Datasheet

ADP1882/ADP1883
Rev. 0 | Page 18 of 40
08901-0
ADP1882/ADP1883 BLOCK DIAGRAM
64
DRVH
SW
BST
REF_ZERO
PGND
DRVL
VIN
PRECISION
ENABLE BLOCK
TO ENABLE
ALL BLOCKS
COMP/EN
FB
VDD
I
REV
COMP
PFM
REF_ZERO
SS
COMP
ERROR
AMP
SS_REF
0.8V
LOWER
COMP
CLAMP
CS
AMP
PWM
I
SS
C
SS
ADC
CS GAIN SET
0.4V
800k
300k
8k
RES DETECT
AND
GAIN SET
t
ON
VDD
DH_LO
DRVH
SW
DRVL
DL_LO
BG_REF
PSM
IN_SS
PWM
I
REV
STATE
MACHINE
BIAS BLOCK
AND REF
SW-FILTER
C
R (TRIMMED)
SW
INFORMATION
V
DD
t
ON
-TIMER
t
ON
= 2RC (V
OUT
/V
IN
)
HS
LS
VREG
LEVEL
SHIFT
GND
ADP1882/ADP1883
Figure 65. Block Diagram