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LTC3605 Datasheet 5A Synchronous Step-Down Regulator

Manufacturer: Linear Technology (now Analog Devices)

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General Description

The LTC®3605 is a high efficiency, monolithic synchronous buck regulator using a phase lockable controlled on-time constant frequency, current mode architecture.

PolyPhase operation allows multiple LTC3605 regulators to run out of phase while using minimal input and output capacitance.

The operating supply voltage range is from 15V down to 4V, making it suitable for dual lithium-ion battery inputs as well as point of load power supply applications from a 12V or 5V rail.

Key Features

  • nn High Efficiency: Up to 96% nn 5A Output Current nn 4V to 15V VIN Range nn Integrated Power N-Channel MOSFETs (70mΩ Top and 35mΩ Bottom) nn Adjustable Frequency 800kHz to 4MHz nn PolyPhase® Operation (Up to 12 Phases) nn Output Tracking nn 0.6V ±1% Reference Accuracy nn Current Mode Operation for Excellent Line and Load Transient Response nn Shutdown Mode Draws Less Than 15µA Supply Current nn Available in 24-Pin (4mm × 4mm) QFN Package.

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Analog Devices Logo LTC3605 5A Synchronous Step-Down Regulator Analog Devices

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