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TDA4605-3

PWM Control IC for SMPS using MOS-Tra...

Partnumber Manufacturer Quantity Availability
TDA4605-3,TDA46053 91 In Stock

Description and Introduction

PWM Control IC for SMPS using MOS-Tra... The TDA4605-3 is a control IC for switched-mode power supplies (SMPS), manufactured by **Infineon Technologies**. Below are its key specifications, descriptions, and features:  

### **Manufacturer:**  
- **Infineon Technologies**  

### **Descriptions:**  
- The TDA4605-3 is a **switched-mode power supply (SMPS) control IC** designed for **flyback and buck-boost converters**.  
- It provides **primary-side regulation (PSR)**, eliminating the need for an optocoupler in feedback circuits.  
- Suitable for **low-power offline power supplies** (e.g., chargers, adapters).  

### **Key Features:**  
- **Operating Voltage Range:** 8.5V to 9.5V (start-up), 7V to 9V (operation)  
- **Switching Frequency:** Adjustable via external components  
- **Soft Start:** Reduces inrush current  
- **Overvoltage Protection (OVP):** Monitors output voltage  
- **Undervoltage Lockout (UVLO):** Ensures proper start-up  
- **Overload Protection (OLP):** Protects against excessive load  
- **Primary-Side Regulation (PSR):** Eliminates secondary-side feedback components  
- **Low Standby Power Consumption:** Suitable for energy-efficient designs  

### **Applications:**  
- AC/DC adapters  
- Battery chargers  
- Auxiliary power supplies  

For exact electrical characteristics, refer to the **official datasheet** from Infineon Technologies.

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