RT7339P
Ordering Information
RT7339P
Package Type
E : SOT-23-6
Lead Plating System
G : Green (Halogen Free and Pb Free)
Note :
Richtek products are :
Marking Information
5S=DNN
5S= : Product Code
DNN : Date Code
Pin Configuration
(TOP VIEW)
COMP DMAG CS
RoHS compliant and compatible with the current
requirements of IPC/JEDEC J-STD-020.
6
5
4
Suitable for use in SnPb or Pb-free soldering processes.
GND
2
3
VDD GATE
SOT-23-6
Functional Pin Description
Pin No.
1
2
3
4
5
6
Pin Name
GND
VDD
GATE
CS
DMAG
COMP
Ground of the controller.
Supply voltage (V
DD
) input. The controller will be enabled when V
DD
exceeds
V
TH_ON
and disabled when V
DD
is lower than V
TH_OFF
.
Gate driver output for an external power MOSFET. It is recommended to add an
external totem pole circuit if the Qg of MOSFET is greater than 60nC.
Current sense input. Connect this pin to the current sense resistor.
Demagnetization pin. To detect the input and the output voltage from the auxiliary
winding of the transformer.
Compensation node. Output of the internal trans-conductance amplifier.
Pin Function
Copyright © 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
2
DS7339P-03
August 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
