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UC3842BDR2G from ON,ON Semiconductor

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UC3842BDR2G

Manufacturer: ON

High Performance Current Mode Controllers

Partnumber Manufacturer Quantity Availability
UC3842BDR2G ON 30 In Stock

Description and Introduction

High Performance Current Mode Controllers The **UC3842BDR2G** is a high-performance current-mode PWM controller manufactured by **ON Semiconductor**.  

### **Key Specifications:**  
- **Topology**: Current-mode PWM controller  
- **Input Voltage Range**: 7.6V to 30V (operating), up to 36V (absolute max)  
- **Output Drive Current**: ±1A (peak)  
- **Switching Frequency**: Up to 500kHz  
- **Duty Cycle Range**: 0% to 100%  
- **Error Amplifier Bandwidth**: 1MHz  
- **Low Start-Up Current**: <1mA  
- **Undervoltage Lockout (UVLO)**: 8.4V (on), 7.6V (off)  
- **Package**: SOIC-8  

### **Descriptions & Features:**  
- Designed for **offline and DC-DC converter** applications  
- **Precision reference** (5V ±1%) for stable regulation  
- **Current-mode control** for improved transient response  
- **Latching PWM** for cycle-by-cycle current limiting  
- **Soft-start** capability for controlled startup  
- **Automatic feed-forward compensation**  
- **Low-power consumption** in standby mode  
- **Internal trimmed oscillator** for precise frequency control  
- **Under-voltage lockout (UVLO)** ensures proper startup and shutdown  

This IC is widely used in **power supplies, battery chargers, and flyback converters**.

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