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KA3511 from F

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KA3511

Manufacturer: F

Intelligent Voltage Mode PWM IC

Partnumber Manufacturer Quantity Availability
KA3511 F 3 In Stock

Description and Introduction

Intelligent Voltage Mode PWM IC The KA3511 is a switching power supply control IC manufactured by Fairchild Semiconductor (now part of ON Semiconductor).  

### **Specifications:**  
- **Input Voltage Range:** 8V to 40V  
- **Operating Frequency:** Adjustable up to 500kHz  
- **Output Drive Current:** ±500mA (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Gain Bandwidth:** 1MHz  
- **Soft-Start Function:** Built-in  
- **Protection Features:**  
  - Under-Voltage Lockout (UVLO)  
  - Over-Current Protection (OCP)  
  - Over-Voltage Protection (OVP)  

### **Descriptions:**  
The KA3511 is a PWM controller designed for high-efficiency switching power supplies. It provides precise regulation and protection features, making it suitable for applications like AC/DC converters, DC/DC converters, and power management systems.  

### **Features:**  
- Adjustable oscillator frequency  
- Precision reference voltage (5V ±1%)  
- Dual PWM outputs for push-pull or half-bridge configurations  
- Synchronization capability  
- Low standby power consumption  
- Thermal shutdown protection  

The KA3511 is available in a **DIP-16** or **SOIC-16** package.  

Would you like additional details on a specific aspect?

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