MAX1631AEAI+T Maxim Integrated Products, MAX1631AEAI+T Datasheet - Page 12
![IC PWR-SUPP CTRLR NOTEBK 28-SSOP](/photos/6/61/66141/175-28-ssop_sml.jpg)
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
Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
Figure 3. PWM Controller Detailed Block Diagram
12
-100mV
SECFB
SHDN
SKIP
______________________________________________________________________________________
30mV
REF
REF
SOFT-START
COUNTER
SLOPE COMP
DAC
MAIN PWM
COMPARATOR
CK
SINGLE-SHOT
RECTIFIER CONTROL
1μs
SYNCHRONOUS
R
S
Q
CURRENT
LIMIT
1X
R
S
Q
OSC
THROUGH
CONTROL
SHOOT-
LEVEL
SHIFT
LEVEL
SHIFT
CSH_
CSL_
FROM
FEEDBACK
DIVIDER
BST_
DH_
LX_
VL
DL_
PGND