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TDA4605-2 .. from Infineon

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TDA4605-2 ..

Manufacturer: Infineon

Power Control ICs

Partnumber Manufacturer Quantity Availability
TDA4605-2 ..,TDA46052 Infineon 375 In Stock

Description and Introduction

Power Control ICs The TDA4605-2 is a control IC for switched-mode power supplies (SMPS) manufactured by Infineon. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Infineon Technologies  
- **Type:** SMPS Control IC  
- **Package:** DIP-8, SO-8  
- **Operating Voltage Range:** 8.5V to 30V  
- **Start-up Current:** Typically 0.5 mA  
- **Operating Frequency:** Adjustable (depends on external components)  
- **Output Drive:** Direct drive for power MOSFETs  
- **Protection Features:** Overvoltage protection (OVP), undervoltage lockout (UVLO), overcurrent protection (OCP)  

### **Description:**  
The TDA4605-2 is designed for controlling switch-mode power supplies in flyback or forward converter topologies. It integrates essential functions for efficient power supply regulation, including soft-start, pulse-width modulation (PWM), and feedback loop control.  

### **Features:**  
- **Primary-Side Regulation (PSR):** Reduces external component count by eliminating the need for an optocoupler.  
- **Soft-Start Function:** Prevents high inrush current during startup.  
- **Frequency Jittering:** Reduces electromagnetic interference (EMI).  
- **Adjustable Oscillator Frequency:** Allows flexibility in design.  
- **Overload & Short-Circuit Protection:** Enhances system reliability.  
- **Low Standby Power Consumption:** Suitable for energy-efficient applications.  

This information is based solely on Infineon's documented specifications for the TDA4605-2.

Application Scenarios & Design Considerations

Power Control ICs

Alternative Part Number

  • UC3842AN --: Industry-standard current-mode PWM controller widely used in offline SMPS; functionally similar control role and easy to source as a replacement in many designs.
  • SG6848 --: Offline PWM controller for flyback converters with integrated startup and protection features, suitable as a functional substitute in similar power supply topologies.
  • NCP1200 --: Current-mode PWM controller for low-power offline flyback supplies, offering comparable control and protection functions for SMPS applications.

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