MAX1537ETX-T Maxim Integrated, MAX1537ETX-T Datasheet - Page 17
MAX1537ETX-T
Manufacturer Part Number
MAX1537ETX-T
Description
Current & Power Monitors & Regulators
Manufacturer
Maxim Integrated
Datasheet
1.MAX1537ETX-T.pdf
(38 pages)
- Current page: 17 of 38
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Figure 1. MAX1533/MAX1537 Standard Application Circuit
High-Efficiency, 5x Output, Main Power-Supply
POWER GROUND
ANALOG GROUND
3.3V PWM
OUTPUT
OUTPUT
5V LDO
5.8µH
0.22µF
______________________________________________________________________________________
C
L1
REF
60.4kΩ
60.4kΩ
R5
R3
R
10mΩ
D
C
220µF
40mΩ
CS1
N
L1
OUT1
SECONDARY
H1
Controllers for Notebook Computers
ON OFF
ON OFF
ON OFF
OUTPUT
R2
100kΩ
10µF
N
C1
100kΩ
0.1µF
L1
D
C
BST
BST
R4
DH3
LX3
DL3
LDO5
BST3
CSH3
CSL3
FB3
OVP
REF
ILIM3
ILIM5
SHDN
ON3
ON5
INA
ONA
MAX1533
MAX1537
SEE TABLE 1 FOR COMPONENT SPECIFICATIONS
PGOOD
PGDLY
PGND
CSH5
LDO3
LDOA
CSL5
ADJA
BST5
FSEL
SKIP
GND
DH5
VCC
UVP
LX5
DL5
FB5
IN
REF (300kHz)
C
0.1µF
D
R6
OPEN
C2
1µF
C3
10µF
BST
BST
N
0Ω
R7
L2
20Ω
R1
N
H2
R8
100kΩ
D
C4
10µF
L2
150µF
40mΩ
C
10mΩ
OUT2
R
C
(2) 10µF
CS2
IN
MAX1537 ONLY
22µF
CONNECT
TO LDO5
12V LDO
OUTPUT
C5
POWER-GOOD
3.3V LDO
OUTPUT
D1
T1
1:2 TURNS
LP = 6.8µH
SECONDARY
OUTPUT
5V PWM
OUTPUT
INPUT (V
IN
)
17
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