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TEA1523P from PHILIPS

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TEA1523P

Manufacturer: PHILIPS

SMPS ICs for low-power systems

Partnumber Manufacturer Quantity Availability
TEA1523P PHILIPS 72 In Stock

Description and Introduction

SMPS ICs for low-power systems The TEA1523P is a power supply controller IC manufactured by PHILIPS (now NXP Semiconductors). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 85V to 276V AC (universal mains input)  
- **Operating Frequency:** Adjustable, typically 100 kHz  
- **Output Power:** Up to 25W (depending on design)  
- **Start-up Current:** Very low (< 50 µA)  
- **Standby Power Consumption:** < 100 mW  
- **Maximum Duty Cycle:** 80%  
- **Protection Features:** Overvoltage, overcurrent, overtemperature, and undervoltage lockout (UVLO)  
- **Package:** DIP-8 (Dual In-line Package)  

### **Description:**  
The TEA1523P is a monolithic integrated circuit designed for low-power switched-mode power supplies (SMPS). It operates in flyback or forward converter topologies and is optimized for efficiency and low standby power consumption.  

### **Features:**  
- **High Integration:** Combines PWM controller, power switch, and protection circuits in a single chip.  
- **Frequency Jittering:** Reduces EMI emissions.  
- **Soft Start:** Prevents inrush current at startup.  
- **Auto-Recovery Mode:** Restarts automatically after fault conditions.  
- **Low Standby Power:** Suitable for energy-efficient applications.  
- **Primary-Side Regulation:** Eliminates the need for an optocoupler in some designs.  

The TEA1523P is commonly used in adapters, chargers, and auxiliary power supplies for consumer electronics.  

(Note: PHILIPS' semiconductor division became NXP Semiconductors, but the original part number remains unchanged.)

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