RT6214A/B
Functional Block Diagram
For TSOT-23-6 (FC)
VIN
LX
6.5K
-
+
VCC
EN
Internal
Regulator
UVLO
VEN_
REF
PVCC
Shutdown
Comparator
On-
3V
Time
BOOT
LX
OC
UGATE
LGATE
UV
Protection
Power
Stage &
Dead-time
Control
VCC
Control
Ripple
Gen.
+
+
MIN OFF
VCC
FB
-
Comparator
GND
VIBIAS
VRef
For TSOT-23-8 (FC)
VIN
LX
6.5K
EN
-
+
VCC
Internal
Regulator
UVLO
VEN_
REF
PVCC
Shutdown
Comparator
On-
Time
3V
BOOT
LX
OC
UGATE
LGATE
UV
Protection
Power
Stage &
Dead-time
Control
VCC
Control
Ripple
Gen.
6µA
+
SS
FB
+
-
MIN OFF
Comparator
GND
VCC
-
+
0.9VREF
PGOOD
Comparator
VIBIAS
VRef
PGOOD
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS6214A/B-09 August 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
