LTC3407EDD-2#PBF - 

DC/DC Switching Regulator, Synchronous, 2 Output, 2.5 V - 5.5 V in, 5V/800 mA out, 2.7 MHz, DFN-10

LTC3407EDD-2#PBF - DC/DC Switching Regulator, Synchronous, 2 Output, 2.5 V - 5.5 V in, 5V/800 mA out, 2.7 MHz, DFN-10

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Product Overview

The LTC3407EDD-2#PBF is a dual constant frequency synchronous step-down DC/DC Regulator intended for low power applications, it operates from a 2.5 to 5.5V input voltage range and has a constant 2.25MHz switching frequency, enabling the use of tiny, low cost capacitors and inductors with a profile <=1.2mm. Each output voltage is adjustable from 0.6 to 5V. Internal synchronous 0.35R, 1.2A power switches provide high efficiency without the need for external Schottky diodes. A user selectable mode input is provided to allow the user to trade-OFF ripple noise for low power efficiency. Burst Mode® operation provides the highest efficiency at light loads, while Pulse Skip Mode provides the lowest ripple noise at light loads. To further maximize battery life, the P-channel MOSFETs are turned on continuously in dropout (100% duty cycle) and both channels draw a total quiescent current of only 40µA. In shutdown, the device draws <1µA.
  • No Schottky diodes required
  • Current mode operation for excellent line and load transient response
  • Short-circuit protected
  • Power-ON reset output
  • Externally synchronizable oscillator
  • Up to 95% high efficiency
  • 100% Duty cycle low dropout operation
  • <1µA Ultra-low shutdown current


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

Product Information

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