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NCP1053P44 from ON,ON Semiconductor

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NCP1053P44

Manufacturer: ON, ON Pb-free

Monolithic High Voltage Gated Oscillator Power Switching Regulator

Partnumber Manufacturer Quantity Availability
NCP1053P44 ON, ON Pb-free 1307 In Stock

Description and Introduction

Monolithic High Voltage Gated Oscillator Power Switching Regulator # Introduction to the NCP1053P44 Electronic Component  

The **NCP1053P44** is a high-performance, low-power switching regulator designed for offline power supply applications. As part of the NCP105x series, it integrates a high-voltage power MOSFET and control circuitry into a single package, making it an efficient solution for compact and cost-effective power conversion.  

This component operates in a fixed-frequency current-mode architecture, ensuring stable performance across varying load conditions. With a built-in **44 kHz oscillator**, the NCP1053P44 is optimized for low-noise operation while maintaining high efficiency. Its **auto-restart protection** feature enhances reliability by safeguarding against overloads, short circuits, and thermal stress.  

Key features include:  
- **Wide input voltage range** (up to 700V) for universal AC line compatibility  
- **Low standby power consumption**, making it suitable for energy-efficient designs  
- **Integrated high-voltage startup**, reducing external component count  
- **Cycle-by-cycle current limiting** for improved safety  

Common applications include **AC-DC converters, auxiliary power supplies, and offline battery chargers**. The NCP1053P44 is housed in a **DIP-7 package**, facilitating easy integration into various circuit designs.  

Engineers favor this IC for its **simplicity, robustness, and cost-effectiveness**, making it a reliable choice for power management in industrial, consumer, and telecom applications.

Application Scenarios & Design Considerations

Monolithic High Voltage Gated Oscillator Power Switching Regulator

Alternative Part Number

  • LNK304PN --: Offline switcher in DIP-8 with integrated high-voltage MOSFET, similar function to the NCP1053 and widely used as a drop-in style replacement in low-power AC-DC supplies.
  • VIPER22A --: Fixed-frequency offline converter with integrated power switch in DIP-8, comparable power range and pin function, commonly used as an alternative to ON's NCP105x family.
  • TNY264PN --: TinySwitch-II integrated offline switcher in DIP-8, suitable for low-power isolated supplies and a practical second-source option when the NCP1053P44 is unavailable.

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