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UCC3809PWTR-1 from TI,Texas Instruments

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UCC3809PWTR-1

Manufacturer: TI

1

Partnumber Manufacturer Quantity Availability
UCC3809PWTR-1,UCC3809PWTR1 TI 187 In Stock

Description and Introduction

1 The UCC3809PWTR-1 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Operating Frequency:** Up to 1 MHz  
- **Supply Voltage (VCC):** 10V to 20V  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Start-up Current:** 150 µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TSSOP-16 (PW)  

### **Descriptions:**  
The UCC3809PWTR-1 is designed for high-frequency switching power supplies, providing precise control for efficient power conversion. It features cycle-by-cycle current limiting, undervoltage lockout (UVLO), and soft-start functionality.  

### **Features:**  
- **Current-Mode Control:** Ensures fast transient response and simplified loop compensation.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Synchronization Capability:** Can be synchronized to an external clock.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **Low Start-up Current:** Enables efficient power-up.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  

This device is commonly used in AC/DC converters, DC/DC converters, and power supply applications.  

(Source: Texas Instruments Datasheet)

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