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LTC3569 - Triple Buck Regulator

Description

The LTC®3569 contains three monolithic, synchronous step-down DC/DC converters.

Intended for medium power applications, it operates over a 2.5V to 5.5V input voltage range.

The operating frequency is adjustable from 1MHz to 3MHz, allowing the use of tiny, low cost capacitors and inductors.

Features

  • n Three Independent Current Mode Buck DC/DC Regulators (1.2A and 2 × 600mA) n Single Pin Programmable VFB Servo Voltages from 800mV Down to 425mV (in 25mV Steps) n Pull VFB High to Make Each 600mA Buck a Slave for Higher Current Operation n Pulse-Skipping or Burst Mode® Operation n Programmable Switching Frequency (1MHz to 3MHz) or Fixed 2.25MHz n Synchronizable (1.2MHz to 3MHz) n VIN Range 2.5V to 5.5V n All Regulators Internally Compensated n PGOOD Output Flag n Quiescent Current.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC3569 Triple Buck Regulator with 1.2A and Two 600mA Outputs and Individual Programmable References Features n Three Independent Current Mode Buck DC/DC Regulators (1.2A and 2 × 600mA) n Single Pin Programmable VFB Servo Voltages from 800mV Down to 425mV (in 25mV Steps) n Pull VFB High to Make Each 600mA Buck a Slave for Higher Current Operation n Pulse-Skipping or Burst Mode® Operation n Programmable Switching Frequency (1MHz to 3MHz) or Fixed 2.25MHz n Synchronizable (1.2MHz to 3MHz) n VIN Range 2.5V to 5.
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