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