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DV-2022
1
2
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4
A
B
C
D
E
F
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4.4 POWER BLOCK DIAGRAM
SWITCHING
TRANS
T501
PO
WER BLOCK DIA
GRAM
AC IN
AT+3.3V
AT+5.5V
V+5V_USB
AT+1
2V
USB_P_ON-H
VOLTAGE CTL
IC5
03
KIA431A-AT
PHOTO COUPLER
IC5
02
PS2561AL1-1-V (W)
POWER CTL
IC501
DV-2022 : TNY177PN
DV-2022 Only
DV-2020 : TNY176PN
VBUS REG
IC4009
RP131K501D-TR
V+5S
PWDN#
+5V REG
IC4010
RP130N501D
REG+1.25V
IC4006
RP131K121D5-TR
+1.2V