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UC2842D8TRG4 from TI,Texas Instruments

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UC2842D8TRG4

Manufacturer: TI

Current-Mode PWM Controller 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UC2842D8TRG4 TI 5000 In Stock

Description and Introduction

Current-Mode PWM Controller 8-SOIC -40 to 85 The UC2842D8TRG4 is a current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** 8.4V to 30V (start-up voltage: 16V typical)  
- **Operating Frequency:** Up to 500kHz  
- **Output Duty Cycle:** 0% to 100%  
- **Output Current (Source/Sink):** 1A (peak)  
- **Reference Voltage:** 5V (±1%)  
- **Error Amplifier Gain Bandwidth:** 1MHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions and Features:**  
- Designed for offline and DC-DC converter applications  
- Automatic feed-forward compensation  
- Latching PWM for cycle-by-cycle current limiting  
- Under-voltage lockout (UVLO) with hysteresis  
- Low start-up and operating current  
- High-current totem-pole output for driving MOSFETs  
- Internal trimmed oscillator for precise frequency control  
- Soft-start capability  

This device is commonly used in power supply designs, including flyback, forward, and boost converters.

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