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UC2844D8TR from TI,Texas Instruments

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15.625ms

UC2844D8TR

Manufacturer: TI

Current-Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UC2844D8TR TI 4000 In Stock

Description and Introduction

Current-Mode PWM Controller The UC2844D8TR is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC2844D8TR  
- **Type:** Current-Mode PWM Controller  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** Up to 30V  
- **Switching Frequency:** Up to 500kHz  
- **Output Current:** ±1A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Features:**  
  - Adjustable frequency operation  
  - Automatic feed-forward compensation  
  - Latching PWM for cycle-by-cycle current limiting  
  - Under-voltage lockout (UVLO) with hysteresis  
  - High-current totem-pole output  
  - Low startup and operating current  

### **Descriptions & Features:**  
- The UC2844D8TR is designed for offline and DC-DC converter applications.  
- It provides precise control of switching power supplies with minimal external components.  
- The device includes a trimmed oscillator for accurate duty cycle control and frequency stability.  
- It has built-in protection features such as under-voltage lockout (UVLO) and current limiting.  
- The high-current totem-pole output is optimized for driving power MOSFETs efficiently.  

This PWM controller is commonly used in power supply designs for industrial, telecom, and consumer electronics applications.  

Would you like additional technical details or application notes?

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