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UC2843AD8G4 from UCC

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UC2843AD8G4

Manufacturer: UCC

Current Mode PWM Controller 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UC2843AD8G4 UCC 1950 In Stock

Description and Introduction

Current Mode PWM Controller 8-SOIC -40 to 85 The UC2843AD8G4 is a high-performance current-mode PWM controller manufactured by Texas Instruments (UCC).  

### **Key Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range (VCC):** 8.4V to 30V (start-up voltage: 16V typical)  
- **Operating Frequency:** Up to 500kHz  
- **Output Current (Peak):** ±1A (source/sink)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 1MHz  
- **Reference Voltage (VREF):** 5V ±1%  
- **Undervoltage Lockout (UVLO):** On: 16V (typ), Off: 10V (typ)  
- **Package:** SOIC-8 (D8)  

### **Descriptions and Features:**  
- Designed for offline and DC-DC converters  
- Automatic feed-forward compensation  
- Latching PWM for cycle-by-cycle current limiting  
- Internal trimmed bandgap reference  
- High-current totem-pole output  
- Low start-up and operating current  
- Soft-start capability  
- Under-voltage lockout with hysteresis  

This device is commonly used in power supply applications such as flyback, forward, and boost converters.  

(Source: Texas Instruments/UCC datasheet)

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