Manufacturer Part Number
LT3990EMSE#TRPBF
Manufacturer
Analog Devices
Introduction
The LT3990 is a robust DC-DC switching regulator designed for power management applications.
Product Features and Performance
Step-Down (Buck) regulator topology
Adjustable output voltage range
Single output channel
2V to 62V input voltage range
21V to 25V adjustable output voltage
Output current capability of 350mA
Switching frequency range from 210kHz to 2.3MHz
Operates without a synchronous rectifier
Thermal performance with operating temperatures ranging from -40°C to 125°C
Product Advantages
High input voltage range suitable for various applications
Flexible output voltage adjustment for diverse use-cases
High efficiency due to Buck topology
Wide range of switching frequencies allows optimization for efficiency or component size
Capable of operating in a wide range of environmental conditions
Key Technical Parameters
Minimum Input Voltage: 4.2V
Maximum Input Voltage: 62V
Minimum Output Voltage: 1.21V
Maximum Output Voltage: 25V
Output Current: 350mA
Switching Frequency: 210kHz to 2.3MHz
Operating Temperature Range: -40°C to 125°C
Mounting Type: Surface Mount
Package / Case: 16-TFSOP with Exposed Pad
Supplier Device Package: 16-MSOP-EP
Quality and Safety Features
Built-in overtemperature protection
Reliable performance in extreme temperature environments
Compatibility
Compatible with a wide range of input sources
Flexible for use with various output load requirements
Application Areas
Industrial and automotive electronics
Telecommunications
Portable devices
Power supply modules
Product Lifecycle
Status: Active
No indication of discontinuation and replacements or upgrades should be available.
Several Key Reasons to Choose This Product
Capable of handling high input voltage scenarios
Versatile for power regulation across a broad range of electronics
Adjustable output voltage provides design flexibility
Different switching frequencies accommodate trade-offs in efficiency and size
Robust thermal performance ensures reliability in harsh conditions
Active product status with ongoing support and availability
LT398CS8LT
LT3988IMSELinear Technology / Analog Devices