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MAX1632EAI+
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P29
MAX1630–MAX1635
Multi-Output, Low-Noise Power-Supply
Contr
ollers for Notebook Computers
______________________________________________________________________________________
25
_____________________________________________________________
Application Cir
cuits (continued)
2.2
μ
F
5
RESET
FB5
MAX1632
MAX1635
PGND
SEQ
REF
11
9
15
12
13
14
20
19
17
16
Q3
Q4
T2
1:2.2
R2
D5
D2
18
POWER-GOOD
7
10
8
5V ON/OFF
SKIP
DL5
LX5
DH5
BST5
V
DD
2.2
μ
F
0.1
μ
F
C2
0.1
μ
F
1
μ
F
1N5819
+5V OUTPUT (3A)
GND
+2.5V REF
3
*
2
1
24
Q1
D1
Q2
L1
R1
0.1
μ
F
0.1
μ
F
1N5819
+3.3V OUTPUT (3A)
ON/OFF
*
TIME/ON5
RUN/ON3
FB3
28
3V ON/OFF
26
25
27
CSL5
CSH5
CSL3
CSH3
DL3
LX3
DH3
BST3
SHDN
SYNC
INPUT
+6.5V TO +28V
4
23
22
10
Ω
62
1
V+
VL
0.1
μ
F
0.1
μ
F
4.7
μ
F
4.7
μ
F
12OUT
C3
C1
C4
TO +3.3V OUTPUT
TO +5V OUTPUT
+12V AT 120mA
+5V ALWAYS ON
R1 = R2 = 20m
Ω
L1 = 10
μ
H SUMIDA CDRH125-100
T2 = 10
μ
H 1:2.2 TRANSFORMER
TRANSPOWER TECHNOLOGIES TTI-5870
Q1–Q4 = Si4410DY or IRF7413
C1 = 3 x 220
μ
F 10V SPRAGUE 594D227X0010D2T
C2 = 2 x 220
μ
F 10V SPRAGUE 594D227X0010D2T
C3 = C4 = 2 x 10
μ
F 30V SANYO OS-CON 30SC10M
*VL DIODES AND OUTPUT SCHOTTKY DIODES REQUIRED
FOR THE MAX1632 ONLY (SEE
OUTPUT OVERVOLTAGE PROTECTION
AND
OUTPUT UNDERVOLTAGE SHUTDOWN PROTECTION
SECTIONS).
*
*
Figure 9. Triple-Output Application for High-Voltage Batteries (MAX1632/MAX1635)
MAX1630–MAX1635
Multi-Output, Low-Noise Power-Supply
Contr
ollers for Notebook Computers
26
______________________________________________________________________________________
OPEN
MAX1631
MAX1634
V+
SHDN
VL
SECFB
INPUT
+6V TO +24V
C3
10
Ω
ON/OFF
GND
REF
SEQ
SYNC
1
μ
F
5V ALWAYS ON
Q1
ON/OFF
ON/OFF
0.1
μ
F
0.1
μ
F
4.7
μ
F
4.7
μ
F
0.1
μ
F
Q3
DL3
CSH3
CSL3
FB3
RESET
RESET OUTPUT
SKIP
STEER
L1
R1
2.5V OUTPUT
C1
DL5
LX5
DH5
BST5
25
27
26
24
1
2
3
11
10
4
8
28
7
12
13
14
20
19
17
16
18
22
23
5
21
15
6
9
BST3
DH3
LX3
PGND
CSL5
CSH5
RUN/ON3
TIME/ON5
0
Ω
FB5
0.1
μ
F
0.1
μ
F
L2
R2
+3.3V OUTPUT
R1 = R2 = 15m
Ω
L1 = L2 = 6.8
μ
H SUMIDA CDRH 127-6R8MC
Q1 = Q4 = Si4410DY or 1RF7413
C1 = C2 = 2X SANYO OS-CON 10 SA220M
C3 = 4X SANYO OS-CON 30SC10M
*VL DIODES AND OUTPUT SCHOTTKY DIODES REQUIRED
FOR THE MAX1631 ONLY (SEE
OUTPUT OVERVOLTAGE PROTECTION
AND
OUTPUT UNDERVOLTAGE SHUTDOWN PROTECTION
SECTIONS).
*
*
*
OPEN
0
Ω
*
Q4
1N5819
Q2
1N5819
C2
Figure 10. Dual, 4A, Notebook Computer Power Supply
_____________________________________________________________
Application Cir
cuits (continued)
MAX1630–MAX1635
Multi-Output, Low-Noise Power-Supply
Contr
ollers for Notebook Computers
______________________________________________________________________________________
27
________________________________________________________________________________
Pin Configurations
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
RUN/ON3
DH3
LX3
BST3
DL3
SHDN
SEQ
V+
VL
PGND
DL5
BST5
LX5
DH5
CSH5
CSL5
FB5
RESET
SKIP
REF
GND
TIME/ON5
SYNC
V
DD
12OUT
FB3
CSL3
CSH3
SSOP
SSOP
MAX1630
MAX1632
MAX1633
MAX1635
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
RUN/ON3
DH3
LX3
BST3
DL3
SHDN
SEQ
V+
VL
PGND
DL5
BST5
LX5
DH5
CSH5
CSL5
FB5
RESET
SKIP
REF
GND
TIME/ON5
SYNC
SECFB
STEER
FB3
CSL3
CSH3
TOP VIEW
MAX1631
MAX1634
_______________________________________________________________Selector Guide
MAX1631
MAX1633
MAX1632
MAX1634
MAX1635
DEVICE
None (SECFB input)
12V Linear Regulator
12V Linear Regulator
None (SECFB input)
12V Linear Regulator
AUXILIARY OUTPUT
12V Linear Regulator
Selectable (STEER pin)
Feeds into the 3.3V SMPS
Feeds into the 5V SMPS
Selectable (STEER pin)
Feeds into the 5V SMPS
SECONDARY FEEDBACK
Yes
No
Yes
No
MAX1630
No
OVER/UNDERVOLTAGE
PROTECTION
Yes
Feeds into the 3.3V SMPS
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P29
MAX1632EAI+
Mfr. #:
Buy MAX1632EAI+
Manufacturer:
Maxim Integrated
Description:
Switching Controllers Multi-Out Low-Noise Power-Supply Ctlr
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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Ups
TNT
EMS
Payment:
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