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LTC3891EFE#PBF from LINEAR

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LTC3891EFE#PBF

Manufacturer: LINEAR

Low IQ, 60V Synchronous Step-Down Controller

Partnumber Manufacturer Quantity Availability
LTC3891EFE#PBF,LTC3891EFEPBF LINEAR 23 In Stock

Description and Introduction

Low IQ, 60V Synchronous Step-Down Controller The LTC3891EFE#PBF is a high-performance synchronous step-down DC/DC controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 60V  
- **Output Voltage Range:** 0.8V to 24V  
- **Switching Frequency Range:** 50kHz to 900kHz (adjustable)  
- **Maximum Output Current:** Up to 20A (dependent on external components)  
- **Efficiency:** Up to 98%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 28-Lead TSSOP  

### **Descriptions:**  
The LTC3891EFE#PBF is a versatile, high-efficiency synchronous buck controller designed for applications requiring high input voltages and precise output regulation. It features a wide input voltage range, making it suitable for automotive, industrial, and telecom applications. The controller supports both N-channel MOSFETs and includes advanced features such as adjustable frequency, current-mode control, and programmable soft-start.  

### **Features:**  
- **Wide Input Voltage Range:** 4V to 60V  
- **Adjustable Output Voltage:** 0.8V to 24V  
- **High Efficiency:** Up to 98%  
- **Programmable Frequency (50kHz–900kHz)**  
- **Current-Mode Control with Selectable Forced Continuous or Burst Mode® Operation**  
- **Adjustable Soft-Start**  
- **Power Good Output Indicator**  
- **Low Quiescent Current:** 40µA in Sleep Mode  
- **Phase-Lockable Frequency (PLL)**  
- **Precision 0.8V Reference (±1% over temperature)**  

This controller is designed for demanding power supply applications where high efficiency, wide input range, and robust performance are required.

Application Scenarios & Design Considerations

Low IQ, 60V Synchronous Step-Down Controller

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