RT6263A/B
Functional Block Diagram
VIN
SW
VCC
+
-
EN
Internal
Regulator
UVLO
PVCC
VEN_TH
On-
R_PULL_
DOWN
Time
BOOT
SW
OC
UV
Protection
65%
Gate Driver &
Dead-Time
Control
Control
Ramp
Gen.
Soft-Start
SS
FB
+
+
-
Comparator
MIN OFF
GND
-
+
0.9V
REF
PGOOD
Comparator
PGOOD
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4
DS6263A/B-00 January 2020