Manufacturer Part Number
LT3990EMSE-3.3#TRPBF
Manufacturer
Analog Devices
Introduction
The LT3990EMSE-3.3#TRPBF is a step-down DC-DC converter designed for power management applications.
Product Features and Performance
Step-Down (Buck) regulator topology
Fixed 3.3V output voltage
One output channel
Support for input voltage range from 4.2V to 62V
Output current up to 350mA
Adjustable switching frequency from 210kHz to 2.3MHz
Non-synchronous rectification
Operational temperature range -40°C to 125°C
Surface mount 16-TFSOP package with exposed pad
Product Advantages
Wide input voltage range suitable for various applications
Versatility with adjustable switching frequency
High-temperature operational capability
Compact 16-TFSOP packaging for space-constrained applications
Key Technical Parameters
Input Voltage (Min): 4.2V
Input Voltage (Max): 62V
Output Voltage (Min/Fixed): 3.3V
Output Current: 350mA
Switching Frequency: 210kHz ~ 2.3MHz
Quality and Safety Features
Extended operating temperature for reliability in harsh environments
Overtemperature and overcurrent protection
Compatibility
Compatible with surface mount technology for PCB assembly
16-MSOP-EP package for standardized board layouts
Application Areas
Industrial controls
Automotive systems
Telecommunications equipment
Portable electronics
Product Lifecycle
Active product status
Not indicated as nearing discontinuation
Availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
Optimal choice for systems requiring a fixed 3.3V power supply
Broad input voltage range accommodates varying power sources
Adaptable switching frequency for efficiency or noise minimization
Suitable for rugged environments with high-temperature tolerance
Compact form factor aids in design for space-limited applications