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LTC3618EFE#PBF - 

DC/DC Switching Regulator, Synchronous, Dual, 2.25 V to 5.5 V in, 5.5 V/3 A out, 4 MHz, TSSOP-24

LINEAR TECHNOLOGY LTC3618EFE#PBF

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Manufacturer Part No:
LTC3618EFE#PBF
Order Code:
2009063
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC3618EFE#PBF is a dual synchronous Step-Down Regulator using a current mode, constant-frequency architecture. It provides a complete DDR solution with an input voltage range from 2.25 to 5.5V. The output of the first step-down regulator offers a high accuracy VDDQ supply. A buffered reference generates VTTR at 50% of VDDQIN and drives loads up to ±10mA. The second regulator generates the DDR termination voltage (VTT) equal to VTTR. Both regulators are capable of delivering ±3A of load current at 1MHz switching frequency. The operating frequency is externally programmable up to 4MHz, allowing the use of small surface mount inductors. 0, 90 or 180° of phase shift between the two channels can be selected to minimize input current ripple. For switching noise-sensitive applications, the LTC3618 can be synchronized to an external clock up to 4MHz.
  • DDR Power supply, termination and reference
  • Internal or external compensation
  • Power good status outputs
  • Internal or external soft-start for VDDQ, internal soft-start for VTT
  • Up to 94% high efficiency
  • ±1% Output voltage accuracy

Applications

Industrial, Power Management

Product Information

:
2.25V
:
5.5V
:
2 Output
:
TSSOP
:
24Pins
:
3A
:
3A
:
5.5V
:
5.5V
:
Adjustable
:
4MHz
:
Synchronous Buck (Step Down)
:
125°C
:
Cut Tape
:
-
:
MSL 1 - Unlimited
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