User Manual

MAX782
Triple-Output Power-Supply
Controller for Notebook Computers
26 ______________________________________________________________________________________
MAX782
X2D
15
DA1
16
DA0
17
DB1
18
DB0
D1
31
BST3
33
DH3
32
LX3
30
DL3
35
CS3
C5
0.1µF
R3
1M
R4
1M
R5
1M
R6
1M
34
FB3
1
ON3
19
ON5
X1A X1B
2
D1
3
D2
4
D3
R8
1M
R7
1M
R9
1M
R10
1M
R11
1M
SS3 GND PGND SS5
36
12 26 20
R12 OPEN R13 OPEN
R14 OPEN
D3B
D2B
D18
ON3 ON5
3.3V
OUT
X2C
X2B
X2A
5
VH
28
VL
9
VPPA
11
VPPB
10
VDD
24
BST5
22
DH5
23
LX5
25
DL5
21
CS5
27
FB5
13
REF
14
SYNC
8
Q1
7
Q2
6
Q3
C4 0.1µF
D1
R17
100k
C3 1µF 20V
V+
29
C2 4.7µF
N1
N3
N2
N4
16V
D2 EC11FS1
L2
D4 1N5819
C6 330µF 10V
R2
0.02Ω
5V OUT
+15V OUT
C6
2.2µF
25V
R16 560Ω
C11
1µF
35V
C10
1µF
35V
C13
33µF
35V
C1
33µF
35V
BATT IN
VPPB VPPA VH
SYNC
Q1 Q2
Q3
N1–N4 = Si9410DY D1 = BAW56L OR TWO 1N4148s
DA1
DA0 DB1
DB0
C7
150µF
10V
C16
150µF
10V
R1
0.025Ω
L1
10µH
D3
1N5819
C9
0.01µF
C8 0.01µF
R15 OPEN
Figure 14. MAX782 EV Kit Schematic