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KA3511DS from FSC,Fairchild Semiconductor

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KA3511DS

Manufacturer: FSC

Intelligent Voltage Mode PWM IC

Partnumber Manufacturer Quantity Availability
KA3511DS FSC 6000 In Stock

Description and Introduction

Intelligent Voltage Mode PWM IC The KA3511DS is a switching mode power supply (SMPS) controller IC manufactured by Fairchild Semiconductor (FSC).  

### **Specifications:**  
- **Type:** SMPS Controller IC  
- **Package:** SOP-16 (Small Outline Package)  
- **Operating Voltage Range:** Typically 8V to 40V  
- **Output Drive:** Dual totem-pole outputs for driving power MOSFETs  
- **Switching Frequency:** Adjustable (typically up to 500kHz)  
- **Protection Features:** Over-voltage protection (OVP), under-voltage lockout (UVLO), soft-start function  
- **Duty Cycle:** Adjustable  

### **Descriptions:**  
The KA3511DS is designed for high-efficiency power supply applications, including offline and DC-DC converters. It integrates PWM control, protection circuits, and driving circuitry for power MOSFETs.  

### **Features:**  
- **PWM Control:** Voltage-mode control with adjustable duty cycle  
- **Soft-Start Function:** Reduces inrush current during startup  
- **Protection Circuits:** Includes OVP, UVLO, and latch-off protection  
- **Dual Output Drivers:** Capable of driving external MOSFETs or IGBTs  
- **Low Standby Power Consumption:** Suitable for energy-efficient designs  

This information is based on Fairchild Semiconductor's documentation for the KA3511DS.

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