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LTC3549 - 250mA Low VIN Buck Regulator

Features

  • 1.6V to 5.5V Input Voltage Range.
  • Internal Soft-Start.
  • Low Ripple Burst Mode® Operation Output Ripple:.

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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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LTC3549 250mA Low VIN Buck Regulator in 2mm × 3mm DFN U U FEATURES ■ 1.6V to 5.5V Input Voltage Range ■ Internal Soft-Start ■ Low Ripple Burst Mode® Operation Output Ripple: <20mVP-P IQ: 50µA ■ 2.25MHz Constant-Frequency Operation ■ High Efficiency: Up to 93% ■ 250mA Output Current (VIN = 1.8V, VOUT = 1.2V) ■ 450mA Peak Inductor Current ■ No Schottky Diode Required ■ Low Dropout Operation: 100% Duty Cycle ■ 0.611V Reference Voltage ■ Stable with Ceramic Capacitors ■ Shutdown Mode Draws <1µA Supply Current ■ Current Mode Operation for Excellent Line and Load Transient Response ■ Overtemperature Protection ■ Available in a Low Profile (0.
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