LTC3862HFE#PBF

LINEAR TECHNOLOGY  LTC3862HFE#PBF  直流/直流控制器, 2相, 恒频, 4V至36V, 1路输出, 升压, SEPIC, 500kHz, TSSOP-24

The is a 2-phase current-mode step-up DC/DC Controller that drives N-channel power MOSFETs. Two phase operation reduces system filtering capacitance and inductance requirements. The operating frequency can be set with an external resistor over a 75 to 500kHz range and can be synchronized to an external clock using the internal PLL. Multi-phase operation is possible using the SYNC input, the CLKOUT output and the PHASEMODE control pin allowing 2-, 3-, 4-, 6- or 12-phase operation. Other features include an internal 5V LDO with undervoltage lockout protection for the gate drivers, a precision RUN pin threshold with programmable hysteresis, soft-start and programmable leading edge blanking and maximum duty cycle.

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2-phase Operation reduces input and output Capacitance

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Fixed frequency, peak current mode control

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5V Gate drive for logic-level MOSFETs

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Adjustable slope compensation gain

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Up to 96% adjustable maximum duty cycle

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Adjustable leading edge blanking

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±1% Internal voltage reference

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Internal 5V LDO regulator