MAX1631AEAI+T Maxim Integrated Products, MAX1631AEAI+T Datasheet - Page 27
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MAX1631AEAI+T
Manufacturer Part Number
MAX1631AEAI+T
Description
IC PWR-SUPP CTRLR NOTEBK 28-SSOP
Manufacturer
Maxim Integrated Products
Type
Step-Down (Buck)r
Datasheet
1.MAX1634CAI.pdf
(29 pages)
Specifications of MAX1631AEAI+T
Internal Switch(s)
No
Synchronous Rectifier
Yes
Number Of Outputs
2
Voltage - Output
3.3V, 5V, Adj
Current - Output
4A
Frequency - Switching
200kHz, 300kHz
Voltage - Input
4.2 ~ 30 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-SSOP
Power - Output
762mW
Output Voltage
2.5 V to 5.5 V, 3.3 V, 5 V
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
________________________________________________________________________________Pin Configurations
_______________________________________________________________Selector Guide
TIME/ON5
MAX1630
MAX1631
MAX1632
MAX1633
MAX1634
MAX1635
DEVICE
12OUT
RESET
SYNC
CSH3
CSH5
CSL3
CSL5
GND
SKIP
V
FB3
REF
FB5
DD
10
11
12
13
14
1
2
3
4
5
6
7
8
9
______________________________________________________________________________________
MAX1630
MAX1632
MAX1633
MAX1635
SSOP
Multi-Output, Low-Noise Power-Supply
12V Linear Regulator
None (SECFB input)
12V Linear Regulator
12V Linear Regulator
None (SECFB input)
12V Linear Regulator
Controllers for Notebook Computers
AUXILIARY OUTPUT
26
25
24
23
22
21
20
19
18
17
16
15
28
27
RUN/ON3
DH3
LX3
SHDN
BST5
DH5
BST3
DL3
V+
VL
PGND
DL5
LX5
SEQ
TOP VIEW
Feeds into the 3.3V SMPS
Selectable (STEER pin)
Feeds into the 5V SMPS
Feeds into the 3.3V SMPS
Selectable (STEER pin)
Feeds into the 5V SMPS
SECONDARY FEEDBACK
TIME/ON5
SECFB
STEER
RESET
CSH3
SYNC
CSH5
CSL3
CSL5
GND
SKIP
FB3
REF
FB5
10
11
12
13
14
1
2
3
4
5
6
7
8
9
MAX1631
MAX1634
SSOP
OVER/UNDERVOLTAGE
PROTECTION
26
25
24
23
19
18
17
16
15
28
27
21
20
22
Yes
Yes
Yes
No
No
No
RUN/ON3
DH3
LX3
SHDN
VL
DL5
BST5
LX5
DH5
BST3
DL3
V+
PGND
SEQ
27