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LTC1261LCMS8-4.5 from LT

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LTC1261LCMS8-4.5

Manufacturer: LT

Switched Capacitor Regulated Voltage Inverter

Partnumber Manufacturer Quantity Availability
LTC1261LCMS8-4.5,LTC1261LCMS845 LT 1000 In Stock

Description and Introduction

Switched Capacitor Regulated Voltage Inverter The LTC1261LCMS8-4.5 is a switched-capacitor voltage inverter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** LT (Linear Technology)  
- **Part Number:** LTC1261LCMS8-4.5  
- **Package:** MSOP-8  
- **Output Voltage:** -4.5V (fixed)  
- **Input Voltage Range:** 2V to 5.5V  
- **Output Current:** Up to 50mA  
- **Switching Frequency:** 350kHz (typical)  
- **Efficiency:** Up to 90%  
- **Quiescent Current:** 0.5mA (typical)  
- **Operating Temperature Range:** 0°C to 70°C  

### **Descriptions and Features:**  
- The LTC1261LCMS8-4.5 is a fixed-output switched-capacitor voltage inverter that generates a regulated -4.5V output from a positive input voltage.  
- It uses an external capacitor to invert the input voltage efficiently.  
- Low quiescent current makes it suitable for battery-powered applications.  
- No inductors are required, simplifying PCB design.  
- Features a shutdown mode to reduce power consumption when not in use.  
- Internal soft-start circuitry minimizes inrush current.  

This device is commonly used in applications requiring a negative voltage supply, such as data acquisition systems, portable instruments, and LCD bias supplies.

Application Scenarios & Design Considerations

Switched Capacitor Regulated Voltage Inverter

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