XR76205EL-Q Datasheet, PDF (5/25 Pages) Exar Corporation – Power Management

V_IN
4.75 to 25V
(6 to 40V)
3.3V @ 50mA max
5V @ 50mA max
2 GPIOs
3 PSIOs
General IC Enable
SMBus to Host µC
Standby LDO
GPIO
PSIO
Enable
I²C
Configuration
Register
Set
Flash
Memory
Internal LDOs
4-Channel
Digital
PWM & PFM
Control
Engine
Housekeeping μC,
ROM and RAM
XR77129
XRP7724
Gate Drivers
Current Sensing
HS Charge Pump
V_OUT Feedback
Gate Drivers
Current Sensing
HS Charge Pump
V_OUT Feedback
Gate Drivers
Current Sensing
HS Charge Pump
V_OUT Feedback
Gate Drivers
Current Sensing
HS Charge Pump
V_OUT Feedback
Functional Block Diagram
V_OUT
0.6V to 5.5V
V_OUT1
V_OUT2
V_OUT3
V_OUT4
VLOGIC
VDSP
VODQ
VIO
VCORE
VTT
Time
Control Power Up/Down Sequencing with Different Delays and Slopes
5