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LTC3867EUF#PBF from LINEAR

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LTC3867EUF#PBF

Manufacturer: LINEAR

Synchronous Step-Down DC/DC Controller with Differential Remote Sense and Nonlinear Control

Partnumber Manufacturer Quantity Availability
LTC3867EUF#PBF,LTC3867EUFPBF LINEAR 18 In Stock

Description and Introduction

Synchronous Step-Down DC/DC Controller with Differential Remote Sense and Nonlinear Control The LTC3867EUF#PBF is a high-performance synchronous step-down DC/DC controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 38V  
- **Output Voltage Range:** 0.6V to 5.5V  
- **Switching Frequency:** Adjustable from 50kHz to 900kHz  
- **Maximum Output Current:** Up to 20A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 24-Lead QFN (4mm x 4mm)  
- **Control Method:** Constant-frequency current-mode control  
- **Features:**  
  - Adjustable soft-start  
  - Power good indicator  
  - Programmable current limit  
  - External synchronization capability  
  - Low shutdown current (<1µA)  

### **Descriptions:**  
The LTC3867EUF#PBF is designed for high-efficiency step-down power conversion in applications requiring high output current. It uses an external N-channel MOSFET for synchronous rectification, improving efficiency. The controller supports adjustable switching frequency and can be synchronized to an external clock.  

### **Features:**  
- Wide input voltage range (4.5V to 38V)  
- High efficiency with synchronous rectification  
- Adjustable switching frequency (50kHz to 900kHz)  
- Programmable soft-start  
- Power good output signal  
- Low quiescent current in shutdown mode  
- Current-mode control for fast transient response  
- External synchronization capability  

This controller is commonly used in industrial, automotive, and telecom power supply applications.

Application Scenarios & Design Considerations

Synchronous Step-Down DC/DC Controller with Differential Remote Sense and Nonlinear Control

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