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LTC3633AEUFD-2#PBF - 

DC/DC Switching Regulator, Synchronous, 2 Output, 3.6 V to 20 V in, 6 V/3 A out, 4.6 MHz, QFN-28

LINEAR TECHNOLOGY LTC3633AEUFD-2#PBF

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Manufacturer Part No:
LTC3633AEUFD-2#PBF
Order Code:
2293116
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC3633AEUFD-2#PBF is a dual-channel high efficiency monolithic synchronous Buck Regulator uses a controlled on-time, current mode architecture, with phase lockable switching frequency. The two channels can run 180° out of phase to relax the requirements for input and output capacitance. The operating supply voltage range is from 3.6 to 20V, making it suitable for lithium-ion battery stacks as well as point of load power supply applications from a 12 or 5V supply. The operating frequency is programmable from 500kHz to 4MHz with an external resistor and may be synchronized to an external clock signal. The unique constant frequency/controlled on time architecture is ideal for high step-down ratio applications that operate at high frequency while demanding fast transient response. An internal phase locked loop servos the on-time of the internal one-shot timer to match the frequency of the internal clock or an applied external clock.
  • Up to 95% Efficiency
  • External frequency synchronization
  • Current mode operation for excellent line and load transient response
  • User Selectable Burst Mode® operation or forced continuous operation
  • Output voltage tracking and soft-start capability
  • Short-circuit protected
  • Overvoltage input and overtemperature protection
  • Power good status outputs

Applications

Power Management

Product Information

:
3.6V
:
20V
:
2 Output
:
QFN
:
28Pins
:
3A
:
3A
:
6V
:
6V
:
Adjustable
:
4.6MHz
:
Synchronous Buck (Step Down)
:
125°C
:
Cut Tape
:
-
:
MSL 1 - Unlimited
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