Datasheet

Data Sheet ADP1872/ADP1873
Rev. B | Page 17 of 40
ADP1872/ADP1873 BLOCK DIGRAM
TO ENABLE
ALL BLOCKS
COMP/EN
VIN
PRECISION ENABLE
BLOCK
t
ON
STATE
MACHINE
DRIVERS
V
DD
V
DD
FILTER
PGND
BST
DRVH
SW
DRVL
PFM
REF_ZERO
GND
SS
COMP
ERROR
AMP
SS_REF
0.6V
LOWER
COMP
CLAMP
CS GAIN
PROGRAMMING
V
REG
REF_ZERO CS GAIN SET
CS
AMP
PWM
ADC
I
REV
COMP
VDD
FB
BIAS
BLOCK
I
SS
C
SS
300kΩ
8kΩ
800kΩ
ADP1872/
ADP1873
08297-063
Figure 64. ADP1872/ADP1873 Block Diagram