DC/DC Switching Regulator, Synchronous, Dual, 2.5 V to 5.5 V in, 5.5 V/0.6A out, 2.7 MHz, MSOP-10

LTC3419EMS#PBF - DC/DC Switching Regulator, Synchronous, Dual, 2.5 V to 5.5 V in, 5.5 V/0.6A out, 2.7 MHz, MSOP-10

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Product Overview

The LTC3419EMS#PBF is a constant-frequency synchronous step-down DC/DC Converter with 100% duty cycle provides low dropout operation, extending battery life in portable systems. Low output voltages are supported with the 0.6V feedback reference voltage. Each regulator can supply 600mA output current. The input voltage range is 2.5 to 5.5V, making it ideal for Li-Ion and USB powered applications. Supply current during operation is only 35µA and drops to <1µA in shutdown. A user-selectable mode input allows the user to trade-OFF between high efficiency Burst Mode operation and pulse-skipping mode. An internally set 2.25MHz switching frequency allows the use of tiny surface mount inductors and capacitors. Internal soft-start reduces inrush current during start-up. Both outputs are internally compensated to work with ceramic output capacitors.
  • Up to 96% high efficiency dual step-down outputs
  • No Schottky diodes required
  • Internally compensated for all ceramic capacitors
  • Independent internal soft-start for each channel
  • Current mode operation for excellent line and load transient response
  • User-selectable Burst Mode® operation
  • Short-circuit protected
  • 1µA Ultra-low shutdown current
  • 100% Duty cycle low dropout operation


Wireless, Communications & Networking, Consumer Electronics, Portable Devices, Audio, Computers & Computer Peripherals, Power Management

Product Information

2 Output
Synchronous Buck (Step Down)
MSL 1 - Unlimited
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