IC Phoenix logo

Home ›  N  › N5 > NCP1308DR2G

NCP1308DR2G from ON,ON Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

NCP1308DR2G

Manufacturer: ON

PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation

Partnumber Manufacturer Quantity Availability
NCP1308DR2G ON 2668 In Stock

Description and Introduction

PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation The **NCP1308DR2G** is a high-performance current-mode PWM controller designed for offline power supply applications. This integrated circuit (IC) is optimized for flyback converters, offering precise regulation and enhanced efficiency in AC-DC power conversion systems.  

Key features of the NCP1308DR2G include built-in frequency jittering to reduce electromagnetic interference (EMI), a high-voltage startup circuit for fast initialization, and cycle-by-cycle current limiting for robust overload protection. Its current-mode control architecture ensures stable operation across varying load conditions while maintaining tight output voltage regulation.  

With a fixed operating frequency of up to 130 kHz, this controller supports discontinuous conduction mode (DCM) and quasi-resonant (QR) operation, improving efficiency at light loads. The device also integrates critical protection functions such as overvoltage protection (OVP), brownout detection, and thermal shutdown, enhancing system reliability.  

Housed in a compact SOIC-8 package, the NCP1308DR2G is well-suited for compact power adapters, auxiliary power supplies, and LED drivers. Its low standby power consumption makes it ideal for energy-efficient designs, meeting modern power supply requirements.  

Engineers value the NCP1308DR2G for its simplicity, reliability, and ability to deliver consistent performance in demanding applications. Its combination of advanced features and robust protection mechanisms makes it a preferred choice for offline power conversion systems.

Application Scenarios & Design Considerations

PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation

Alternative Part Number

  • UCC28070D --: Interleaved PFC controller in SOIC-8 that can serve as a functional substitute for the NCP1308 PFC controller in similar power-factor correction designs.
  • L6562AD --: Widely used transition-mode PFC controller in SOIC-8, pin-compatible in function and a common drop-in alternative for NCP1308-based PFC stages.
  • FAN7529MX --: Critical-conduction-mode PFC controller from the same manufacturer family, offering comparable control behavior and package compatibility.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips