LTC3859AHFE#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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LTC3859AHFE#TRPBF belongs to the Analog Devices LTC3859A family. It is a high performance triple output synchronous DC/DC switching regulator controller that combines two buck controllers and one boost controller in one device.
This architecture is useful when a design needs several regulated rails from an input source that may be above, below, or changing around the required rail voltages.
Manufacturer: ADI / Analog Devices
Base device: LTC3859A
Product category: switching regulator controller
Topology: dual buck plus single boost synchronous controller
Input bias range: 4.5 V to 38 V
Cold-crank support: outputs can remain regulated through input dips down to 2.5 V after startup when properly biased
Buck output range: 0.8 V to 24 V
Boost output capability: up to 60 V
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 systems
Battery-operated digital devices
Distributed DC power systems
Multioutput buck-boost power supplies
Industrial controllers and embedded platforms requiring several regulated rails
Homehta supports LTC3859AHFE#TRPBF RFQ requests for prototype, repair, and production sourcing. To speed up quotation, include target quantity, required packaging, delivery country, acceptable lead time, and any approved substitutes.
For design-controlled projects, confirm whether the BOM requires LTC3859A specifically or whether LTC3859AL or other suffixes may be evaluated.
What type of power controller is LTC3859AHFE#TRPBF?
It is an ADI triple output synchronous controller with two buck channels and one boost channel.
What applications use this part?
Typical uses include automotive always-on systems, battery-operated products, distributed power, and multioutput DC/DC power supplies.
What should be checked before replacement?
Check the full part suffix, package, temperature range, frequency settings, compensation design, and approved alternate list.
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