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LM2734ZMKX from NSC,National Semiconductor

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LM2734ZMKX

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM2734ZMKX NSC 6000 In Stock

Description and Introduction

Thin SOT23 1A Load Step-Down DC-DC Regulator The LM2734ZMKX is a step-up DC-DC converter manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 14V  
- **Output Voltage Range:** Adjustable up to 24V  
- **Switching Frequency:** 550 kHz or 1.6 MHz (selectable)  
- **Output Current:** Up to 1A (depending on input/output conditions)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 6-Pin SOT-23 (ZMK)  

### **Descriptions:**  
- The LM2734ZMKX is a high-efficiency, current-mode boost (step-up) DC-DC converter.  
- It integrates a low-resistance N-channel MOSFET switch for improved efficiency.  
- Designed for battery-powered applications, portable devices, and LED drivers.  
- Features a fixed-frequency PWM control scheme for stable operation.  

### **Features:**  
- **Adjustable Output Voltage** via external resistor divider  
- **Internal Soft-Start** to reduce inrush current  
- **Under-Voltage Lockout (UVLO)** for protection  
- **Thermal Shutdown** to prevent overheating  
- **Synchronous Rectification** (optional) for higher efficiency  
- **Low Shutdown Current** (<1µA)  

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

Application Scenarios & Design Considerations

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

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