Datasheet

ADP2381 Data Sheet
Rev. 0 | Page 12 of 28
FUNCTIONAL BLOCK DIAGRAM
Figure 30. Functional Block Diagram
ADP2381
OSCILLATOR
RT
SYNC
UVLO
CLK
SLOPE RAMP
CONTROL
LOGIC
AND MOSFET
DRIVER WITH
ANTICROSS
PROTECTION
PGOOD
GND
UVLO
SLOPE RAMP
LD
PGND
+
–
+
0.6V
I
SS
EN/SS
FB
AMP
COMP
0.7V
0.54V
1.2V
OVP
CLK
+
–
+
–
+
–
Σ
I
MAX
HICCUP
MODE
CMP
OCP
+
–
+
–
SW
NFET
BST
DRIVER
VREG
DRIVER
BOOST
REGULATOR
DEGLITCH
BIAS AND DRIVER
REGULATOR
+
–
A
CS
PVIN
VREG
320kΩ
125kΩ
PVIN
10209-030
NEGATIVE
CURRENT LIMIT
CMP
+
–