Manufacturer Part Number
LT3840EUFE#PBF
Manufacturer
Analog Devices
Introduction
High-performance power management integrated circuit for DC-DC conversion
Product Features and Performance
Step-Down Switching Controller
Supports Positive or Negative Output Configuration
Single Output with One-Phase Operation
Supports a wide Voltage Supply Range of 2.5V to 60V
Adjustable Switching Frequency from 50kHz to 1MHz
Up to 99% Maximum Duty Cycle
Incorporates Synchronous Rectification for Efficiency
Features Clock Synchronization
Surface Mount Technology
Product Advantages
High efficiency for power conservation
Flexible operating voltage range suitable for various applications
High frequency operation for less noisy power conversion
Can be used for both positive and negative output voltages
Durability over a wide range of operating temperatures
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Topology: Buck
Number of Outputs: 1
Output Phases: 1
Frequency - Switching: 50kHz ~ 1MHz
Duty Cycle (Max): 99%
Voltage - Supply (Vcc/Vdd): 2.5V ~ 60V
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Built to operate reliably in extreme temperatures ranging from -40°C to 125°C
Compatibility
Designed for surface mount application
38-WFQFN Exposed Pad for efficient heat dissipation
Application Areas
High-efficiency power supply modules
Industrial control systems
Telecommunication infrastructure
Automotive electronics
Product Lifecycle
Status: Active
No announced discontinuation and replacements or upgrades should be available
Several Key Reasons to Choose This Product
Versatile Input Voltage Range accommodating multiple power sources
High Frequency Switching capacity for compact power supply design
Able to provide both positive and negative outputs enhancing design flexibility
High Duty Cycle for high power applications
Thermal performance enhanced by the QFN package design
Synchronous Rectification feature for improved power efficiency
Robust operating temperature range suitable for harsh environments