Dual-/Triple-/Quad-Voltage, Capacitor-
Adjustable, Sequencing/Supervisory Circuits
+12V BUS
IN DC-DC OUT
EN
+3.3V
IN DC-DC OUT
EN
+2.5V
IN DC-DC OUT
EN
+1.8V
EN1
VCC
MR
CDLY1
IN1
CDLY2
CDLY3
OUT1 EN2 IN2
OUT2 EN3
IN3
OUT3
MAX16027
CRESET
GND TOL
TH0 TH1
RESET
+3.3V
SYSTEM
RESET
Figure 4. Sequencing Multiple-Voltage System
12V
BUS
1.5V
1.8V
TO
LOADS
2.5V
3.3V
IN1
VCC
EN1
EN2
EN3
EN4
CDLY1
OUT1
IN2
OUT2
MAX16029
CDLY2
CDLY3
CDLY4
CRESET
IN3
OUT3
IN4
OUT4
RESET
MR
GND TOL TH0 TH1
+3.3V
SYSTEM
RESET
Figure 5. Multiple-Voltage Sequencing Using n-Channel FETs
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