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UC2842BDR2G from ON,ON Semiconductor

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31.250ms

UC2842BDR2G

Manufacturer: ON

High Performance Current Mode Controllers

Partnumber Manufacturer Quantity Availability
UC2842BDR2G ON 1050 In Stock

Description and Introduction

High Performance Current Mode Controllers The **UC2842BDR2G** is a high-performance current-mode PWM controller manufactured by **ON Semiconductor**.  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** 8V to 30V (start-up voltage: 16V typical, UVLO threshold: 10V on/8V off)  
- **Operating Frequency:** Up to 500kHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 1MHz  
- **Soft-Start Capability:** Yes  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Package:** SOIC-8  

### **Descriptions:**  
The UC2842BDR2G is designed for offline and DC-DC converter applications. It features high-speed switching, precise duty cycle control, and built-in protection functions such as undervoltage lockout (UVLO) and cycle-by-cycle current limiting.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Programmable Oscillator:** Allows flexible frequency setting with an external resistor and capacitor.  
- **Automatic Feed-Forward Compensation:** Enhances line regulation.  
- **Pulse-by-Pulse Current Limiting:** Provides cycle-by-cycle protection.  
- **Internal Trimmed Bandgap Reference:** Ensures stable 5V output (±1% accuracy).  
- **Low Startup and Operating Current:** Reduces power consumption.  

This device is commonly used in power supplies, battery chargers, and industrial applications requiring efficient PWM control.

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