Manufacturer Part Number
LT3990IMSE-5#PBF
Manufacturer
Analog Devices
Introduction
The LT3990IMSE-5#PBF is a step-down (buck) switching regulator designed for power management, specifically in applications that require a fixed output from a higher input voltage.
Product Features and Performance
Step-down (Buck) topology for efficient voltage regulation
Fixed output configuration ensuring stable voltage delivery
Operates over a wide input voltage range from 4.2V to 62V
Delivers a fixed output voltage of 5V
Maximum output current of 350mA
Switching frequency adjustable between 210kHz and 2.3MHz
Operates efficiently in temperatures ranging from -40°C to 125°C
Product Advantages
High reliability in handling wide input voltage variations
Compact 16-TFSOP package suitable for space-constrained applications
Fixed output reduces complexity in circuit design
Key Technical Parameters
Voltage Input (Min): 4.2V
Voltage Input (Max): 62V
Voltage Output (Min/Fixed): 5V
Current Output: 350mA
Frequency Switching: 210kHz to 2.3MHz
Operating Temperature: -40°C to 125°C
Quality and Safety Features
Built to withstand industrial temperature ranges
Enclosed in a robust package ensuring durability and heat management
Compatibility
Suitable for surface mount technology allowing ease of integration into various circuit designs
Application Areas
Industrial controls
Portable devices
Power supply units
Product Lifecycle
Currently in active status
Not nearing discontinuation, with ongoing support and availability
Several Key Reasons to Choose This Product
Broad input voltage range suitable for unstable power supplies
High efficiency and reliability in extreme temperature environments
Configurable switching frequency for greater design flexibility
Compact and robust package design
Stable fixed output ideal for critical applications that require precise voltage.