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UCC3813D-4 from UCC

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UCC3813D-4

Manufacturer: UCC

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Partnumber Manufacturer Quantity Availability
UCC3813D-4,UCC3813D4 UCC 1400 In Stock

Description and Introduction

0 The UCC3813D-4 is a BiCMOS advanced PWM controller manufactured by Texas Instruments. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments  
- **Type:** PWM Controller  
- **Technology:** BiCMOS  
- **Package:** SOIC-14  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 10V to 17V (VCC)  
- **Output Current (Source/Sink):** 1A (Peak)  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **UVLO (Undervoltage Lockout):** 9.6V (Turn-On), 8.4V (Turn-Off)  

### **Descriptions:**  
The UCC3813D-4 is a high-performance current-mode PWM controller designed for power supply applications. It provides precise regulation and protection features, making it suitable for AC/DC and DC/DC converters. The device includes a high-speed oscillator, error amplifier, and current-sensing comparator for accurate control.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Programmable Oscillator:** Adjustable frequency via external components.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Error Amplifier:** Wide bandwidth for fast transient response.  
- **Synchronization Capability:** Allows synchronization to an external clock.  
- **Overcurrent Protection:** Includes cycle-by-cycle current limiting.  
- **Low Power Consumption:** Optimized for efficiency.  
- **Totem-Pole Outputs:** High-current drive capability for MOSFETs.  

This information is based solely on the manufacturer's datasheet. For detailed application notes, refer to Texas Instruments' official documentation.

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