Read Sharp DK-V2 (serv.man2) Service Manual online
DK-V2
6 – 5
IC803 VHITPS61032-1 : DC-DC CONVERTER ( PS61032 )
BLOCK DIAGRAM
PIN CONFIGURATION
+
+
+
+
VBAT
SW
VOUT
PGND
PGND
PGND
FB
GND
GND
V
REF
LBO
100 kΩ
10 pF
=0.5V
V
REF
=0.5V
Error Amplifier
Gate
Control
Regulator
Control Logic
EN
SYNC
GND
SW
SW
PGND
PGND
PGND
VBAT
LBI
SYNC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
VOUT
VOUT
VOUT
FB
PowerPAD
GND
LB0
EN
LBI
Oscillator
Low Battery Comparator
Temperature
Control
Anti-
Ringing
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