Manufacturer Part Number
LT3845IFE#TRPBF
Manufacturer
Analog Devices
Introduction
High voltage, step-down DC DC switching controller for power supply applications
Product Features and Performance
High input voltage range: 4V to 60V
Integrated synchronous rectifier for improved efficiency
Selectable switching frequency up to 300kHz
Enables design of converters with a single stage power conversion
Soft start feature to reduce inrush current during startup
Frequency synchronization to external clock signals
Supports design of high-density power solutions due to small package footprint
Operational temperature range suitable for industrial applications: -40°C to 125°C
Product Advantages
Highly efficient power conversion due to synchronous rectification
Stable operation over a wide supply voltage range
Thermal performance enhanced with exposed pad package
Allows for synchronization in multi-phase power supply systems
Enables complex power management schemes with frequency control and soft start features
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Output Configuration: Positive
Topology: Buck
Number of Outputs: 1
Output Phases: 1
Voltage - Supply (Vcc/Vdd): 4V to 60V
Frequency - Switching: 300kHz
Quality and Safety Features
Designed for operation in high-temperature environments up to 125°C
Constructed with reliability considerations for industrial standards
Compatibility
Suitable for use with a variety of loads in step-down regulator configurations
Compatible with standard 16-TSSOP-EP surface mount packaging for PCBs
Application Areas
Power supplies for industrial and automotive systems
Telecommunications infrastructure
Distributed power systems and point-of-load conversions
High-performance computing and server applications
Product Lifecycle
Status: Active
Periodic assessments for potential updates or replacements as part of Analog Devices' product maintenance
Several Key Reasons to Choose This Product
Robust input voltage range facilitates versatile application use
High switching frequency and synchronous rectification ensure high efficiency
Strong thermal performance with an exposed pad TSSOP package
Compatibility with external synchronization enhances multi-phase system design
Ease of integration within multiple power management schemes with comprehensive control features
Renowned manufacturer with a reputation for quality and reliability in the power management industry