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UC2842DR from TI,Texas Instruments

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15.625ms

UC2842DR

Manufacturer: TI

Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UC2842DR TI 2370 In Stock

Description and Introduction

Current Mode PWM Controller The UC2842DR is a current-mode PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC2842DR  
- **Package:** SOIC-8  
- **Topology:** Current-Mode PWM Controller  
- **Input Voltage (VIN):** Up to 30V  
- **Output Voltage:** Adjustable (depends on external components)  
- **Switching Frequency:** Up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Start-Up Current:** <1mA  
- **Error Amplifier Gain Bandwidth:** 1MHz  
- **Output Drive Current:** ±1A (peak)  

### **Descriptions:**  
The UC2842DR is a high-performance fixed-frequency current-mode PWM controller. It is designed for offline and DC-DC converter applications, providing precise regulation and protection features. The device includes an oscillator, error amplifier, current sensing comparator, and a high-current totem-pole output driver.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Automatic Feed-Forward Compensation:** Enhances line regulation.  
- **Latching PWM for Cycle-by-Cycle Current Limiting:** Prevents overload conditions.  
- **Undervoltage Lockout (UVLO):** Ensures proper start-up and shutdown.  
- **Internal Trimmed Bandgap Reference:** Provides stable voltage regulation.  
- **High-Current Totem-Pole Output:** Directly drives power MOSFETs.  
- **Low Start-Up and Operating Current:** Improves efficiency.  
- **Programmable Oscillator Frequency:** Allows flexibility in design.  

This information is based solely on the manufacturer's datasheet and specifications.

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