MAX1901EAI+ Maxim Integrated Products, MAX1901EAI+ Datasheet - Page 30
![IC CNTRLR PWR SPLY LN 28-SSOP](/photos/6/61/66141/175-28-ssop_sml.jpg)
MAX1901EAI+
Manufacturer Part Number
MAX1901EAI+
Description
IC CNTRLR PWR SPLY LN 28-SSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1904ETJ.pdf
(33 pages)
Specifications of MAX1901EAI+
Applications
Controller, Notebook Computers
Voltage - Input
4.2 ~ 30 V
Number Of Outputs
4
Voltage - Output
2.5 ~ 5 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-SSOP
Output Voltage
3.3 V, 5 V, 2.5 V to 5.5 V
Output Current
5 A
Input Voltage
4.2 V to 30 V
Mounting Style
SMD/SMT
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
500kHz Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
30
MAX1901
MAX1902
MAX1904
DEVICE
______________________________________________________________________________________
TIME/ON5
12OUT
SYNC
GND
SKIP
N.C.
V
REF
DD
1
2
3
4
5
6
7
8
TIME/ON5
12OUT
RESET
CSH3
SYNC
CSH5
CSL3
CSL5
SKIP
GND
V
FB3
REF
FB5
32 THIN QFN 5mm × 5mm
DD
10
11
12
13
14
1
2
3
4
5
6
7
8
9
AUXILLARY OUTPUT
12V Linear Regulator
None (SECFB input)
None (SECFB input)
MAX1902
MAX1902
SSOP
26
25
24
23
22
21
20
19
18
17
16
28
15
27
RUN/ON3
DH3
LX3
SHDN
BST5
DH5
BST3
DL3
V+
V
PGND
DL5
LX5
SEQ
L
24
23
22
21
20
19
18
17
BST3
DL3
SHDN
V+
V
PGND
DL5
BST5
L
SECONDARY FEEDBACK
Feeds into the 5V SMPS
TOP VIEW
Selectable (STEER pin)
Selectable (STEER pin)
TIME/ON5
SECFB
STEER
SYNC
SKIP
GND
N.C.
REF
1
2
3
4
5
6
7
8
TIME/ON5
SECFB
STEER
RESET
CSH3
SYNC
CSH5
CSL3
CSL5
GND
SKIP
FB3
REF
FB5
32 THIN QFN 5mm × 5mm
10
11
12
13
14
1
2
3
4
5
6
7
8
9
MAX1901
MAX1904
MAX1901
MAX1904
SSOP
Pin Configurations
OVER/UNDERVOLTAGE
Selector Guide
PROTECTION
18
28
26
25
24
23
19
17
16
15
27
21
20
22
RUN/ON3
DH3
LX3
SHDN
V
DL5
BST5
LX5
DH5
BST3
DL3
V+
PGND
SEQ
Yes
Yes
No
L
24
23
22
21
20
19
18
17
BST3
DL3
SHDN
V+
V
PGND
DL5
BST5
L