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UC2842AQD8 from TI,Texas Instruments

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UC2842AQD8

Manufacturer: TI

Automotive Catalog Current-Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UC2842AQD8 TI 4 In Stock

Description and Introduction

Automotive Catalog Current-Mode PWM Controller The UC2842AQD8 is a PWM controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC2842AQD8  
- **Package:** SOIC-8  
- **Type:** Current Mode PWM Controller  
- **Input Voltage (VCC):** 8.5V to 30V  
- **Operating Frequency:** Up to 500 kHz  
- **Output Current (Peak):** ±1A  
- **Duty Cycle Range:** 0% to 100%  
- **Start-Up Current:** <1mA  
- **Error Amplifier Gain Bandwidth:** 1 MHz  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The UC2842AQD8 is a high-performance current-mode PWM controller designed for offline and DC-DC converter applications. It features an adjustable oscillator, current sensing, and a totem-pole output stage for driving power MOSFETs. The device includes under-voltage lockout (UVLO) protection and cycle-by-cycle current limiting.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Automatic Feed-Forward Compensation:** Enhances line regulation.  
- **Under-Voltage Lockout (UVLO):** Ensures proper start-up and shutdown.  
- **Trimmed Oscillator Discharge Current:** Provides precise duty cycle control.  
- **High-Current Totem-Pole Output:** Directly drives power MOSFETs.  
- **Pulse-by-Pulse Current Limiting:** Protects against overloads.  
- **Internal Soft-Start:** Reduces start-up stresses.  
- **Low Start-Up and Operating Current:** Improves efficiency.  

This information is based solely on the manufacturer's datasheet for the UC2842AQD8.

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