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LM2662MX from NS,National Semiconductor

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LM2662MX

Manufacturer: NS

Switched Capacitor Voltage Converter

Partnumber Manufacturer Quantity Availability
LM2662MX NS 10000 In Stock

Description and Introduction

Switched Capacitor Voltage Converter The LM2662MX is a CMOS voltage converter manufactured by Texas Instruments (NS). It can generate either positive or negative voltages using a single power supply.  

### **Specifications:**  
- **Input Voltage Range:** 1.5V to 5.5V  
- **Output Voltage Options:**  
  - Doubles input voltage (2x Vin)  
  - Inverts input voltage (-Vin)  
- **Output Current:** Up to 40mA  
- **Switching Frequency:** 160kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The LM2662MX is a switched-capacitor voltage converter that requires minimal external components (only two flying capacitors). It is designed for low-power applications and provides both step-up (doubler) and inverting (negative output) functions.  

### **Features:**  
- Low operating current: 300µA (typical)  
- No inductors required  
- Low external component count  
- Automatic shutdown at 1µA (typical)  
- Can operate in voltage doubler or inverter mode  
- Thermal shutdown protection  

This IC is commonly used in battery-powered devices, portable instruments, and other applications requiring efficient voltage conversion.

Application Scenarios & Design Considerations

Switched Capacitor Voltage Converter

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