X80200 Datasheet, PDF (14/16 Pages) Intersil Corporation – Power Supply Swquencer with Power-up System Mnitoring

X80200, X80201, X80202, X80203, X80204
SMBus
DC-DC
#1
PRIMARY
DC-DC
#2
I/O VOLTAGES
PGOOD1
DC-DC
#3
CORE VOLTAGES
PGOOD2
OPTIONAL
DELAY
VFB
VDDH
GATE_H
VDDM GATE_M
REF
GATE_L
SETV
ENS
VDDL
A0
GATEH_EN _A2
READY
GND
SDA SCL
H (OPTIONAL)
SYSTEM
COMPONENTS &
BOARD SUPPLIES
M
L
I/O SUPPLY
µP/
ASICs/
FPGA
CORE SUPPLY
VCORE
3.3V
2.7V
2.5V
2.0V
1.8V
1.25V
0.9V
V I/O
5V
3.3V
2.5V
1.35V
1.25V
Primary
5V
OPTION
FORCED
PULL UP
SEQUENCING
TO SET
ADDRESS HIGH
SMBus
FIGURE 14. TELECOM BACKPLACE/SYSTEM POWER SUPPLY TIME BASED POWER SEQUENCING
14
FN8154.0