RT9727A
N-MOSFET Load Switch Controller
General Description
Features
The RT9727A is a load switch controller to cont...
RT9727A
N-MOSFET Load Switch Controller
General Description
Features
The RT9727A is a load switch controller to control the z Driver N-MOSFET Load Switch
external N-MOSFET load switch. The input voltage range z Input Voltage Range : 6V to 25V
of the RT9727A is from 6V to 25V. The RT9727A adopts z Constant Power Discharge
the constant power discharge method to discharge the z Over Temperature Protection
residual storages. Besides, the RT9727A also provides z Enable Control
enable control function and over temperature protection z RoHS Compliant and Halogen Free
function. The RT9727A is available in a SC-70-6 package.
Ordering Information
Applications
z Notebook Computers
RT9727A
Pin Configurations
Package Type U6 : SC-70-6
Lead Plating System G : Green (Halogen Free and Pb Free)
(TOP VIEW)
EN DC2 DC1 65 4
Note : Richtek products are :
` RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
23 VCC GND CT
SC-70-6
` Suitable for use in SnPb or Pb-free soldering processes.
Marking Information
Typical Application Circuit
5V Source
For marking information, contact our sales representative directly or through a Richtek distributor located in your area.
VCC Chip Enable
1 VCC
CT 3
C1 DC2 5
RT9727A 6 EN
2 GND
DC1 4
Q1
To Systrm C3 3V Source
Q2
To Systrm C2 C4
DS9727A-01 April 2011
www.richtek.com 1
RT9727A
Function Block Diagram
VCC EN CT
Thermal Protection
Regulator
Bias
Gate Control
Gate Control
DC2
DC1 GND
Functional Pin...
