MAX1631EAI+T Maxim Integrated Products, MAX1631EAI+T Datasheet - Page 10

• 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

Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
Figure 2. MAX1632 Block Diagram
10
+3.3V
R1
R2
______________________________________________________________________________________
+5V ALWAYS ON
INPUT
TIME/ON5
CSH3
CSL3
BST3
DH3
DL3
FB3
REF
LX3
VL
0.6V
+
-
+
-
VL
REF
VL
LINEAR
+
-
SHDN
LOGIC
PWM
REG
3.3V
2.5V
REF
5V
60kHz
ON/OFF
LPF
REF
POWER-ON
SEQUENCE
-
+
LOGIC
4.5V
RUN/ON3
CSL5
1.75V
2.68V
-
OUTPUTS
OV/UV
2.388V
200kHz
300kHz
FAULT
OSC
TO
UP
V+
-
SYNC
LINEAR
-
+
+
REF
-
REG
12V
SECFB
60kHz
LOGIC
PWM
LPF
5V
GND
MAX1632
IN
TIMER
+
-
2.6V
1V
VL
13V
-
+
-
+
0.6V
12OUT
V
BST5
DH5
DL5
PGND
CSH5
CSL5
FB5
RESET
LX5
SEQ
DD
+12V
RAW +15V
R3
R4
+5V