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UC2843AQD8 from TI,Texas Instruments

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UC2843AQD8

Manufacturer: TI

Automotive Catalog Current-Mode PWM Controller 8-SOIC -40 to 125

Partnumber Manufacturer Quantity Availability
UC2843AQD8 TI 1650 In Stock

Description and Introduction

Automotive Catalog Current-Mode PWM Controller 8-SOIC -40 to 125 The UC2843AQD8 is a current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** 7.6V to 30V (operating), up to 30V (absolute max)  
- **Switching Frequency:** Up to 500kHz  
- **Output Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 1MHz  
- **UVLO (Undervoltage Lockout):** On: 8.4V (typ), Off: 7.6V (typ)  
- **Operating Temperature Range:** -40°C to +105°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- Designed for DC-DC converter applications  
- Features include adjustable switching frequency, current sensing, and soft-start capability  
- Includes a high-gain error amplifier, precision voltage reference, and PWM comparator  

### **Features:**  
- Current-mode control for improved transient response  
- Automatic feed-forward compensation  
- Latching PWM for cycle-by-cycle current limiting  
- Internal trimmed bandgap reference (5V ±1%)  
- Low startup and operating current  
- Under-voltage lockout with hysteresis  

This information is sourced from TI's official documentation.

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