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LTC3772 - Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller

Features

  • No Current Sense Resistor Required.
  • 40µA No-Load Quiescent Current.
  • High Output Currents Easily Achieved.
  • Internal Soft-Start Ramps VOUT.
  • Wide VIN Range: 2.75V to 9.8V.
  • Low Dropout: 100% Duty Cycle.
  • Constant Frequency 550kHz Operation.
  • Low Ripple Burst Mode® Operation at Light Load.
  • Output Voltage as Low as 0.8V.
  • ±1.5% Voltage Reference Accuracy.
  • Current Mode Operation for Excellent Line and Load Transient Response.
  • Only 8µA.

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Datasheet preview – LTC3772

Datasheet Details

Part number LTC3772
Manufacturer Linear Technology
File Size 252.60 KB
Description Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller
Datasheet download datasheet LTC3772 Datasheet
Additional preview pages of the LTC3772 datasheet.

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Full PDF Text Transcription

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U U LTC3772 Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller FEATURES ■ No Current Sense Resistor Required ■ 40µA No-Load Quiescent Current ■ High Output Currents Easily Achieved ■ Internal Soft-Start Ramps VOUT ■ Wide VIN Range: 2.75V to 9.8V ■ Low Dropout: 100% Duty Cycle ■ Constant Frequency 550kHz Operation ■ Low Ripple Burst Mode® Operation at Light Load ■ Output Voltage as Low as 0.8V ■ ±1.5% Voltage Reference Accuracy ■ Current Mode Operation for Excellent Line and Load Transient Response ■ Only 8µA Supply Current in Shutdown ■ Low Profile 8-Lead SOT-23 (1mm) and (3mm × 2mm) DFN U (0.
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