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LT3641IUFD#PBF from LINEAR

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LT3641IUFD#PBF

Manufacturer: LINEAR

Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer

Partnumber Manufacturer Quantity Availability
LT3641IUFD#PBF,LT3641IUFDPBF LINEAR 12 In Stock

Description and Introduction

Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer The LT3641IUFD#PBF is a monolithic step-down switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable from 0.6V to 18V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 2.25MHz (typical)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead QFN (4mm × 4mm)  
- **Topology:** Synchronous buck regulator  

### **Descriptions:**  
- The LT3641IUFD#PBF is a high-efficiency, monolithic step-down DC/DC converter with an integrated power switch.  
- It operates at a high switching frequency, allowing the use of small external components.  
- The device includes internal compensation, soft-start, and thermal shutdown protection.  
- It is designed for applications requiring compact, high-performance power conversion.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 36V input.  
- **High Efficiency:** Up to 94% efficiency with synchronous rectification.  
- **Adjustable Output Voltage:** Programmable from 0.6V to 18V.  
- **Low Dropout Operation:** Maintains regulation with minimal headroom.  
- **Integrated Power Switches:** Reduces external component count.  
- **2.25MHz Switching Frequency:** Enables small inductor and capacitor sizes.  
- **Internal Compensation:** Simplifies design and reduces external components.  
- **Soft-Start & Thermal Shutdown:** Enhances reliability.  
- **Burst Mode® Operation:** Improves efficiency at light loads.  

This regulator is suitable for industrial, automotive, and portable applications requiring high efficiency and compact power solutions.

Application Scenarios & Design Considerations

Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer

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