The LT3971IMSE-3.3#TRPBF is a high-performance buck switching voltage regulator from Analog Devices, designed to provide efficient and precise voltage conversion for various electronic applications. This integrated circuit is specifically engineered to step down input voltages from 4.3V to 38V to a fixed 3.3V output, delivering a robust 1.2A of current with excellent thermal and electrical performance.
As a compact surface-mount device packaged in a 10-MSOP-EP configuration, this regulator addresses critical design challenges in power management, offering engineers a versatile solution for compact and power-efficient electronic systems. The IC operates across an extended temperature range of -40°C to 125°C, ensuring reliable performance in diverse environmental conditions.
Key features include a flexible switching frequency range of 200kHz to 2MHz, which allows designers to optimize power efficiency and electromagnetic interference characteristics. The synchronous buck topology enables high-efficiency voltage conversion with minimal power loss, making it ideal for battery-powered and low-power electronic devices.
Primary advantages of this voltage regulator include its lead-free and RoHS-compliant design, compact form factor, and ability to maintain stable output under varying input voltage conditions. Its single positive output configuration makes it particularly suitable for powering microcontrollers, sensors, communication modules, and other low-voltage electronic components.
Typical application areas encompass portable electronics, automotive systems, industrial control equipment, telecommunications infrastructure, and consumer devices requiring precise and efficient power management.
Equivalent or alternative models in the same product family include other variants of the LT3971 series, such as different fixed output voltage versions (e.g., 1.8V, 2.5V) or models with slightly different current handling capabilities. Engineers should consult Analog Devices' comprehensive product documentation for precise cross-referencing and compatibility information.
The LT3971IMSE-3.3#TRPBF represents a robust, efficient, and versatile solution for modern electronic power management requirements, offering superior performance in a compact and thermally efficient package.
LT3971IMSE-3.3#TRPBF Key Technical Attributes
Voltage - Input (Min): 4.3V
Voltage - Input (Max): 38V
Voltage - Output (Min/Fixed): 3.3V
LT3971IMSE-3.3#TRPBF Packing Size
Type: Tape & Reel (TR)
Material: MSOP10
Size: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Thermal Characteristics: Operating Temperature -40°C ~ 125°C (TJ)
Electrical Properties: Output Current 1.2A, Frequency - Switching: 200kHz ~ 2MHz
LT3971IMSE-3.3#TRPBF Application
This DC DC switching regulator is suited for a variety of applications including but not limited to power management in consumer electronics, industrial systems, and telecommunications equipment.
LT3971IMSE-3.3#TRPBF Features
The LT3971IMSE-3.3#TRPBF is a Buck Switching Regulator IC that guarantees a fixed output of 3.3V. It operates efficiently with an input voltage range from 4.3V to 38V and delivers an output current of 1.2A. This regulator supports a switching frequency range from 200 kHz to 2 MHz, allowing flexibility in optimizing efficiency and component size. The device is built without a synchronous rectifier. This model is housed in a compact 10-MSOP package with an exposed pad for enhanced thermal management.
LT3971IMSE-3.3#TRPBF Quality and Safety Features
The regulator maintains a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating superior durability and reliability. It also meets RoHS compliance standards, ensuring safety through the restriction of hazardous substances in electronic components.
LT3971IMSE-3.3#TRPBF Compatibility
The LT3971 series regulator is designed for straightforward integration into various electronic systems due to its compliance with industry-standard MSOP10 packaging and surface mount assembly requirements.
LT3971IMSE-3.3#TRPBF Datasheet PDF
Our website provides the most authoritative datasheet for the LT3971IMSE-3.3#TRPBF, containing comprehensive details on specifications, pin configurations, application notes, and more. We recommend downloading it directly from our product page to ensure you have all relevant information for design and verification processes.
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