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LM2682MMX from NS,National Semiconductor

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LM2682MMX

Manufacturer: NS

Switched Capacitor Voltage Doubling Inverter

Partnumber Manufacturer Quantity Availability
LM2682MMX NS 7465 In Stock

Description and Introduction

Switched Capacitor Voltage Doubling Inverter The LM2682MMX is a dual-output switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 30V  
- **Output Voltage 1 (Fixed):** 5V  
- **Output Voltage 2 (Adjustable):** 1.25V to 5.5V  
- **Switching Frequency:** 160kHz  
- **Output Current (Each Regulator):** Up to 400mA  
- **Efficiency:** Up to 85%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin MSOP  

### **Descriptions:**  
The LM2682MMX integrates two switching regulators—one fixed 5V output and one adjustable output (1.25V to 5.5V). It is designed for low-power applications requiring dual regulated outputs with high efficiency.  

### **Features:**  
- Dual-output switching regulator  
- Low quiescent current (1.5mA typical)  
- Built-in soft-start for controlled startup  
- Over-temperature protection  
- Short-circuit protection  
- Synchronizable switching frequency  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to the official documentation.

Application Scenarios & Design Considerations

Switched Capacitor Voltage Doubling Inverter
Partnumber Manufacturer Quantity Availability
LM2682MMX NS/PBF 1175 In Stock

Description and Introduction

Switched Capacitor Voltage Doubling Inverter The LM2682MMX is a switched capacitor voltage doubler manufactured by Texas Instruments (NS/PBF).  

**Key Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage:** Up to 2× the input voltage (adjustable)  
- **Output Current:** Up to 50mA  
- **Switching Frequency:** 160kHz (typical)  
- **Low Quiescent Current:** 50µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin MSOP (MM)  

**Features:**  
- Adjustable output voltage  
- Low output ripple  
- Soft-start function to limit inrush current  
- Thermal shutdown protection  
- No external diodes required  

**Applications:**  
- Battery-powered devices  
- Portable instruments  
- LCD bias supplies  
- Low-power systems requiring voltage doubling  

This IC is designed for efficient DC-DC conversion in space-constrained applications.

Application Scenarios & Design Considerations

Switched Capacitor Voltage Doubling Inverter

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