RT6345
Functional Block Diagram
WDFN-10L 4x4 package
PGOOD
Shutdown
+
Voltage
Reference
-
+
-
-
+
Current
Sense
PWM
Comparator
Logic
BOOT
UVLO
High-Side
MOSFET
SW
Shutdown
OC
Clamp
Frequency
Foldback
BOOT
recharge
MOSFET
Slope
Compenastion
PGOOD
OV
Logic
Enable
Threshold
+
-
Enable
Comparator
Shutdown
Logic
UV
I
EN
I
EN_Hys
Shutdown
Thermal
Shutdown
UVLO
VIN
EN
V
CC
Regulator
I
SS
FB
0.8V
SS/TR
-
+
EA
+
Pulse-Skip
Minimum Clamp
BOOT
-
+
+
COMP
GND
Oscillator
RT/SYNC
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS6345-00
October 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
