RT6226A/B/C
Functional Block Diagram
RT6226A
VIN
Input UVLO
4.2V
ILMT
EN
Internal
SST
Thermal
Protection
0.6V
FB
+
-
EN
VIN
4.7V
+
-
BYP
5V
LDO
VCC
-
PWM
Control
&
Protect
Logic
+
Current Sense
R
DIS
PGND
PGOOD
AGND
BOOT
LX
RT6226B
VIN
Input UVLO
4.2V
ILMT
EN
Internal
SST
Thermal
Protection
0.6V
VOUT
+
-
EN
AGND
VIN
4.7V
+
-
BYP
5V
LDO
VCC
-
PWM
Control
&
Protect
Logic
+
Current Sense
R
DIS
PGND
PGOOD
BOOT
LX
RT6226C
VIN
Input UVLO
5.2V
EN
Internal
SST
CLK
Thermal
Protection
300kHz
PGOOD
0.6V
VOUT
+
-
VIN
PWM
Control
&
Protect
Logic
-
+
Current Sense
R
DIS
PGND
BOOT
LX
5V
LDO
3.3V
LDO
VCC
LDO
AGND
4.7V
+
-
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS6226A/B/C-03
September 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
