説明
Analog Devices / Linear Technology LTC3854EDDB#PBFの詳細は販売業者から提供されます。
Cut Tape Small Footprint, Low Pin Count Synchronous Step-Down Controller with Wide Vin Range
Dual Switching Controller, Current-mode, 0.04A, 440kHz Switching Freq-Max, PDSO12
IC REG CTRLR BUCK PWM CM 12-DFN
The LTC3854 is a high performance synchronous stepdown switching DC/DC controller that drives an all N-channel synchronous power MOSFET stage. The LTC3854 features a 400kHz constant frequency current mode architecture. The LTC3854 operates from a 4.5V to 38V (40V absolute maximum) input voltage range and regulates the output voltage from 0.8V to 5.5V. The RUN/SS pin provides both soft-start and enable features. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. Current foldback limits MOSFET dissipation during short circuit conditions. Current foldback functions are disabled during soft-start. The LTC3854 has a minimum on-time at 75ns, making it well suited for high step-down ratios. The strong onboard MOSFET drivers allow the use of high power external MOSFETs to produce output currents up to 20A. Applications Automotive Systems Telecom Systems Industrial Equipment Distributed DC Power Systems
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- LINEAR TECHNOLOGY(ANALOG DEVICES-ADI)
- LINEAR INTEGRATED SYSTEMS INC
- Analog Devices LINEAR
- Analog Devices Inc / Linear Technology Corp
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- ON-BRIGHT ELECTRONICS CO LTD