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Torex

XC8109 Datasheet Preview

XC8109 Datasheet

High Function Power Switch

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XC8109 Series
85mHigh Function Power Switch
ETR33004-002
GENERAL DESCRIPTION
The XC8109 series is a P-channel MOSFET power switch IC with a low ON resistance. A current limit, reverse current
prevention (prevents reverse current from VOUT to VIN), soft start, thermal shutdown, and an under voltage lockout (UVLO) are
incorporated as protective functions. A flag function monitors the power switch status. The flag output has N-channel open
drain structure, and outputs Low level signal while over-current or overheating is detected, or while the reverse current
prevention is operated.
A variable current limiting function is integrated, allowing the current limit value to be set, using an external resistor.
The voltage level which is fed to CE pin determines the status of XC8109. The logic level of CE pin is selectable between
either one of active high or active low.
APPLICATIONS
Set Top Boxes
Digital TVs
PCs
USB Ports/USB Hubs
HDMI
FEATURES
Input Voltage
Maximum Output Current
ON Resistance
Supply Current
Stand-by Current
Flag Delay Time
Protection Circuit
Functions
Current Limit Response Time
Operating Ambient Temperature
Package
Environmentally Friendly
: 2.5V5.5V
: 0.9A
: 85m@VIN=5.0V (TYP.)
: 40μA@ VIN=5.0V
: 0.1μA (TYP.)
: 7.5ms (TYP.)
* At over-current detection
: 4ms (TYP.)
* At reverse voltage detection
: Reverse Current Prevention
75mA1.3A (TYP.)
Thermal Shutdown
Under Voltage Lockout (UVLO
Soft-start
: Flag Output
CE Pin Input Logic Selectable
: 2μs (TYP.) *Reference value
: -40+105
: USP-6C
: EU RoHS Compliant, Pb Free
TYPICAL APPLICATION CIRCUIT
* The Typical circuit is base on USB high side switch.
The XC8109 series can accommodate 1μF output capacitor (CL).
TYPICAL PERFORMANCE
CHARACTERISTICS
XC8109xC10ER
CIN=1.0μF(ceramic), CL=1.0μF(ceramic)
6.0
RI LIM= 5 1 5 kΩ
RI LIM= 1 8 .4 kΩ
5.0
RI LIM= 0 kΩ
4.0
3.0
2.0
1.0
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
Output Current : IOUT [A]
1/27




Torex

XC8109 Datasheet Preview

XC8109 Datasheet

High Function Power Switch

No Preview Available !

XC8109 Series
BLOCK DIAGRAM
XC8109 Series
* Diodes inside the circuit are an ESD protection diode and a parasitic diode.
2/27



Part Number XC8109
Description High Function Power Switch
Maker Torex
Total Page 3 Pages
PDF Download

XC8109 Datasheet PDF





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