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LM2737 from NS,National Semiconductor

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LM2737

Manufacturer: NS

N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages

Partnumber Manufacturer Quantity Availability
LM2737 NS 1823 In Stock

Description and Introduction

N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages The LM2737 is a switching regulator manufactured by Texas Instruments (not NS, as previously mentioned). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 3V to 20V  
- **Output Voltage Range:** Adjustable from 1.26V to 20V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 550 kHz (LM2737X) or 1.6 MHz (LM2737Y)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** SOT-23-6, WSON-6  

### **Descriptions:**  
The LM2737 is a step-up (boost) DC-DC switching regulator designed for applications requiring high efficiency and compact size. It integrates a high-side N-channel MOSFET and provides a fixed-frequency PWM control scheme.  

### **Features:**  
- **Internal N-Channel MOSFET:** Reduces external component count.  
- **Fixed-Frequency PWM Operation:** Ensures predictable noise performance.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Thermal Shutdown Protection:** Safeguards against overheating.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  

This information is based on Texas Instruments' official datasheet for the LM2737.

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