RT9727A Datasheet, PDF (1/9 Pages) Richtek Technology Corporation – N-MOSFET Load Switch Controller

RT9727A
N-MOSFET Load Switch Controller
General Description
Features
The RT9727A is a load switch controller to control the
external N-MOSFET load switch. The input voltage range
of the RT9727A is from 6V to 25V. The RT9727A adopts
the constant power discharge method to discharge the
residual storages. Besides, the RT9727A also provides
enable control function and over temperature protection
function.
The RT9727A is available in a SC-70-6 package.
Ordering Information
z Driver N-MOSFET Load Switch
z Input Voltage Range : 6V to 25V
z Constant Power Discharge
z Over Temperature Protection
z Enable Control
z RoHS Compliant and Halogen Free
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
6
5
4
Note :
Richtek products are :
` RoHS compliant and compatible with the current require-
ments 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.
V_CC
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