MAX782 Просмотр технического описания (PDF) - Maxim Integrated
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MAX782 Datasheet PDF : 32 Pages
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Triple-Output Power-Supply
Controller for Notebook Computers
+5V LDO
V+
LINEAR
P
REGULATOR
VL
5V
3.3V
+3.3V
REF
REFERENCE
FB3
CS3
3.3V
PWM
BST3
CONTROLLER
DH3
(SEE FIG. 3)
LX3
4.5V
DL3
ON
SS3
GND
4V
FAULT
PGND
ON3
SYNC
VPPA
DA0
DA1
2.8V
300kHz/200kHz
OSCILLATOR
ON
LINEAR
REGULATOR
STANDBY
FB5
CS5
5V
PWM
BST5
CONTROLLER
DH5
(SEE FIG. 3)
LX5
DL5
SS5
ON
VPPB
DB0
DB1
LINEAR
REGULATOR
D3
1.65V
D2
1.65V
D1
1.65V
VH
Figure 2. MAX782 Block Diagram
13V TO 19V
VDD REG
ON5
13V
VDD
19V
Q3
Q2
Q1
10 ______________________________________________________________________________________
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