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