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UC3842AD8 from MOTOROLA

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UC3842AD8

Manufacturer: MOTOROLA

Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UC3842AD8 MOTOROLA 130 In Stock

Description and Introduction

Current Mode PWM Controller The UC3842AD8 is a high-performance current-mode PWM controller manufactured by Motorola. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 8V to 30V  
- **Output Frequency:** Up to 500 kHz  
- **Output Current (Peak):** ±1A  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC (D8)  

### **Descriptions:**  
- Designed for DC-DC converter applications.  
- Provides precise voltage regulation with current-mode control.  
- Includes an under-voltage lockout (UVLO) feature for reliable startup.  
- Optimized for offline and DC-DC power supplies.  

### **Features:**  
- **Current-Mode Operation:** Enhances loop response and simplifies compensation.  
- **Adjustable Oscillator:** Allows frequency programming with external components.  
- **Error Amplifier:** High-gain bandwidth for stable feedback control.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Pulse-by-Pulse Current Limiting:** Protects against overloads.  
- **Low Startup Current:** Typically 0.5mA for efficient operation.  

This information is based solely on Motorola's datasheet for the UC3842AD8.

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