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UCC3837D from UCC

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UCC3837D

Manufacturer: UCC

8-Pin N-FET Linear Regulator Controller

Partnumber Manufacturer Quantity Availability
UCC3837D UCC 560 In Stock

Description and Introduction

8-Pin N-FET Linear Regulator Controller The UCC3837D is a synchronous buck controller manufactured by Texas Instruments. Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable down to 0.9V  
- **Switching Frequency:** 100kHz to 500kHz (adjustable)  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The UCC3837D is a high-performance synchronous buck controller designed for DC-DC converter applications. It provides efficient power conversion with adjustable output voltage and switching frequency. The device supports synchronous rectification for improved efficiency and includes protection features such as overcurrent and undervoltage lockout (UVLO).  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by replacing the freewheeling diode with a MOSFET.  
- **Adjustable Output Voltage:** Set via external resistor divider.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Overcurrent Protection:** Safeguards against excessive load currents.  
- **100% Duty Cycle Capability:** Supports low dropout operation.  

This information is based solely on the manufacturer's datasheet.

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