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The LTC7872ELXE is a high performance step-up/down switching regulator controller that operates in buck or boost mode as required. It regulates from VHIGH to VLOW in buck mode and from VHIGH to VLOW in boost mode according to the control signal for 48V/12V automotive dual battery systems. A precise current programming loop regulates the maximum current that can be delivered in either direction, and the LTC7872 allows both batteries to supply energy to the load simultaneously by driving energy from one battery to the other.

Product Attributes

Output Type: Transistor Driver

Function: Boost, Buck

Output Configuration: Positive

Topology: Buck, Boost

Number of Outputs: 2

Output Stage: Programmable

Voltage - Supply (Vcc/Vdd): 1.2V ~ 100V

Frequency - Switching: 60kHz ~ 460kHz

Duty Cycle (Maximum): 98%

Synchronous Rectifier: Yes

Clock Synchronisation: Yes

Control Characteristics: Current Limit, Enable, Frequency Control, Phase Control, Soft Start

Operating Temperature: -40°C ~ 125°C (TA)

Mounting Type: Surface Mount

Package/Housing: 48-LQFP Exposed Pad

Supplier Device Package: 48-eLQFP (7x7)

Applications

● Automotive 48V/12V dual battery systems

● Backup power systems

• 1.Is the inventory and price seen on the platform accurate?

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• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

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