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LM2681M6 from NS,National Semiconductor

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LM2681M6

Manufacturer: NS

Switched Capacitor Voltage Converter

Partnumber Manufacturer Quantity Availability
LM2681M6 NS 511 In Stock

Description and Introduction

Switched Capacitor Voltage Converter The LM2681M6 is a switched capacitor voltage converter manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Options:** Fixed +5V or Adjustable (via external resistors)  
- **Output Current:** Up to 50mA  
- **Switching Frequency:** 150kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-6 (M6)  

### **Descriptions:**  
The LM2681M6 is a charge pump DC-DC converter that generates a regulated output voltage from an input supply. It uses a switched capacitor architecture, eliminating the need for an inductor. The device is designed for low-power applications requiring small PCB footprints.  

### **Features:**  
- No external inductor required  
- Low quiescent current (100µA typical)  
- Soft-start feature to limit inrush current  
- Thermal shutdown protection  
- Short-circuit protection  
- Available in fixed +5V or adjustable output versions  

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

Application Scenarios & Design Considerations

Switched Capacitor Voltage Converter
Partnumber Manufacturer Quantity Availability
LM2681M6 NSC 1900 In Stock

Description and Introduction

Switched Capacitor Voltage Converter The LM2681M6 is a switched capacitor voltage converter manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** National Semiconductor (NSC)  
- **Type:** Switched Capacitor Voltage Converter  
- **Package:** SOT-23-6  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Options:** Fixed +5V (±4%) or Adjustable (via external resistors)  
- **Output Current:** Up to 50mA  
- **Switching Frequency:** 160kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 120µA (typical)  

### **Descriptions:**
The LM2681M6 is a charge-pump voltage doubler that generates a regulated output voltage from a single input supply. It uses a switched capacitor technique to provide a stable output without requiring an inductor. The device is designed for low-power applications requiring efficient voltage conversion.

### **Features:**
- **No Inductor Required** – Uses external capacitors for voltage conversion.  
- **Low Noise Operation** – Minimizes output ripple.  
- **Low Power Consumption** – Ideal for battery-powered applications.  
- **Fixed or Adjustable Output** – Supports a fixed +5V output or adjustable via external resistors.  
- **Short-Circuit Protection** – Includes internal current limiting.  
- **Small Form Factor** – Available in a compact SOT-23-6 package.  

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

Application Scenarios & Design Considerations

Switched Capacitor Voltage Converter

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