MAX8734 Maxim Integrated Products, MAX8734 Datasheet - Page 15

• Manufacturer Part Number: MAX8734
• Description: (MAX8732 - MAX8734) Main Power-Supply Controllers
• Manufacturer: Maxim Integrated Products

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Figure 2. MAX8734 Typical Application Circuit
10µF
C5
5V
*OPTIONAL CAPACITANCE BETWEEN
LX AND PGND (CLOSE TO THE IC) ONLY
REQUIRED FOR ULTRASONIC MODE
Supply Controllers for Notebook Computers
High-Efficiency, Quad-Output, Main Power-
EP10QY03
L5
______________________________________________________________________________________
FDS6612A
D3
V
IN
7V TO 24V
4.7µF
N1
ON
4Ω
V
OFF
REF
N2
IRF7811AV
CC
1/2
D1
0.1µF
470pF*
SWITCHING FREQUENCY
10Ω
5V/3.3V SMPS
0.1µF
0.22µF
L3
L5
C3
C5
FREQUENCY-DEPENDENT COMPONENTS
V+
BST5
DH5
LX5
DL5
OUT5
FB5
SHDN
ON5
ON3
GND
REF
LDO5
MAX8734
200kHz/300kHz
ILIM3
TON = V
470µF
330µF
4.7µH
7.6µH
LDO3
CC
3.3V ALWAYS ON
V
4.7µF
CC
PGOOD
50Ω
ILIM5
OUT3
BST3
SKIP
DH3
TON
PRO
DL3
LX3
FB3
400kHz/500kHz
TON = GND
220µF
150µF
3.0µH
5.6µH
SEE
TABLE
CMPSH-3A
10Ω
0.1µF
IRF7811AV
1µF
V
CC
1/2
D1
N4
470pF*
100kΩ
1MΩ
1µF
N3
FDS6612A
5V ALWAYS ON
D2
EP10QY03
4.7µF
10µF
L3
3.3V
10µF
C3
15