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LTC3626IUDC#PBF - 

DC-DC Switching Buck Step Down Regulator, Adjustable, 3.6V-20Vin, 600mV-6Vout, 2.5Aout, QFN-20

LTC3626IUDC#PBF - DC-DC Switching Buck Step Down Regulator, Adjustable, 3.6V-20Vin, 600mV-6Vout, 2.5Aout, QFN-20

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LTC3626IUDC#PBF
Order Code:
2145092
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC3626IUDC#PBF is a high-efficiency monolithic synchronous Buck Regulator using a phase-lockable controlled on-time and current-mode architecture capable of supplying up to 2.5A of output current. The operating supply voltage range is 3.6 to 20V, making it suitable for a wide range of power supply applications. The operating frequency is programmable from 500kHz to 3MHz with an external resistor allowing the use of small surface mount inductors. For applications sensitive to switching noise, the LTC3626 can be externally synchronized over the same frequency range. An internal phase-locked loop aligns the on-time of the top power MOSFET to the internal or external clock. This unique controlled on-time architecture is ideal for high step-down ratio applications that demand high switching frequencies and fast transient response. An internal phase lock loop servos the on-time of the internal one-shot timer to match the frequency of the internal clock or an applied external clock.
  • Average input and output current monitoring
  • Programmable average input/output current limit
  • Die temperature monitor and programmable limit
  • External frequency synchronization
  • Current-mode operation for excellent line and load transient response
  • Short-circuit protection
  • Output voltage tracking capability
  • Power good status output
  • Low RDS(ON) integrated switches provide up to 95% efficiency
  • 0.6V Reference with 1% accuracy over temperature

Applications

Power Management

Product Information

:
Synchronous Buck (Step Down)
:
3.6V
:
20V
:
1Outputs
:
QFN
:
20Pins
:
2.5A
:
600mV
:
6V
:
3.5MHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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