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LTC3717 from LT

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LTC3717

Manufacturer: LT

Wide Operating Range, No R

Partnumber Manufacturer Quantity Availability
LTC3717 LT 69 In Stock

Description and Introduction

Wide Operating Range, No R The LTC3717 is a high-efficiency, synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable via external resistors)  
- **Switching Frequency:** 50kHz to 1MHz (programmable with external resistor)  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SSOP or TSSOP  

### **Descriptions:**
- The LTC3717 is designed to drive N-channel MOSFETs in a synchronous buck converter topology.  
- It provides high efficiency across a wide input voltage range, making it suitable for applications like telecom, industrial, and automotive systems.  
- The controller includes features like adjustable frequency, soft-start, and current-mode control for stable operation.  

### **Features:**
- **Synchronous Operation:** Reduces power loss by replacing the Schottky diode with a MOSFET.  
- **Programmable Frequency:** Allows optimization for efficiency or component size.  
- **Current-Mode Control:** Ensures fast transient response and stable operation.  
- **Soft-Start:** Prevents inrush current during startup.  
- **Low Dropout Operation:** Supports 100% duty cycle for low input-output differentials.  
- **Power Good Output:** Monitors output voltage status.  
- **Short-Circuit Protection:** Enhances system reliability.  

For detailed application notes and schematics, refer to the official datasheet from Analog Devices (formerly Linear Technology).

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