LTC3624
LTC3624-2
Info : RECOMMENDED FOR NEW DESIGNS
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LTC3624
LTC3624-2

17V, 2A Synchronous Step-Down Regulator with 3.5μA Quiescent Current

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 60
1ku List Price Starting From $3.54
Features
  • Wide VIN Range: 2.7V to 17V
  • Wide VOUT Range: 0.6V to VIN
  • 95% Max Efficiency
  • Low IQ: 3.5μA, Zero-Current Shutdown
  • Constant Frequency (1MHz/2.25MHz)
  • Fixed VOUT Options Available
  • Low Dropout Operation (100% Duty Cycle) with Ultralow IQ
  • 2A Rated Output Current
  • ±1% Output Voltage Accuracy
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Synchronizable to External Clock
  • Pulse-Skipping, Forced Continuous, Burst Mode® Operation
  • Internal Compensation and Soft-Start
  • Overtemperature Protection
  • Compact 8-Lead DFN (3mm × 3mm) Package
Additional Details
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The LTC3624/LTC3624-2 is a high efficiency 17V, 2A synchronous monolithic step-down regulator. The switching frequency is fixed to 1MHz (LTC3624) or 2.25MHz (LTC3624-2) with a ±40% synchronization range. The regulator features ultralow quiescent current and high efficiency over a wide VOUT range.

The step-down regulator operates from an input voltage range of 2.7V to 17V and provides an adjustable output range from 0.6V to VIN while delivering up to 2A of output current. A user-selectable mode input is provided to allow the user to trade off ripple noise for light load efficiency; Burst Mode operation provides the highest efficiency at light loads, while pulse-skipping mode provides the lowest voltage ripple. The MODE pin can also be used to sync the switching frequency to an external clock.

LTC3624/LTC3624-2 Options

Part Number Frequency VOUT
LTC3624 1MHz Adjustable
LTC3624-3.3 1MHz 3.3V
LTC3624-5 1MHz 5V
LTC3624-2 2.25MHz Adjustable
LTC3624-23.3 2.25MHz 3.3
LTC3624-25 2.25MHz 5V

Applications

  • Battery Powered Equipment
  • Portable Instrumentation
  • Emergency Radios
  • General Purpose Step-Down Supplies
Part Models 60
1ku List Price Starting From $3.54

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Documentation

Documentation

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Product Lifecycle

PCN

Apr 11, 2019

- 19_0067

Notification of Wafer Fab Location Change for 0.35 BCD Process

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