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RT9741 fiches techniques PDF

Richtek - 1.5A/0.7A High-Side Power Switches

Numéro de référence RT9741
Description 1.5A/0.7A High-Side Power Switches
Fabricant Richtek 
Logo Richtek 





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RT9741 fiche technique
®
RT9741
100mΩ, 1.5A/0.7A High-Side Power Switches
General Description
The RT9741 is a cost-effective, low-voltage, single N-
MOSFET high-side Power Switch IC for USB application.
Low switch-on resistance (typ. 100mΩ) and low supply
current (typ. 50μA) are realized in this IC.
The RT9741 integrates an over-current protection circuit,
a short fold back circuit, a thermal shutdown circuit and
an under-voltage lockout circuit for overall protection.
Furthermore, the chip also integrates an embedded delay
function to prevent miss-operation from happening due to
inrush-current. The RT9741 is an ideal solution for USB
power supply and can support flexible applications since
it is available in the SOT-23-3 package.
Ordering Information
RT9741
Package Type
V : SOT-23-3
Lead Plating System
G : Green (Halogen Free and Pb Free)
Output Current
A : 1.5A
C : 0.7A
Note :
Richtek products are :
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
Features
100mΩ (typ.) N-MOSFET Switch
Operating Range : 2.7V to 5.5V
Reverse Blocking Current
Under-Voltage Lockout
Thermal Protection with Foldback
Over-Current Protection
Short-Circuit Protection
RoHS Compliant and Halogen Free
Applications
USB Peripherals
Notebook PCs
Marking Information
RT9741AGV
4F=DNN
4F= : Product Code
DNN : Date Code
RT9741CGV
4D=DNN
4D= : Product Code
DNN : Date Code
Simplified Application Circuit
Supply Voltage
2.7V to 5.5V
RT9741
VIN
CIN
VOUT
GND
FB
COUT
FB
VBUS
D+
D-
GND
Copyright ©2015 Richtek Technology Corporation. All rights reserved.
DS9741-01 March 2015
Data
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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