Manufacturer Part Number
LT3973EMSE#PBF
Manufacturer
Analog Devices
Introduction
The LT3973 is a versatile step-down DC-DC switching regulator optimized for power management applications, featuring a wide input and output voltage range.
Product Features and Performance
Step-Down (Buck) topology
Adjustable output voltage
Single output channel
Input voltage range from 4.2V to 42V
Output voltage range from 1.21V to 24V
Maximum output current of 750mA
Switching frequency between 195 kHz and 2.15 MHz
Product Advantages
Wide input and output voltage capability suitable for diverse applications
Flexible switching frequency allows optimization between efficiency and component size
Key Technical Parameters
Function: Step-Down
Output Configuration: Positive
Topology: Buck
Number of Outputs: 1
Voltage Input (Min): 4.2V
Voltage Input (Max): 42V
Voltage Output (Min/Fixed): 1.21V
Voltage Output (Max): 24V
Current Output: 750mA
Frequency Switching: 195kHz ~ 2.15MHz
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Operates efficiently within a broad temperature range (-40°C to +125°C) ensuring reliability under varying environmental conditions
Compatibility
Surface Mount, 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Application Areas
Ideal for telecommunications, automotive, and industrial control systems
Product Lifecycle
Currently active with no indication of discontinuation
Availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
Broad input voltage range supports applications in unstable voltage environments
Adjustable output voltage provides design flexibility
High switching frequency range allows for smaller passive components
Robust thermal performance suitable for a wide range of operating temperatures
Compact MSOP package suitable for space-constrained applications
LT3973HDD#PBFLinear Technology
LT3972IMSELT