Rainbow Electronics MAX1800 - Manual (Page 10)

MAX1800
Digital Camera Step-Up
Power Supply
10 ______________________________________________________________________________________
C C2
+5V
INPUT
0.7V TO 5.5V
+7V
8
6
5 3
16
0.1 µF
14
6
12
28
32
30
18
5
11
29
24
27
3
9
31
2
1
7 4
MAXIM
MAX 1801
R C3
C
C3
R C1
C C1
R C2
C CM
ON
POUT
OFF
R
CM
OSC
C OSC
R OSC
DL OSC
POUT POUT
DCON IN
REF
FB
COMP
GND
REF
DCON1
DCON2
DCON3
DL3
FB3
COMPM
COMP1
COMP2
COMP3
ONM
ONA
ON1
MAX1800
ON2
ON3
DL1
+15V
CCD BIAS
LCD BIAS
-7.5V
+18V
+12V
LDO
1.8V
MAIN
3.3V
INPUT
1, 19 15
23
17
13
7, 22
25
26
10
8
4
2
MAIN POWER OK
C OUT
LX
FB1
DL2
FB2
AO
AI
POUT
OUT
FBM
RDYM
GND PGND
20,
21
Figure 1. Typical Application Circuit