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LM2621MM from NSC,National Semiconductor

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LM2621MM

Manufacturer: NSC

Low Input Voltage, Step-Up DC-DC

Partnumber Manufacturer Quantity Availability
LM2621MM NSC 91 In Stock

Description and Introduction

Low Input Voltage, Step-Up DC-DC The LM2621MM is a step-up DC-DC switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 0.8V to 14V  
- **Output Voltage Range:** Adjustable from 1.24V to 14V  
- **Switching Frequency:** 300 kHz (typical)  
- **Maximum Output Current:** Up to 1.5A (depending on input/output conditions)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin MSOP (MM)  

### **Descriptions:**  
The LM2621MM is a high-efficiency, low-voltage step-up DC-DC converter designed for battery-powered applications. It integrates a power MOSFET switch, reducing external component count. The device is optimized for low input voltage operation, making it suitable for single-cell or dual-cell battery systems.  

### **Features:**  
- Low start-up voltage (0.8V)  
- Adjustable output voltage via external resistors  
- Internal soft-start to limit inrush current  
- Low shutdown current (<1µA)  
- Thermal shutdown protection  
- Current limiting for overload protection  

This information is based on the manufacturer's datasheet.

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