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LTC3605

Linear
Part Number LTC3605
Manufacturer Linear
Description 5A Synchronous Step-Down Regulator
Published Jan 3, 2021
Detailed Description Features nn High Efficiency: Up to 96% nn 5A Output Current nn 4V to 15V VIN Range nn Integrated Power N-Channel MOSFETs...
Datasheet PDF File LTC3605 PDF File

LTC3605
LTC3605

Overview
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 Applications nn Point of Load Power Supply nn Portable Instruments nn Distributed Power Systems nn Battery-Powered Equipment LTC3605 15V, 5A Synchronous Step-Down Regulator 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.
The operating frequency is programmable from 800kHz to 4MHz with an external resistor.
The high frequency capability allows the use of small surface mount inductors.
For switching noise sensitive applications, it can be externally synchronized from 800kHz to 4MHz.
The PHMODE pin allows user control of the phase of the outgoing clock signal.
The unique constant frequency/controlled on-time architecture is ideal for high step-down ratio applications that are operating at high frequency while demanding fast transient response.
Two internal phase-lock loops synchronize the internal oscillator to the external clock and also servos the regulator on-time to lock on to either the internal clock or the external clock if it’s present.
L, LT, LTC, LTM, Linear Technology, Linear logo, PolyPhase and OPTI-LOOP are registered trademarks of Linear Technology Corporation.
All other trademark...


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