Owner manual
MAX1566/MAX1567
Six-Channel, High-Efficiency, Digital
Camera Power Supplies
16 ______________________________________________________________________________________
V
M
+3.3V
200mA
V
SD
+1.8V
350mA
V
SU
+5V
500mA
V
SU
TO
V
BATT
DL1
FB1
DL2
FB2
FB3L
PVM
LXM
FBM
PVSD
LXSD
FBSD
REF
OSC
ONSD
ON1
ON3 (LED)
ON2
CCSU
CCSD
CCM
CC3
CC1
CC2
PGSD
CURRENT-
MODE
STEP-
DOWN
PWM
CURRENT-
MODE UP
OR DOWN
PWM
PVSU
LXSU
FBSU
CURRENT-
MODE
STEP-UP
PWM
PV
PGSU
PGM
OUTSU
SUSD
FB3H
DL3
OUTSU
SCF
AUX1
PWM
AUX2
INVERTING
PWM
AUX3
PWM
OK
PWR ON
OR FAULT
INDL2
GND
ONSU
N1
L5
10µH
L6
5.6µH
L1
1.4µH
D1
D2–D5
LEDS
-7.5V
40mA
TO REF
V
BATT
15V
20mA
TO V
BATT
TO
BATT
1 Li+
2.8V TO
4.2V
C15
10µF
C16
10µF
C1
1µF
R2
90.9kΩ
R1
1MΩ
R3
10Ω
C2
0.1µF
R4
47kΩ
C3
100pF
C14
22µF
R19
40.2kΩ
R20
90.9kΩ
C13
10µF
C12
22µF
C11
10µF
R17
150kΩ
R18
90.9kΩ
L4
10µH
C10
47µF
R15
274kΩ
R16
90.9kΩ
D8
P1
L3
22µH
D7
C17
1µF
R14
90.9kΩ
R13
549kΩ
R11
1MΩ
R12
90.9kΩ
C18
1µF
D6
L2
1.2µH
N2
R5
R6
R7
R8
R9
R10
ONM
MAX1567
AUX1OK
SDOK
C4
C5
C6
C7
C8
C9
Figure 1. Typical 1-Cell Li+ Powered System (3.3V logic is stepped down from +5V, and 1.8V core is stepped down directly from the
battery. Alternate connections are shown in the following figures.)