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UCC3837N from TI,Texas Instruments

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UCC3837N

Manufacturer: TI

8-Pin N-FET Linear Regulator Controller

Partnumber Manufacturer Quantity Availability
UCC3837N TI 2593 In Stock

Description and Introduction

8-Pin N-FET Linear Regulator Controller The UCC3837N is a synchronous buck controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable down to 1.25V  
- **Switching Frequency:** 100kHz to 500kHz (adjustable)  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**
- The UCC3837N is a high-performance synchronous buck PWM controller designed for DC-DC converter applications.  
- It integrates control, drive, and protection features to efficiently regulate output voltage in step-down power supplies.  
- Suitable for telecom, industrial, and computing applications requiring high efficiency and compact power solutions.  

### **Features:**
- **Synchronous Rectification:** Reduces power loss by replacing the freewheeling diode with a MOSFET.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within the input voltage range.  
- **Current Mode Control:** Provides fast transient response and simplified loop compensation.  
- **Error Amplifier:** Supports precise output voltage regulation.  

This information is based on the manufacturer's datasheet and technical documentation. For detailed application notes or design considerations, refer to the official TI resources.

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