EL7554 查看數據表（PDF） - Intersil
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EL7554 Datasheet PDF : 14 Pages
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EL7554
Block Diagram
TM
SEL
0.018µF
220pF
VREF
COSC
VTJ
2.2nF
JUNCTION
TEMPERATURE
VDD
VOLTAGE
REFERENCE
OSCILLATOR
VDD
EN
STP
STN
POWER
TRACKING
PWM
CONTROLLER
COMP
RC
CC
EA
CURRENT
SENSE
SGND
VREF
-
+
FB
R2
VO
R1
20Ω
VIN
0.22µF
DRIVERS
POWER
FET
POWER
FET
2.2µH
2x10µF
PGND
47µF
VDD
PG
VIN
VOUT
(UP TO 4A)
5
FN7360.4
May 8, 2006
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