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LTC3425 Datasheet(Fiches technique) 22 Page - Linear Technology

Numéro de pièce LTC3425
Description  5A, 8MHz, 4-Phase Synchronous Step-Up DC/DC Converter
Télécharger  24 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
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 22 page
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LTC3425
22
3425f
Application with User Commanded Burst Mode Operation
and Buffered Reference Output Enabled
L1
3.3
µH
CIN
2.2
µF
C1
0.1
µF
RLIM
75k
RT
30.1k
BURST PWM
L2
3.3
µH
L3
3.3
µH
L4
3.3
µH
CIN: TAIYO YUDEN JMK107BJ225MA
COUT: TAIYO YUDEN JMK212BJ475MG (×4)
L1 TO L4: SUMIDA CDRH4D28
VIN
VOUT
VREF
SWA
VIN = 1.8V TO 3V
SWB
LTC3425
SWC
SWD
SGND
SHDN
VOUTS
VOUTA
VOUTB
VOUTC
VOUTD
REFOUT
CCM
REFEN
SYNCIN
BURST
RT
ILIM
PGOOD
SYNCOUT
SS
FB
COMP
GNDA
GNDB
GNDC
GNDD
+
C2
330pF
3425 TA04
COUT
4.7
µF
×4
CSS
0.01
µF
R3
33k
R2
511k
R4
100k
PGOOD
R1
301k
VOUT
3.3V
2A
R4
10k
C3
22pF
TYPICAL APPLICATIO S




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