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KA3525AD from FAIRCHIL,Fairchild Semiconductor

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KA3525AD

Manufacturer: FAIRCHIL

SMPS CONTROLLER

Partnumber Manufacturer Quantity Availability
KA3525AD FAIRCHIL 500 In Stock

Description and Introduction

SMPS CONTROLLER The KA3525AD is a pulse width modulation (PWM) controller IC manufactured by FAIRCHILD (now ON Semiconductor). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** FAIRCHILD (now part of ON Semiconductor)  
- **Type:** PWM Controller IC  
- **Package:** SOIC-16 (Surface Mount)  
- **Operating Voltage Range:** 8V to 35V  
- **Output Current:** 200mA (sink/source per channel)  
- **Oscillator Frequency Range:** 100Hz to 500kHz  
- **Duty Cycle Adjustable:** 0% to 100%  
- **Error Amplifier Gain Bandwidth:** 1MHz  
- **Soft-Start Capability:** Yes  
- **Under-Voltage Lockout (UVLO):** Adjustable  
- **Operating Temperature Range:** -25°C to +85°C  

### **Descriptions:**  
The KA3525AD is a high-performance PWM controller designed for switch-mode power supply (SMPS) applications. It provides precise control over the duty cycle of the output signal, making it suitable for DC-DC converters, inverters, and motor control circuits. It includes an onboard oscillator, error amplifier, and soft-start functionality.  

### **Features:**  
- **Dual Output Drivers:** Push-pull or single-ended operation  
- **Adjustable Dead-Time Control:** Prevents shoot-through in half-bridge configurations  
- **Synchronizable Oscillator:** Allows synchronization with external clock signals  
- **Error Amplifier with High Gain Bandwidth:** Ensures stable feedback control  
- **Soft-Start Function:** Reduces inrush current during startup  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage limits  
- **Thermal Shutdown Protection:** Prevents overheating damage  

This IC is widely used in power supply designs due to its reliability and flexibility.  

(Note: Always refer to the official datasheet for detailed technical information.)

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