LTC3859AHFE#TRPBF 是 ADI (Analog Devices) 品牌产品，深圳市弘迈达科技有限公司可为您提供该型号的库存查询、价格报价、数据手册、BOM 配单及电子元器件供应链服务。
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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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