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KA5M0365R from FSC,Fairchild Semiconductor

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KA5M0365R

Manufacturer: FSC

Fairchild Power Switch(FPS)

Partnumber Manufacturer Quantity Availability
KA5M0365R ,KA5M0365R FSC 3000 In Stock

Description and Introduction

Fairchild Power Switch(FPS) The part **KA5M0365R** is manufactured by **FSC (Fairchild Semiconductor Corporation)**.

### **Specifications:**
- **Category:** Power Management IC (SMPS PWM Controller)
- **Topology:** Flyback
- **Input Voltage Range:** 85V to 265V AC
- **Output Power:** Up to 30W (depending on design)
- **Switching Frequency:** 67 kHz (fixed)
- **Operating Temperature Range:** -25°C to +85°C
- **Package Type:** TO-220F (isolated package)
- **Control Method:** Current Mode PWM
- **Protection Features:** Overvoltage Protection (OVP), Overload Protection (OLP), Over-Temperature Protection (OTP), Under-Voltage Lockout (UVLO)

### **Descriptions:**
The **KA5M0365R** is a high-voltage, current-mode PWM controller designed for offline switch-mode power supplies (SMPS). It integrates a high-voltage power MOSFET and control circuitry, making it suitable for compact and efficient power supply designs.

### **Features:**
- Built-in 650V power MOSFET
- Low standby power consumption
- Auto-restart protection for fault conditions
- Internal soft-start function
- Cycle-by-cycle current limiting
- Low EMI due to frequency jittering
- High efficiency with minimal external components

This IC is commonly used in AC/DC adapters, LED drivers, and auxiliary power supplies.

Partnumber Manufacturer Quantity Availability
KA5M0365R FAIRCHILD 68 In Stock

Description and Introduction

Fairchild Power Switch(FPS) Here are the factual details about the part **KA5M0365R** from the manufacturer **FAIRCHILD**:

### **Specifications:**  
- **Manufacturer:** FAIRCHILD  
- **Part Number:** KA5M0365R  
- **Category:** Power Management IC  
- **Type:** Off-Line SMPS (Switched-Mode Power Supply) Controller  
- **Topology:** Flyback  
- **Input Voltage Range:** 85V AC to 265V AC  
- **Output Power:** Up to 34W (with proper design)  
- **Switching Frequency:** 50 kHz (fixed)  
- **Start-Up Current:** 30 µA (typical)  
- **Operating Current:** 3 mA (typical)  
- **Duty Cycle:** Up to 72% (maximum)  
- **Protection Features:**  
  - Overload Protection (OLP)  
  - Overvoltage Protection (OVP)  
  - Over-Temperature Protection (OTP)  
  - Under-Voltage Lockout (UVLO)  

### **Descriptions:**  
The **KA5M0365R** is a high-voltage power switching regulator IC designed for offline flyback converters. It integrates a **PWM controller** and a **high-voltage MOSFET**, making it suitable for compact and efficient power supply designs. It operates in **current-mode control** for improved transient response and cycle-by-cycle current limiting.  

### **Features:**  
- **Built-in 650V MOSFET** (reduces external component count)  
- **Low standby power consumption** (meets energy efficiency standards)  
- **Auto-restart protection** for fault conditions  
- **Soft-start function** to reduce inrush current  
- **Frequency jittering** for reduced EMI noise  
- **Wide operating temperature range** (-20°C to +85°C)  

This IC is commonly used in **AC/DC adapters, LED drivers, and auxiliary power supplies** for consumer electronics.  

(Note: Always refer to the official **Fairchild datasheet** for precise design and application details.)

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