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LTC3853EUJ#PBF from LINEAR

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LTC3853EUJ#PBF

Manufacturer: LINEAR

Triple Output, Multiphase Synchronous Step-Down Controller

Partnumber Manufacturer Quantity Availability
LTC3853EUJ#PBF,LTC3853EUJPBF LINEAR 806 In Stock

Description and Introduction

Triple Output, Multiphase Synchronous Step-Down Controller The LTC3853EUJ#PBF is a 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:** 0.8V to 5.5V  
- **Switching Frequency Range:** 50kHz to 900kHz (adjustable)  
- **Maximum Output Current:** Up to 20A (depending on external components)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 32-Lead QFN (5mm x 5mm)  

### **Descriptions:**  
- The LTC3853EUJ#PBF is a high-performance, dual-phase synchronous step-down switching regulator controller.  
- It drives all N-channel power MOSFET stages and is designed for high-efficiency power conversion.  
- Features include programmable current limit, adjustable switching frequency, and tracking capability for sequencing multiple outputs.  

### **Features:**  
- **Dual-Phase Operation:** Reduces input and output ripple current.  
- **Programmable Current Limit:** Uses inductor DCR sensing or sense resistors.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Fast Transient Response:** Uses a constant-frequency current-mode architecture.  
- **Power Good Output:** Monitors output voltage status.  
- **External Synchronization:** Supports synchronization to an external clock.  
- **Low Shutdown Current:** <1µA in shutdown mode.  

This controller is commonly used in high-power applications such as telecom, industrial, and computing systems.

Application Scenarios & Design Considerations

Triple Output, Multiphase Synchronous Step-Down Controller

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