Rainbow Electronics MAX1635 - Manual (Page 27)

MAX1630–MAX1635
Multi-Output, Low-Noise Power-Supply
Controllers 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