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UC2843AQD8RG4 from TI,Texas Instruments

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UC2843AQD8RG4

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
UC2843AQD8RG4 TI 5000 In Stock

Description and Introduction

Automotive Catalog Current-Mode PWM Controller 8-SOIC -40 to 125 **Manufacturer:** Texas Instruments (TI)  

**Part Number:** UC2843AQD8RG4  

### **Specifications:**  
- **Category:** Integrated Circuit (IC)  
- **Function:** Current Mode PWM Controller  
- **Topology:** Flyback, Forward, Boost, Buck  
- **Output Type:** Single  
- **Output Configuration:** Push-Pull  
- **Number of Outputs:** 1  
- **Voltage - Supply (Vcc/Vdd):** 8.4V to 30V  
- **Duty Cycle (Max):** 100%  
- **Frequency - Switching:** Up to 500kHz  
- **Synchronous Rectifier:** No  
- **Clock Sync:** No  
- **Operating Temperature:** -40°C to +85°C  
- **Package / Case:** SOIC-8  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The UC2843AQD8RG4 is a high-performance current-mode PWM controller designed for DC-DC converter applications. It features precise duty cycle control, undervoltage lockout (UVLO), and high-frequency operation. The device is optimized for offline and DC-DC power supplies with minimal external components.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Undervoltage Lockout (UVLO):** Ensures reliable startup and shutdown.  
- **Adjustable Oscillator Frequency:** Up to 500kHz operation.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Pulse-by-Pulse Current Limiting:** Enhances system protection.  
- **Low Startup Current:** Reduces power consumption during startup.  
- **SOIC-8 Package:** Compact and suitable for surface-mount applications.  

This information is sourced from the manufacturer's datasheet.

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