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LT1945 from LT

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LT1945

Manufacturer: LT

Dual Micropower DC/DC Converter with Positive and Negative Outputs

Partnumber Manufacturer Quantity Availability
LT1945 LT 100 In Stock

Description and Introduction

Dual Micropower DC/DC Converter with Positive and Negative Outputs The LT1945 is a high efficiency switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 3.6V to 25V  
- **Output Voltage Range:** Adjustable from 1.25V to 20V  
- **Output Current:** Up to 1.1A  
- **Switching Frequency:** 1.2MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Lead MSOP  

### **Descriptions:**  
- The LT1945 is a step-down (buck) switching regulator with a built-in power switch.  
- It operates in a constant-frequency, current-mode architecture for stable performance.  
- Designed for low noise and high efficiency, making it suitable for battery-powered and space-constrained applications.  

### **Features:**  
- **Low Dropout Operation:** Maintains regulation even when the input voltage is close to the output.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Synchronizable Switching Frequency:** Can be synchronized to an external clock.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  

This information is based solely on the manufacturer's datasheet.

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