LTC3859ALHFE#TRPBF by ADI (Analog Devices) is available from Shenzhen Homehta Technology Co., Ltd.. Request the latest price, stock availability, datasheet and sourcing support for your BOM and electronic component purchasing needs.
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LTC3859ALHFE#TRPBF is an Analog Devices LTC3859AL orderable part. The LTC3859AL family is a low quiescent current triple output synchronous DC/DC controller with two buck channels and one boost channel. It is designed for systems that need multiple regulated rails from a changing battery or DC input.
The part is useful in power architectures where the buck rails must stay regulated during wide input movement, including automotive cold-crank and battery-fed operating conditions.
Manufacturer: ADI / Analog Devices
Base device: LTC3859AL
Product category: switching regulator controller
Topology: triple output buck/buck/boost synchronous controller
Input bias range: 4.5 V to 38 V, with operation from lower input after startup when biased from an auxiliary or boost output
Buck output range: 0.8 V to 24 V
Boost output capability: up to 60 V
Low operating IQ: 28 uA with one channel on, according to Analog Devices product information
Frequency: phase-lockable 75 kHz to 850 kHz; programmable fixed frequency 50 kHz to 900 kHz
Package: 38-lead TSSOP family for HFE suffix; operating temperature range listed by ADI for this suffix is -40 deg C to 150 deg C
Automotive always-on and start-stop power systems
Battery-operated digital devices
Distributed DC power systems
Multioutput buck-boost applications
Industrial and embedded equipment with wide input voltage movement
Homehta can help source LTC3859ALHFE#TRPBF for production builds, repairs, and urgent BOM requirements. Please provide required quantity, acceptable date code, packaging preference, and whether LTC3859AL or LTC3859A alternates can be reviewed.
Before approving an alternate, compare the full suffix, temperature grade, package, and quiescent-current requirement against the original design.
What is the main function of LTC3859ALHFE#TRPBF?
It is a triple output synchronous controller with two buck channels and one boost channel for multi-rail DC/DC power systems.
Why is the LTC3859AL version selected?
The LTC3859AL family emphasizes lower Burst Mode quiescent current, which is useful in always-on and battery-powered systems.
Can Homehta check compatible alternates?
Yes. Share the exact BOM line and design constraints so Homehta can help compare suffix, package, temperature grade, and availability.
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