MAX1631EAI+T Maxim Integrated Products, MAX1631EAI+T Datasheet - Page 27

• Manufacturer Part Number: MAX1631EAI+T
• Description: IC PS CTRLR FOR NOTEBOOKS 28SSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1631EAI+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