Manual

MAX1584/MAX1585
5-Channel Slim DSC Power Supplies
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MAX1585
OSC
CCSU
CCSD
CC1
CC2
CC3
ONSU
ONSD
ON1
ON2
ON3
330pF
R1
47k
R2
25k
R3
20k
R5
10k
R4
61.9k
GND
TO PVSU
FBSD
LXSD
PVSD
PVSU
LXSU
DL1
FB1
DL3
FB3
CURRENT-
MODE
STEP-
DOWN
CURRENT-
MODE
STEP-UP
FBSU
-7.5V
-CDD
BIAS
DL2
FB2
REF
1.25V
REF
PGSU
PV
AUX3 V-MODE
STEP-DOWN
PWM
AUX2
V-MODE
INV
PWM
AUX1
V-MODE
STEP-UP
PWM
TO V
IN
PGSD
C11
47
µ
F
C9
30
µ
F
C8
4.7
µ
F
0.1
µ
F
C1
0.01
µ
F
20k
+15V, 80mA
+CCD
LCD
LED
+1.5V
250mA
CORE
C24
10
µ
F
L6
3.6
µ
H
V
IN
1.5V TO 4.2V
5V 1A
MAIN SYSTEM
C19
10
µ
F
L1
5
µ
H
TO V
IN
OR PVSU
INDL2
TO PVSU
OR V
IN
3.3V
250mA
LOGIC
SCF
R12
274k
R13
90.9k
D4
P1
D2
R8
526k
R9
93.1k
P2
D3
L4
10
µ
H
C25
47
µ
F
R14
30.1k
R15
18.2k
N1
D1
L3
2
µ
H
C6
4.7
µ
F
R6
1M
R7
90.9k
L2
22
µ
H
R10
18.2k
R11
90.9k
C2
4700pF
C3
1500pF
C5
1500pF
TO FB3
R22
1.2k
C20
560pF
C4
470pF
AUX1OK
SDOK
C23
10
µ
F
Figure 1. MAX1584/MAX1585 Typical Application for 2-Cell AA or 1-Cell Li+ Battery