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TEA1751LT from NXP,NXP Semiconductors

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TEA1751LT

Manufacturer: NXP

HV start-up DCM/QR flyback controller with integrated DCM/QR PFC controller

Partnumber Manufacturer Quantity Availability
TEA1751LT NXP 1446 In Stock

Description and Introduction

HV start-up DCM/QR flyback controller with integrated DCM/QR PFC controller The TEA1751LT is a GreenChip III SMPS control IC manufactured by NXP Semiconductors. It is designed for switched-mode power supply (SMPS) applications, integrating multiple functions to improve efficiency and reduce standby power consumption.  

### **Key Specifications:**  
- **Manufacturer:** NXP Semiconductors  
- **Type:** SMPS (Switched-Mode Power Supply) controller  
- **Technology:** GreenChip III  
- **Package:** SO16 (Small Outline 16-pin package)  
- **Operating Voltage Range:** Typically 8V to 38V  
- **Switching Frequency:** Adjustable, typically up to 250 kHz  
- **Features:**  
  - High efficiency in all operating modes (including standby)  
  - Valley/zero-voltage switching (ZVS) for reduced switching losses  
  - Integrated high-voltage startup current source  
  - Overvoltage protection (OVP)  
  - Overcurrent protection (OCP)  
  - Overtemperature protection (OTP)  
  - Soft-start functionality  
  - Burst mode operation for low standby power  

### **Descriptions and Features:**  
- The TEA1751LT combines a power factor correction (PFC) controller and a flyback controller in a single chip, optimizing power efficiency.  
- It supports quasi-resonant operation to minimize switching losses.  
- The IC includes built-in protection mechanisms (OVP, OCP, OTP) for reliable operation.  
- Designed for applications such as AC-DC adapters, LED drivers, and power supplies for TVs and monitors.  
- Compliant with energy efficiency standards (e.g., Energy Star, EU CoC).  

For detailed electrical characteristics and application notes, refer to the official NXP datasheet.

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