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LT1945EMS#TRPBF from LINEAR

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LT1945EMS#TRPBF

Manufacturer: LINEAR

Dual Micropower DC/DC Converter with Positive and Negative Outputs

Partnumber Manufacturer Quantity Availability
LT1945EMS#TRPBF,LT1945EMSTRPBF LINEAR 875 In Stock

Description and Introduction

Dual Micropower DC/DC Converter with Positive and Negative Outputs The LT1945EMS#TRPBF is a high-efficiency, monolithic step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3.6V to 25V  
- **Output Voltage Range:** Adjustable from 1.22V to 20V  
- **Output Current:** Up to 1.1A  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Lead MSOP  

### **Descriptions:**  
- The LT1945EMS#TRPBF is a current-mode PWM buck regulator with integrated power switches.  
- It features low dropout operation, allowing the output to remain in regulation even when the input voltage is close to the output voltage.  
- The device includes internal soft-start, current limiting, and thermal shutdown protection.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 3.6V to 25V operation.  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Low Dropout Operation:** Maintains regulation even when VIN is close to VOUT.  
- **1.2MHz Switching Frequency:** Enables small external components.  
- **Internal Power Switches:** Simplifies design by eliminating the need for external MOSFETs.  
- **Protection Features:** Includes thermal shutdown and current limiting.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  

This regulator is suitable for applications requiring high efficiency and compact power solutions, such as portable devices, industrial systems, and automotive electronics.

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