ADP1822 Data Sheet
Rev. D | Page 6 of 24
SIMPLIFIED BLOCK DIAGRAM
THERMAL
SHUTDOWN
LOGIC
UVLO
OSCILLATOR
FAULT
S
R
Q
Q
PWM
VCC
FAULT
REFERENCE
THSD
UVLO
OV
V
REF
UV0.8V
100kΩ
2.5kΩ
BST
DH
SW
PVCC
DL
PGND
CSL
PWGD
FB
MAR
MSEL
MUP
DGND
MDN
SS
COMP
SYNC
FREQ
GND
VCC
SHDN
ADP1822
05311-002
DECODE
TRKN
TRKP
Figure 3. Simplified Block Diagram
