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ADP5053ACPZ-R7 데이터시트(PDF) 4 Page - Analog Devices

부품명 ADP5053ACPZ-R7
상세설명  Integrated Power Solution with Quad Buck
PDF  37 Pages
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ADP5053ACPZ-R7 데이터시트(HTML) 4 Page - Analog Devices

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Data Sheet
ADP5053
Rev. B | Page 3 of 36
DETAILED FUNCTIONAL BLOCK DIAGRAM
Q1
QDG1
UVLO1
PVIN1
SW1
BST1
VREG
VREG
DRIVER
DRIVER
PGND
DL1
CONTROL LOGIC
AND MOSFET
DRIVER WITH
ANTICROSS
PROTECTION
CONTROL LOGIC
AND MOSFET
DRIVER WITH
ANTICROSS
PROTECTION
EN1
0.8V
1MΩ
HICCUP
AND
LATCH-OFF
OCP
COMP1
FB1
0.8V
CLK1
SLOPE
COMP
CLK1
0.72V
PWRGD1
ZERO
CROSS
CURRENT-LIMIT
SELECTION
FREQUENCY
FOLDBACK
+
–
+
–
+
–
–
+
+
–
+
–
+
–
CHANNEL 1 BUCK REGULATOR
DUPLICATE CHANNEL 1
CHANNEL 2 BUCK REGULATOR
CURRENT BALANCE
EN2
COMP2
FB2
DL2
PVIN2
SW2
BST2
VID1
0.88V
OVP
LATCH-OFF
EA1
CMP1
RT
OSCILLATOR
SYNC/MODE
SOFT START
DECODER
SS12
SS34
VDD
VREG
INTERNAL
REGULATOR
PVIN1
VREG
PWRGD
HOUSE KEEPING
LOGIC
UVLO3
PVIN3
SW3
BST3
VREG
VREG
DRIVER
Q3
Q4
DRIVER
PGND3
EN3
COMP3
FB3
CHANNEL 3 BUCK REGULATOR
DUPLICATE CHANNEL 3
CHANNEL 4 BUCK REGULATOR
EN4
COMP4
FB4
PGND4
PVIN4
SW4
BST4
ACS1
+
–
+
–
ACS3
WDI
RESET
GENERATOR
0.5V
SUPERVISORY
0.8V
1MΩ
HICCUP
AND
LATCH-OFF
OCP
0.8V
CLK3
SLOPE
COMP
CLK3
0.72V
PWRGD3
FREQUENCY
FOLDBACK
+
–
+
–
+
–
–
+
+
–
+
–
VID3
0.88V
OVP
LATCH-OFF
EA3
CMP3
ZERO
CROSS
VTH
DEBOUNCE
WATCHDOG
DETECTOR
MR
RSTO
Figure 2.



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