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LTC1871EMS-PBF from LT

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LTC1871EMS-PBF

Manufacturer: LT

Current Mode Boost Flyback and SEPIC Controller

Partnumber Manufacturer Quantity Availability
LTC1871EMS-PBF,LTC1871EMSPBF LT 112 In Stock

Description and Introduction

Current Mode Boost Flyback and SEPIC Controller The **LTC1871EMS-PBF** is a high-efficiency, monolithic synchronous step-down switching regulator manufactured by **Linear Technology (now part of Analog Devices)**.  

### **Key Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Maximum Output Current:** Up to 10A (with external components)  
- **Switching Frequency:** 275kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Lead MSOP  

### **Descriptions & Features:**  
- **Synchronous Operation:** Uses an internal N-channel MOSFET for high efficiency.  
- **Low Quiescent Current:** 1.5mA in normal operation, 15µA in shutdown mode.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Current Mode Control:** Ensures fast transient response and stable operation.  
- **Short-Circuit & Overcurrent Protection:** Built-in safeguards.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and telecom applications.  

This regulator is designed for high-performance power supply applications requiring high efficiency and compact size.

Application Scenarios & Design Considerations

Current Mode Boost Flyback and SEPIC Controller

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