Manufacturer Part Number
LTC3890EGN-1#TRPBF
Manufacturer
Analog Devices
Introduction
High performance dual output step-down DC DC switching controller
Product Features and Performance
Dual output step-down regulator
Wide input voltage range 4V to 60V
Up to 99% duty cycle for low dropout operation
Synchronous rectification for high efficiency
Independent control of each output
Fixed frequency operation with selectable frequency from 105kHz to 835kHz, and 350kHz to 535kHz
Product Advantages
High efficiency for reduced power loss
Low dropout operation capability
Robust design suitable for a wide range of input voltages
Dual outputs for multi-output power systems
Integrated features like soft start, tracking and power good for simplified system design
Key Technical Parameters
Number of Outputs: 2
Output Phases: 2
Frequency - Switching: Range of 105kHz to 835kHz and 350kHz to 535kHz
Voltage - Supply (Vcc/Vdd): 4V to 60V
Duty Cycle (Max): 99%
Operating Temperature: -40°C to 125°C (TJ)
Quality and Safety Features
Over temperature and over current protection for safe operation
Thermal shutdown
Compatibility
Surface Mount compatible with standard PCB manufacturing processes
28-SSOP package easily fits into various designs
Application Areas
High power density systems
Telecommunications
Industrial applications
Automobile electronics
Product Lifecycle
Active product stage
Not indicated as nearing discontinuation
Replacements or upgrades should be checked with the manufacturer for the current status
Several Key Reasons to Choose This Product
Highly efficient for energy-sensitive applications
Diverse input voltage range suitable for various power supplies
Designed for rugged industrial and automotive environments
Dual channel output for complex power system designs
Comprehensive features set enables versatile power management solutions
Long lifecycle and active status ensure product availability for new designs