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LM2734XMKX from NS,National Semiconductor

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LM2734XMKX

Manufacturer: NS, NS国半

Thin SOT23 1A Load Step-Down DC-DC Regulator

Partnumber Manufacturer Quantity Availability
LM2734XMKX NS, NS国半 30000 In Stock

Description and Introduction

Thin SOT23 1A Load Step-Down DC-DC Regulator The LM2734XMKX is a switching regulator manufactured by Texas Instruments (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
Texas Instruments (NS)  

### **Specifications:**  
- **Input Voltage Range:** 3V to 20V  
- **Output Voltage Range:** Adjustable from 0.8V to 18V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 550 kHz or 1.6 MHz (selectable)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOT-23 (6-pin)  

### **Descriptions:**  
The LM2734XMKX is a step-down (buck) DC-DC converter designed for high-efficiency power conversion. It integrates a high-side MOSFET and provides a compact solution for applications requiring regulated power supplies.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 3V to 20V input  
- **Adjustable Output Voltage:** Configurable via external resistors  
- **High Switching Frequency:** Reduces external component size  
- **Internal Compensation:** Simplifies design  
- **Thermal Shutdown and Overcurrent Protection:** Enhances reliability  
- **Low Quiescent Current:** Improves efficiency at light loads  

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

Application Scenarios & Design Considerations

Thin SOT23 1A Load Step-Down DC-DC Regulator

Alternative Part Number

  • TPS54331DR --: 3A 28V step-down converter in SOIC-8 with similar input range and current rating, widely available and pin-compatible in function.
  • MP1584EN --: 3A 28V synchronous step-down regulator in SOIC-8, low-cost alternative with comparable switching frequency and load capability.
  • AP3211KTR-G1 --: 1.5A 24V step-down converter in SOT-23-6, suitable for lower-current designs needing a smaller footprint replacement.

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