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UC2843BD1013TR from ST,ST Microelectronics

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UC2843BD1013TR

Manufacturer: ST

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

Partnumber Manufacturer Quantity Availability
UC2843BD1013TR ST 25000 In Stock

Description and Introduction

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER The UC2843BD1013TR is a PWM controller IC manufactured by STMicroelectronics.  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Type:** Current Mode PWM Controller  
- **Package:** SOIC-8  
- **Operating Voltage Range:** 8V to 30V  
- **Output Current:** ±1A (Peak)  
- **Switching Frequency:** Up to 500 kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Under-Voltage Lockout (UVLO)  
  - Current Mode Operation  
  - Latching PWM for Cycle-by-Cycle Current Limiting  
  - Internal Trimmed Bandgap Reference  
  - High-Current Totem Pole Output  
  - Low Start-Up Current (<1mA)  

### **Descriptions and Features:**  
The UC2843BD1013TR is a high-performance fixed-frequency current-mode PWM controller. It is designed for offline and DC-DC converter applications, providing precise regulation with minimal external components.  

Key features include:  
- **Current Mode Control:** Improves loop response and simplifies compensation.  
- **Programmable Oscillator:** Allows frequency adjustment via external components.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Error Amplifier:** Provides high gain-bandwidth for tight regulation.  
- **Protection Features:** Includes UVLO and cycle-by-cycle current limiting.  

This IC is commonly used in power supplies, battery chargers, and industrial control systems.

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