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LTC3614 Datasheet 4mhz Monolithic Synchronous Step-down DC/dc Converter

Manufacturer: Linear Technology (now Analog Devices)

General Description

The LTC®3614 is a low quiescent current monolithic synchronous buck regulator using a current mode, constant frequency architecture.

The no-load DC supply current in sleep mode is only 75µA while maintaining the output voltage (Burst Mode operation) at no load, dropping to zero current in shutdown.

The 2.25V to 5.5V input supply voltage range makes the LTC3614 ideally suited for single Li-Ion as well as fixed low voltage input applications.

Key Features

  • n 4A Output Current n 2.25V to 5.5V Input Voltage Range n Low Output Ripple Burst Mode® Operation: IQ = 75µA n ±1% Output Voltage Accuracy n Output Voltage Down to 0.6V n High Efficiency: Up to 95% n Low Dropout Operation: 100% Duty Cycle n Programmable Slew Rate on SW Node Reduces Noise and EMI n Adjustable Switching Frequency: Up to 4MHz n Optional Active Voltage Positioning (AVP) with Internal Compensation n Selectable Pulse-Skipping/Forced Continuous/Burst Mode Operation with Adju.

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