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ICE3A2065 from INFINEON

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ICE3A2065

Manufacturer: INFINEON, ST

Third Generation Fixed Frequency Intergrated Power ICs for Switched Mode Power Supplies

Partnumber Manufacturer Quantity Availability
ICE3A2065 INFINEON, ST 132 In Stock

Description and Introduction

Third Generation Fixed Frequency Intergrated Power ICs for Switched Mode Power Supplies The ICE3A2065 is a power management IC manufactured by Infineon Technologies. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Infineon Technologies  
- **Category:** Power Management IC  
- **Type:** Offline SMPS Controller  
- **Topology:** Flyback  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Power:** Up to 25W (depending on design)  
- **Switching Frequency:** Fixed at 65 kHz  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** DIP-8 or SOIC-8  

### **Descriptions:**  
The ICE3A2065 is a current-mode PWM controller designed for offline switch-mode power supplies (SMPS). It integrates a high-voltage startup circuit, reducing external component count. The IC provides protection features such as overvoltage, overload, and overtemperature protection, making it suitable for robust power supply designs.  

### **Features:**  
- **Integrated High-Voltage Startup Circuit**  
- **Current-Mode Control**  
- **Fixed 65 kHz Switching Frequency**  
- **Built-in Soft Start**  
- **Overvoltage Protection (OVP)**  
- **Overload Protection (OLP)**  
- **Overtemperature Protection (OTP)**  
- **Low Standby Power Consumption**  
- **Cycle-by-Cycle Current Limiting**  

For exact application details, refer to the official Infineon datasheet.

Application Scenarios & Design Considerations

Third Generation Fixed Frequency Intergrated Power ICs for Switched Mode Power Supplies

Alternative Part Number

  • NCP1271A --: Offline flyback PWM controller with integrated high-voltage startup and current-mode control, functionally similar to the ICE3A series for low-power SMPS designs.
  • VIPER22A --: Integrated offline switcher with built-in power MOSFET and current-mode PWM, commonly used as a drop-in class replacement in low-power AC-DC adapters.
  • TNY278PN --: TinySwitch-III family offline switcher with integrated MOSFET and auto-restart protection, suitable for similar low-power isolated flyback applications.
  • NCP1216A --: Current-mode PWM controller in a similar DIP-8 package with integrated high-voltage startup, suitable for offline flyback supplies comparable to the ICE3A2065 application.
  • UC3842B --: Industry-standard current-mode PWM controller widely used in offline SMPS designs; functionally similar control scheme though it requires an external startup resistor.

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