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LM2734YMK/NOPB from NS Pb-free,National Semiconductor

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LM2734YMK/NOPB

Manufacturer: NS Pb-free

Thin SOT23 1A Load Step-Down DC-DC Regulator 6-SOT -40 to 125

Partnumber Manufacturer Quantity Availability
LM2734YMK/NOPB,LM2734YMKNOPB NS Pb-free 60 In Stock

Description and Introduction

Thin SOT23 1A Load Step-Down DC-DC Regulator 6-SOT -40 to 125 The LM2734YMK/NOPB is a step-up DC-DC converter manufactured by Texas Instruments (NS).  

**Key Specifications:**  
- **Manufacturer:** Texas Instruments (NS)  
- **Package:** SOT-23 (TO-236) 6-Pin  
- **Pb-Free:** Yes (NOPB indicates lead-free)  
- **Type:** Switching Regulator (Boost)  
- **Input Voltage Range:** 2.7V to 14V  
- **Output Voltage:** Adjustable (up to 24V)  
- **Switching Frequency:** 550kHz or 1.6MHz (depending on variant)  
- **Output Current:** Up to 1A  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  

**Descriptions and Features:**  
- **High-Efficiency Boost Converter:** Designed for step-up (boost) voltage regulation.  
- **Adjustable Output:** External resistor divider allows flexible output voltage setting.  
- **Integrated Power MOSFET:** Simplifies design by including a 1A switch.  
- **Low Quiescent Current:** Improves efficiency at light loads.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **SOT-23 Package:** Compact footprint for space-constrained applications.  

This device is commonly used in battery-powered systems, LED drivers, and portable electronics requiring a higher voltage from a lower input.

Application Scenarios & Design Considerations

Thin SOT23 1A Load Step-Down DC-DC Regulator 6-SOT -40 to 125
Partnumber Manufacturer Quantity Availability
LM2734YMK/NOPB,LM2734YMKNOPB NSC 589 In Stock

Description and Introduction

Thin SOT23 1A Load Step-Down DC-DC Regulator 6-SOT -40 to 125 The LM2734YMK/NOPB is a switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 3V to 20V  
- **Output Voltage Range:** Adjustable from 1.21V to 20V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 550kHz (LM2734X) or 1.6MHz (LM2734Y)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-6 (Thin)  

### **Descriptions:**  
The LM2734YMK/NOPB is a step-up (boost) DC-DC converter with a high switching frequency, enabling the use of small external components. It is designed for battery-powered applications, portable devices, and LED drivers.  

### **Features:**  
- **High Switching Frequency:** Reduces inductor and capacitor size.  
- **Internal N-Channel MOSFET:** Enhances efficiency.  
- **Low Shutdown Current:** <1µA for power saving.  
- **Soft-Start Function:** Prevents inrush current.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Adjustable Output Voltage:** Via external resistors.  

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

Application Scenarios & Design Considerations

Thin SOT23 1A Load Step-Down DC-DC Regulator 6-SOT -40 to 125

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