MAX1901ETJ+ Maxim Integrated Products, MAX1901ETJ+ Datasheet - Page 28

• Manufacturer Part Number: MAX1901ETJ+
• Description: IC CNTRLR PWR SPLY LN 32-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1901ETJ+

• 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: 32-TQFN Exposed Pad
• 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
Figure 10. Triple Output Application for MAX1902
28
ON/OFF
3.3V OUTPUT (3A)
C1
*V
FOR THE MAX1902 ONLY (SEE THE OUTPUT OVERVOLTAGE PROTECTION
AND OUTPUT UNDERVOLTAGE SHUTDOWN PROTECTION SECTIONS).
L
DIODES AND OUTPUT SCHOTTKY DIODES REQUIRED
______________________________________________________________________________________
6.5V TO 28V
INPUT
*
R1
L1
0.1µF
C3
1N5819
3V ON/OFF
5V ON/OFF
0.1µF
D1
Q1
10Ω
Q2
4.7µF
23
25
27
26
24
28
1
2
3
7
SHDN
BST3
DH3
LX3
DL3
CSH3
CSL3
FB3
RUN/ON3
TIME/ON5
0.1µF
TO 3.3V OUTPUT
SKIP
10
MAX1902
V+
GND
22
8
SYNC
12OUT
RESET
6
PGND
BST5
CSH5
CSL5
DH5
DL5
SEQ
V
LX5
FB5
REF
V
*
DD
L
21
4
5
18
16 Q3
17
19
20
14
13
12
15
9
11
*
Q4
D2
0.1µF
1µF
TO 5V OUTPUT
1N5819
0.1µF
C4
0.1µF
D5
1:2.2
T2
4.7µF
2.2µF
2.5V REF
POWER-GOOD
R2
5V ALWAYS ON
12V AT 120mA
2.2µF
5V OUTPUT
*
C2