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TDA4605-3 . from Infineon

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TDA4605-3 .

Manufacturer: Infineon

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

Partnumber Manufacturer Quantity Availability
TDA4605-3 .,TDA46053 Infineon 3450 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. Below are its specifications, descriptions, and features based on factual data from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Infineon Technologies  
- **Type:** SMPS Control IC  
- **Package:** DIP-8 (Dual In-line Package)  
- **Operating Voltage Range:** 8.5V to 9.5V (typical)  
- **Start-Up Current:** Typically 0.5mA  
- **Standby Power Consumption:** Low (optimized for energy efficiency)  
- **Switching Frequency:** Adjustable via external components  
- **Output Drive:** Direct drive for power MOSFETs  
- **Protection Features:** Overvoltage protection, undervoltage lockout (UVLO), overcurrent protection  

### **Descriptions:**  
The TDA4605-3 is a monolithic integrated circuit designed for controlling switched-mode power supplies in flyback or forward converter topologies. It provides all necessary control functions, including start-up, regulation, and protection, making it suitable for applications such as AC/DC adapters, TV power supplies, and auxiliary power supplies.  

### **Features:**  
- **Soft Start:** Reduces inrush current during start-up.  
- **Primary Regulation:** Direct feedback from the primary side for cost-effective designs.  
- **Load-Dependent Frequency Reduction:** Improves efficiency at light loads.  
- **Current Limiting:** Prevents excessive current in the power switch.  
- **Overvoltage Protection (OVP):** Safeguards against voltage spikes.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within the voltage range.  
- **Thermal Shutdown:** Protects the IC from overheating.  

This information is based solely on Infineon's technical documentation for the TDA4605-3. For detailed application notes or circuit examples, refer to the official datasheet.

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