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LTC1147LIS8. from LT

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LTC1147LIS8.

Manufacturer: LT

High Efficiency Step-Down Switching Regulator Controllers

Partnumber Manufacturer Quantity Availability
LTC1147LIS8.,LTC1147LIS8 LT 35 In Stock

Description and Introduction

High Efficiency Step-Down Switching Regulator Controllers The LTC1147LIS8 is a high-efficiency switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 40V  
- **Output Voltage Range:** Adjustable (via external components)  
- **Switching Frequency:** 100kHz (fixed)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Lead SOIC (IS8)  
- **Regulation Method:** Synchronous Buck  
- **Efficiency:** Up to 95% (depending on external components)  
- **Quiescent Current:** 1.5mA (typical)  

### **Descriptions and Features:**  
- **Synchronous Operation:** Reduces power loss by replacing the external Schottky diode with a MOSFET.  
- **Low Dropout Operation:** Maintains regulation even when the input voltage is close to the output.  
- **Burst Mode® Operation:** Enhances efficiency at light loads by reducing switching losses.  
- **Soft-Start Function:** Prevents excessive inrush current during startup.  
- **Adjustable Output Voltage:** Configured using external resistors.  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and battery-powered applications.  
- **Short-Circuit Protection:** Improves reliability in fault conditions.  

This device is commonly used in DC-DC converter applications requiring high efficiency and compact designs.

Application Scenarios & Design Considerations

High Efficiency Step-Down Switching Regulator Controllers

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