MAX8745 Maxim Integrated Products, MAX8745 Datasheet - Page 18

• Manufacturer Part Number: MAX8745
• Description: (MAX8744 / MAX8745) Main Power-Supply Controllers
• Manufacturer: Maxim Integrated Products

High-Efficiency, Quad Output, Main Power-
Supply Controllers for Notebook Computers
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18
Figure 2. Functional Diagram
______________________________________________________________________________________
PGOODA
PGOOD5
PGOOD3
PGND
CSH3
CSL3
BST3
SKIP
ILIM
DH3
ON3
LX3
DL3
FB3
FSEL
OSC
LDO5
LDO5
(FIGURE 5)
DECODE
FB
CONTROLLER
(FIGURE 3)
PWM3
INTERNAL
FB
POWER-GOOD AND FAULT
MAX8744
MAX8745
PROTECTION
(FIGURE 6)
CONTROLLER
(FIGURE 3)
REGULATOR
PWM5
5V LINEAR
LDO BYPASS
CIRCUITRY
LINEAR REGULATOR
(FIGURE 5)
DECODE
AUXILIARY
FB
R
LDO5
2.0V
REF
R
IN
SHDN
LDO5
CSH5
CSL5
BST5
DH5
LX5
DL5
ON5
FB5
REF
GND
DRVA
OUTA
FBA
ONA