MAX8742EAI Maxim Integrated, MAX8742EAI Datasheet - Page 30

• Manufacturer Part Number: MAX8742EAI
• Description: Current & Power Monitors & Regulators
• Manufacturer: Maxim Integrated

500kHz Multi-Output Power-Supply Controllers
with High Impedance in Shutdown
30
MAX8741
MAX8742
A "+" SIGN WILL REPLACE THE FIRST PIN INDICATOR ON LEAD-FREE PACKAGES.
DEVICE
______________________________________________________________________________________
RUN/ON3
CSH3
CSL3
N.C.
DH3
N.C.
LX3
FB3
25
26
27
28
29
30
31
32
TIME/ON5
12OUT
RESET
SYNC
CSH3
CSH5
CSL3
CSL5
24
GND
SKIP
1
FB3
V
REF
FB5
DD
THIN QFN 5mm × 5mm
AUXILIARY OUTPUT
23
None (SECFB input)
10
11
12
13
14
2
12V linear regulator
1
2
3
4
5
6
7
8
9
22
3
MAX8742
MAX8742
21
SSOP
4
20
5
19
6
18
26
25
24
23
22
21
20
19
18
17
16
15
28
27
7
RUN/ON3
DH3
LX3
BST3
DL3
SHDN
V+
V
PGND
DL5
BST5
LX5
DH5
SEQ
17
L
8
16 N.C.
15
14
13
12
11
10
9
LX5
DH5
SEQ
CSH5
CSL5
FB5
RESET
SECONDARY FEEDBACK
Feeds into the 5V SMPS
Selectable (STEER pin)
TOP VIEW
RUN/ON3
CSH3
CSL3
N.C.
DH3
N.C.
LX3
FB3
25
26
27
28
29
30
31
32
TIME/ON5
SECFB
STEER
RESET
CSH3
SYNC
CSH5
CSL3
CSL5
24
GND
SKIP
1
FB3
REF
FB5
THIN QFN 5mm × 5mm
23
10
11
12
13
14
2
1
2
3
4
5
6
7
8
9
22
3
MAX8741
MAX8741
21
4
SSOP
Pin Configurations
OVER/UNDERVOLTAGE
20
5
19
6
Selector Guide
PROTECTION
18
18
28
26
25
24
23
19
17
16
15
27
21
20
22
7
RUN/ON3
DH3
LX3
BST3
DL3
SHDN
V+
V
DL5
BST5
LX5
DH5
SEQ
PGND
17
L
8
Yes
Yes
16 N.C.
15
14
13
12
11
10
9
LX5
DH5
SEQ
CSH5
CSL5
FB5
RESET