XRP7725 Datasheet, PDF (8/34 Pages) Exar Corporation – Power Management System

BLOCK DIAGRAM
VOUT1
PreScaler
1/2/4
VREF
DAC
VOUT3
XRP7725
Intel Node Manager Compatible Programmable
Power Management System
Feedback
ADC
Channel 1
Digital
PID
Hybrid
DPWM
VCC
SS & PD
Current
ADC
Dead
Time
Gate
Driver
Channel 2
BST1
GH1
LX1
GL1
GL_RTN1
VCCD1-2
VOUT3
Channel 3
VOUT4
Channel 4
ENABLE
GPIO 0-1
PSIO 0-2
SDA,SCL
4uA
GPIO
PSIO
I2C
Internal
POR
NVM
(FLASH)
Sequencing
Configuration
Registers
PWR
Good
LOGIC
CLOCK
Fault
Handling
OTP
UVLO
OCP
OVP
VCCD3-4
MUX
Vout1
Vout2
Vout3
Vout4
Vtj
5V LDO
3.3V LDO
BFB
VCC
LDO5
LDO3_3
LDO BLOCK DIAGRAM
Figure 2: XRP7725 Block Diagram
© 2014 Exar Corporation
Figure 3: XRP7725 LDO Block Diagram
8/34
Rev. 1.0.0