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LTC3858EUH#PBF from LINEAR

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LTC3858EUH#PBF

Manufacturer: LINEAR

Low IQ, Dual 2-Phase Synchronous Step-Down Controller

Partnumber Manufacturer Quantity Availability
LTC3858EUH#PBF,LTC3858EUHPBF LINEAR 34 In Stock

Description and Introduction

Low IQ, Dual 2-Phase Synchronous Step-Down Controller The LTC3858EUH#PBF is a synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 38V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Switching Frequency Range:** 50kHz to 900kHz  
- **Maximum Duty Cycle:** 98%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 32-Lead QFN (5mm x 5mm)  
- **Topology:** Synchronous Buck Controller  
- **Control Method:** Current Mode  
- **Features:**  
  - Adjustable frequency  
  - Programmable soft-start  
  - Power good output  
  - Differential remote sensing  
  - Phase-lockable oscillator  
  - Low shutdown current (<1µA)  
  - Adjustable current limit  

### **Descriptions and Features:**  
The LTC3858EUH#PBF is a high-performance, synchronous step-down DC/DC controller designed for high efficiency and precision power supply applications. It drives all N-channel power MOSFET stages and supports a wide input voltage range, making it suitable for automotive, industrial, and telecom applications.  

Key features include:  
- **High Efficiency:** Minimizes power loss with synchronous rectification.  
- **Precision Reference:** ±1% output voltage accuracy over temperature.  
- **Differential Sensing:** Ensures accurate output voltage regulation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Phase-Lockable Oscillator:** Allows synchronization to an external clock.  
- **Current Mode Control:** Provides fast transient response and cycle-by-cycle current limiting.  
- **Thermal Protection:** Prevents overheating.  

This controller is commonly used in point-of-load (POL) regulators, distributed power systems, and battery-powered applications.  

*(Note: All information is based on the manufacturer's datasheet.)*

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