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OCP9200
Current Limited Load Switch in SOT-23 Package
General Description
The OCP9200 SmartSwitch is a member of
Orient-chip's Application Specific Power MOSFET
product family. It is a Current Limited P-channel MOSFET
power switch designed for high-side load-switching
applications. This switch operates with inputs ranging from
2.7V to 5.5V, making it ideal for both 3V and 5V systems. An
integrated current-limiting circuit protects the input supply
against large currents which may cause the supply to fall out
of regulation. The OCP9200 is also protected from thermal
overload which limits power dissipation and junction
temperatures. It can be used to control loads that require up
to 1 A. Current limit threshold is programmed with a resistor
from SET to ground. The quiescent supply current is
typically a low 15μA max. In shutdown mode, the supply
current decreases to less than 1μA.
The OCP9200 is available in a 5 pin SOT-23 specified
over -40 to 85.
Features
2.7V to 5.5V Input voltage range
Programmable over current threshold
Fast transient response:
<1μs response to short circuit
Low quiescent current
15μA typical
1μA max with Switch off
160mΩ typical RDS(ON)
Only 2.5V needed for ON/OFF Control
Undervoltage Lockout
Thermal shutdown
Temp range -40 to 85
4kV ESD Rating
5 pin SOT-23 package
Pin Configuration
(Top View)
OUT 1
GND 2
SET 3
5 IN
4 ON
Applications
Peripheral ports
Notebook computers
Personal communication devices
Hot swap supplies
Pin Name.
OUT
GND
SET
ON
IN
Pin No
1
2
3
4
5
Pin Function
P-channel MOSFET drain. Connect 0.47μF capacitor
from OUT to GND.
Ground connection
Current-Limit Set Input. A resistor from SET to ground
sets the current limit for the switch.
Enable Input. Two versions are available, active-high and
active-low.See ordering information for details.
P-channel MOSFET source. Connect 1μF capacitor from
IN to GND.
Page1-2
Rev.1.3 Feb .27, 2018
源于灿瑞 磁传天下

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Typical Application
OCP9200
Current Limited Load Switch in SOT-23 Package
Ordering Information
Package:
W: SOT23-5L
OCP9200XXX
Packing:
Blank:Tube or Bulk
A:Tape & Reel
Temperature Grade:
D: -40~85
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Page2-2
Rev.1.3 Feb .27, 2018
源于灿瑞 磁传天下