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LM2734YMK from NS,National Semiconductor

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LM2734YMK

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM2734YMK NS 15990 In Stock

Description and Introduction

Thin SOT23 1A Load Step-Down DC-DC Regulator The LM2734YMK is a switching regulator manufactured by Texas Instruments (NS).  

**Specifications:**  
- **Input Voltage Range:** 3V to 20V  
- **Output Voltage Range:** Adjustable from 1.22V to 16V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 550 kHz or 1.6 MHz (depending on variant)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23 (5-pin)  

**Descriptions:**  
The LM2734YMK is a step-down (buck) DC-DC converter designed for high-efficiency voltage regulation. It integrates a high-side N-channel MOSFET and requires minimal external components.  

**Features:**  
- Adjustable output voltage via external resistors  
- Internal soft-start  
- Thermal shutdown protection  
- Current-mode control for improved transient response  
- Low shutdown current (<1µA)  
- Available in fixed and adjustable output versions  

This regulator is suitable for battery-powered applications, industrial systems, and portable electronics.

Application Scenarios & Design Considerations

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

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