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TEA1521T from NXP,NXP Semiconductors

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TEA1521T

Manufacturer: NXP

STARplug

Partnumber Manufacturer Quantity Availability
TEA1521T NXP 664 In Stock

Description and Introduction

STARplug The TEA1521T is a power supply controller IC manufactured by NXP Semiconductors. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** NXP Semiconductors  
- **Type:** Switched Mode Power Supply (SMPS) Controller  
- **Topology:** Flyback, Buck, Boost, or Buck-Boost  
- **Operating Voltage Range:** 8V to 20V (start-up), 4.5V to 20V (operating)  
- **Switching Frequency:** Adjustable up to 200 kHz  
- **Maximum Output Power:** Up to 25W (depending on design)  
- **Current Mode Control:** Yes  
- **Protection Features:** Overvoltage, Overcurrent, Overtemperature, and Undervoltage Lockout (UVLO)  
- **Package:** SO8 (Small Outline 8-pin)  

### **Descriptions:**
The TEA1521T is a low-cost, highly integrated power supply controller designed for offline and DC-DC converter applications. It operates in current-mode control, providing efficient power conversion with minimal external components. The IC includes built-in protection features, making it suitable for compact and reliable power supply designs.

### **Features:**
- **Integrated High-Voltage Startup Circuit:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency and EMI performance.  
- **Soft Start:** Prevents inrush current during startup.  
- **Cycle-by-Cycle Current Limiting:** Enhances reliability under fault conditions.  
- **Low Standby Power Consumption:** Suitable for energy-efficient designs.  
- **Thermal Shutdown:** Protects the IC from overheating.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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