voltage startup, and dynamic self supply. Its features include fixed-frequency current-mode operation with ramp compensation at 65 kHz or 100 kHz, cycle skip for standby power reduction, and optional latch, auto-recovery, or latch-off fault protection. With easy implementation of overtemperature and overvoltage protection, it simplifies transformer design by eliminating auxiliary windings, making it ideal for adapters, battery chargers, and consumer electronics. Its robust design ensures low standby power consumption, precise current limiting, and superior EMI performance.
Cycle Skip Mode for reduced standby power consumption
Overload Fault Timer: 118 ms
Adjustable skip threshold voltage
Peak Drive Current: 500 mA source / 800 mA sink
Pin to Pin Compatibility with NCP12XX Series
Operating Junction Temperature: -40°C to 125°C
Power Dissipation: 0.92 W in SOIC-7 package
Includes options for latch and auto-recovery fault modes
Built-in frequency jittering for EMI reduction
Supports external latch or non-latched shutdown circuits
Designed for low standby power in offline power supplies
Buy the Buy ON Semiconductor NCP1219 PWM Controller Part Number NCP1219AD65R2G Online
Experience high efficiency and low standby power with the ON Semiconductor PWM Controller NCP1219AD65R2G. This robust device features adjustable skip mode, internal high voltage startup, and cycle skip for standby power reduction. Its current mode operation, ramp compensation, and fault protection options make it suitable for various applications, including adapters, battery chargers, and consumer electronics. With support for external latch and auto-recovery modes, simplified transformer design, and EMI mitigation techniques, it ensures reliable performance and energy savings in your power conversion designs.
Get ON Semiconductor NCP1219AD65R2G today—built for precision, low standby power, and reliable fault protection in high-efficiency power supply designs.
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