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UC3842AD8G4 from TI,Texas Instruments

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UC3842AD8G4

Manufacturer: TI

Current Mode PWM Controller 8-SOIC 0 to 70

Partnumber Manufacturer Quantity Availability
UC3842AD8G4 TI 5 In Stock

Description and Introduction

Current Mode PWM Controller 8-SOIC 0 to 70 The UC3842AD8G4 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage (VCC):** 16V (typical)  
- **Output Drive Current:** ±1A (peak)  
- **Switching Frequency:** Up to 500 kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8 (D8)  

### **Descriptions:**  
The UC3842AD8G4 is designed for offline and DC-to-DC converter applications. It provides precise duty cycle control with current-mode operation, improving loop response and simplifying compensation.  

### **Features:**  
- **Current-Mode Control:** Enhances line and load regulation.  
- **Automatic Feed-Forward Compensation:** Improves transient response.  
- **Undervoltage Lockout (UVLO):** Ensures proper startup and shutdown.  
- **Pulse-by-Pulse Current Limiting:** Enhances system protection.  
- **Internal Trimmed Bandgap Reference:** Provides stable voltage regulation.  
- **Low Startup Current:** Typically 0.5mA.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  

This device is commonly used in power supplies, battery chargers, and LED drivers.  

(Note: All details are based on the manufacturer's datasheet.)

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