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LTC3676ILXE#PBF - 

Power Management IC, 4x Step-Down DC/DC Converters, 3x LDOs, 5.5 V, QFN-40

LINEAR TECHNOLOGY LTC3676ILXE#PBF

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Manufacturer Part No:
LTC3676ILXE#PBF
Order Code:
2471112
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC3676ILXE#PBF is a complete Power Management Solution for advanced portable application processor-based systems. The device contains four synchronous step-down DC/DC converters for core, memory, I/O, system on-chip (SoC) rails and three 300mA LDO regulators for low noise analog supplies. The LTC3676-1 has a ±1.5A buck regulator configured to support DDR termination plus a VTTR reference output. An I2C serial port is used to control regulator enables, power-down sequencing, output voltage levels, dynamic voltage scaling, operating modes and status reporting. Regulator start-up is sequenced by connecting outputs to enable pins in the desired order or via the I2C port. System power-on, power-off and reset functions are controlled by pushbutton interface, pin inputs or I2C. The LTC3676 supports i.MX, PXA and OMAP processors with eight independent rails at appropriate power levels.
  • Quad I2C adjustable high efficiency step down
  • DDR power solution with VTT and VTTR reference
  • Pushbutton ON/OFF control with system reset
  • Independent enable pin-strap or I2C sequencing
  • Programmable autonomous power-down control
  • Dynamic voltage scaling
  • Power good and reset functions
  • Selectable 2.25 or 1.12MHz switching frequency
  • Always alive 25mA LDO regulator
  • 12µA Standby current

Applications

Sensing & Instrumentation, Industrial, Medical, Consumer Electronics

Product Information

:
5.5V
:
4
:
4
:
8
:
HLQFP
:
48Pins
:
-40°C
:
125°C
:
Each
:
-
:
-
:
MSL 3 - 168 hours
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