Manufacturer Part Number
LT8614HUDC#TRPBF
Manufacturer
Analog Devices
Introduction
High-efficiency step-down DC/DC converter
Product Features and Performance
Adjustable output voltage from 3.3V to 30V
Compatible with input voltages from 3.4V to 42V
Up to 4A of output current
Switching frequency range 200kHz to 3MHz
Synchronous rectification for improved efficiency
Supports high-temperature operation -40°C to 150°C
Surface mount 20-WFQFN package with exposed pad for thermal management
Product Advantages
Optimized for low EMI noise
Fast minimum on-time allows for high V_IN to low V_OUT conversion
Low quiescent current suitable for battery-powered systems
Internally compensated to minimize external components
Key Technical Parameters
Voltage - Input (Min): 3.4V
Voltage - Input (Max): 42V
Voltage - Output (Min/Fixed): 3.3V
Voltage - Output (Max): 30V
Current - Output: 4A
Frequency - Switching: 200kHz ~ 3MHz
Operating Temperature: -40°C ~ 150°C (TJ)
Quality and Safety Features
Built-in over-temperature protection
Short-circuit protection
Thermal regulation to prevent overheating
Compatibility
20-QFN (3x4) package compatible with automated SMT assembly processes
Suited for high density circuit boards
Application Areas
Power supply modules
Automotive electronics
Industrial equipment
Telecommunication infrastructure
Product Lifecycle
Product status is active
Not reported as nearing discontinuation
Supports future upgrades and replacements detailed by manufacturer
Several Key Reasons to Choose This Product
High efficiency reduces heat and improves battery life in portable devices
Low ripple and EMI favorable for sensitive RF and precision analog applications
Wide input voltage range suitable for industrial and automotive systems
High switching frequency range allows for small, low-cost, and efficient inductors
Synchronous rectification enables high efficiency across load ranges
Robust thermal performance enhances reliability in high-temperature environments