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KA5H0165RN

Fairchild Power Switch(FPS)

Partnumber Manufacturer Quantity Availability
KA5H0165RN 2 In Stock

Description and Introduction

Fairchild Power Switch(FPS) The part **KA5H0165RN** is a power switching regulator IC manufactured by **Fairchild Semiconductor** (now part of **ON Semiconductor**).  

### **Specifications:**  
- **Type:** Off-line SMPS (Switched-Mode Power Supply) Controller  
- **Topology:** Flyback  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Power:** Up to 15W (depending on design)  
- **Switching Frequency:** 100 kHz (fixed)  
- **Start-up Current:** 30 µA (typical)  
- **Operating Current:** 3 mA (typical)  
- **Duty Cycle:** Up to 80%  
- **Protection Features:**  
  - Overload Protection (OLP)  
  - Overvoltage Protection (OVP)  
  - Thermal Shutdown (TSD)  
  - Under-Voltage Lockout (UVLO)  

### **Descriptions:**  
The **KA5H0165RN** is a high-voltage power switch designed for offline flyback converters. It integrates a high-voltage MOSFET and a PWM controller, reducing external component count. It is commonly used in AC/DC power supplies for consumer electronics, adapters, and auxiliary power supplies.  

### **Features:**  
- Built-in **650V** power MOSFET  
- Low standby power consumption  
- Auto-restart mode for fault protection  
- Frequency jittering for reduced EMI  
- Internal soft-start function  
- Current-mode PWM control  

This IC is designed for compact, efficient, and reliable power supply solutions.  

Would you like any additional details?

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