MAX1533 Datasheet, PDF (19/38 Pages) Maxim Integrated Products – High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers

High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
LDO3
SHDN
FSEL
SKIP
ILIM3
CSH3
CSL3
BST3
DH3
LX3
DL3
PGND
FB3
ON3
3.3V LINEAR
REGULATOR
OSC
LDO BYPASS
CIRCUITRY
LDO5
PWM3
CONTROLLER
(FIGURE 3)
FB
DECODE
(FIGURE 5)
INTERNAL
FB
5V LINEAR
REGULATOR
LDO BYPASS
CIRCUITRY
PWM5
CONTROLLER
(FIGURE 3)
LDO5
FB DECODE
(FIGURE 5)
IN
LDO5
ILIM5
CSH5
CSL5
BST5
DH5
LX5
DL5
FB5
ON5
OVP
UVP
PGDLY
PGOOD
POWER-GOOD AND
FAULT PROTECTION
(FIGURE 7)
MAX1533/MAX1537
MAX1537
AUXILIARY
LINEAR
REGULATOR
(FIGURE 8)
R
R
REF
V_CC
2.0V
REF
GND
INA
LDOA
ADJA
ONA
Figure 2. MAX1533/MAX1537 Functional Diagram
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