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KA5M0380RTU from FAIRCHILD,Fairchild Semiconductor

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KA5M0380RTU

Manufacturer: FAIRCHILD

3A/800V 70KHz Power Switch

Partnumber Manufacturer Quantity Availability
KA5M0380RTU FAIRCHILD 640 In Stock

Description and Introduction

3A/800V 70KHz Power Switch Here are the factual details about the part **KA5M0380RTU** from the manufacturer **FAIRCHILD**:

### **Specifications**  
- **Manufacturer:** FAIRCHILD  
- **Part Number:** KA5M0380RTU  
- **Category:** Power Management IC  
- **Type:** Off-Line SMPS (Switched-Mode Power Supply) Controller  
- **Topology:** Flyback  
- **Output Power:** Up to 23W (depending on design)  
- **Input Voltage Range:** 85V AC to 265V AC (universal input)  
- **Switching Frequency:** 50kHz (fixed)  
- **Output Voltage:** Adjustable (external components dependent)  
- **Current Limit:** Built-in  
- **Start-Up Current:** Low (typically <1mA)  
- **Standby Power Consumption:** Low (meets energy efficiency standards)  
- **Protection Features:**  
  - Overload Protection (OLP)  
  - Over-Voltage Protection (OVP)  
  - Over-Temperature Protection (OTP)  
  - Under-Voltage Lockout (UVLO)  

### **Descriptions**  
The **KA5M0380RTU** is an integrated PWM controller designed for offline flyback converters. It is optimized for low standby power and high efficiency in power supply applications. The IC includes a built-in high-voltage MOSFET, reducing external component count and simplifying design.  

### **Features**  
- **Integrated High-Voltage Power MOSFET** (650V, 3A)  
- **Low Standby Power Consumption**  
- **Fixed Frequency Operation (50kHz)**  
- **Built-in Soft-Start Function**  
- **Cycle-by-Cycle Current Limiting**  
- **Auto-Restart Protection for Fault Conditions**  
- **Green Mode Operation for Improved Efficiency**  
- **TO-220F Package (Isolated)**  

This information is based on Fairchild's datasheet for the KA5M0380RTU. For exact design parameters, always refer to the official documentation.

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