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UC2573DG4 from TI/BB,Texas Instruments

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UC2573DG4

Manufacturer: TI/BB

Buck Pulse Width Modulator Stepdown Voltage Regulator 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UC2573DG4 TI/BB 37 In Stock

Description and Introduction

Buck Pulse Width Modulator Stepdown Voltage Regulator 8-SOIC -40 to 85 The UC2573DG4 is a switching regulator controller manufactured by Texas Instruments (TI) and Burr-Brown (BB). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Range:** Adjustable  
- **Switching Frequency:** 100kHz (fixed)  
- **Duty Cycle Range:** 0% to 100%  
- **Output Current:** Up to 1A (dependent on external components)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16  

### **Descriptions:**  
- The UC2573DG4 is a **buck/boost/SEPIC switching regulator controller** designed for DC-DC converter applications.  
- It provides **voltage mode control** with adjustable output voltage.  
- Suitable for **step-up (boost), step-down (buck), and inverting configurations**.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 40V)**  
- **Adjustable Output Voltage**  
- **Internal 1A Peak Current Driver**  
- **Undervoltage Lockout (UVLO) Protection**  
- **Soft-Start Capability**  
- **Current Limiting and Thermal Shutdown Protection**  
- **Low Standby Current**  

This information is sourced from the manufacturer's datasheet.

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