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| ER3125QI Datasheet, PDF (4/30 Pages) Altera Corporation – MOSFET for Synchronous Buck or Boost Buck Converter | |||
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Page 4
Typical Application Schematics
Typical Application Schematic I
POK
LLM
PVIN
AVIN
AVINO ER3125QI
SW
RCLX
VPVIN
VOUT
BOOST
FSW
AGND
POK
LLM
PVIN
AVIN
AVINO ER3125QI
SW
RCLX
BOOST
FSW
AGND
VPVIN
VOUT
(a) SYNCHRONOUS BUCK
(b) NON-SYNCHRONOUS BUCK
Typical Application Schematic II - AVINO Switch-Over to VOUT
POK
LLM
PVIN
AVIN
AVINO ER3125QI
SW
RCLX
VPVIN
VOUT
POK
LLM
PVIN
AVIN
AVINO ER3125QI
RCLX
SW
VPVIN
VOUT
BOOST
FSW
AGND
BOOST
FSW
AGND
(a) SYNCHRONOUS BUCK
Typical Application Schematic III - Boost Buck Converter
(b) NON-SYNCHRONOUS BUCK
POK
BOOST
LLM
AVINO
ER3125QI
RCLX
AVIN
PVIN
SW
FSW
AGND
POK
BOOST
AVIN
PVIN
AVINO
ER3125QI
RCLX
SW
VOUT
FSW
AGND
AVINO
VPVIN
VOUT
(a) 2-STAGE BOOST BUCK
(b) NON-INVERTING SINGLE INDUCTOR BUCK BOOST
Enpirion Power Datasheet ER3125QI 2.5A Regulator with Integrated High-Side MOSFET for
Synchronous Buck or Boost Buck Converter
10040
May 28, 2014
May 2014 Altera Corporation
Rev A
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