ADP1048 Analog Devices, ADP1048 Datasheet - Page 11

• Manufacturer Part Number: ADP1048
• Description: Digital Power Factor Correction Controller with accurate AC Power Metering
• Manufacturer: Analog Devices

Data Sheet
FUNCTIONAL BLOCK DIAGRAMS
INRUSH
INRUSH
VCORE
VCORE
PWM2
PWM2
PWM
PWM
VDD
RES
VDD
RES
ADP1047
ADP1048
UVLO
UVLO
LDO
LDO
VREF
VREF
PGND
ENGINE
ENGINE
CS–
PWM
PWM
ADC
CS
ADC
IBAL
CS
CS+
Figure 5.
Figure 6.
CS–
ADD
ADD
ILIM
ADC
CS
OCP
CS+
ADC
ADC
ADP1047
ADP1048
ILIM
RTD
OCP
RTD
Rev. 0 | Page 11 of 84
AGND
AGND
VAC
DIGITAL CORE
DIGITAL CORE
ADC
VAC
Functional Block Diagram
Functional Block Diagram
VAC
PGND
ADC
VAC
DGND
DGND
PGND
8kB EEPROM
8kB EEPROM
INTERFACE
INTERFACE
ADC
VFB
VFB
ADC
VFB
I
I
2
2
VFB
C
C
OLP
OLP
OVP
OVP
+ –
OVP
OVP
+ –
DAC
DAC
OSC
OSC
PGND
PGND
ADP1047/ADP1048
PGOOD
AC_OK
SYNC
PSON
SCL
SDA
PGOOD
AC_OK
SYNC
PSON
SCL
SDA