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PDF XC8102 Data sheet ( Hoja de datos )
| Número de pieza | XC8102 | |
| Descripción | Load Switch | |
| Fabricantes | Torex Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XC8102 (archivo pdf) en la parte inferior de esta página. Total 19 Páginas | ||
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XC8102 Series
Load Switch with Low On-Resistance
www.DataSheet4U.com
ETR2502-006a
GENERAL DESCRIPTION
The XC8102 series is a low ON resistance load switch IC with ON/OFF control and output current protection which integrates
a P-channel MOSFET.
By connecting the XC8102 to the output pin of a step-down DC/DC converter, the CE pin controls ON/OFF for each
distribution switch to deliver power per requirements and maximize total power efficiency. As a result, the XC8102 helps to
extend battery life and product operation time.
The series contains a current limit and protection circuit so these are not required externally unlike discrete circuit solutions
where MOSFETs and resistors are used.
When a low signal is input to the CE pin, the series enters stand-by mode. Even where a load capacitor is connected to the
output pin during stand-by, the electric charge stored at the load capacitor is discharged through the internal switch. As a
result, the VOUT pin voltage falls quickly to the VSS level.
The series contains over current protection with fold-back current circuitry which operates as over current protection and
short circuit protection for the output pin.
APPLICATIONS
Mobile phones, Smart phones
Digital still cameras, Digital video cameras
Portable game consoles
Portable equipment
FEATURES
On Resistance
: 0.28Ω@ VIN=6.0V (TYP.)
: 0.31Ω@ VIN=4.0V (TYP.)
: 0.35Ω@ VIN=2.9V (TYP.)
: 0.52Ω@ VIN=1.8V (TYP.)
: 0.60Ω@ VIN=1.5V (TYP.)
: 0.80Ω@ VIN=1.2V (TYP.)
Input Voltage Range
: 1.2V 6.0V
Power Consumption
: 3.0 A@ VIN=1.2V
: 3.6 A@ VIN=2.9V
Stand-by Current
: 4.0 A@ VIN=6.0V
: 0.1 A
Protection Circuit
:Current limit(Output Current)
480mA (TYP.) (1.8 VIN 6.0V)
: Short-circuit Protection,
Short current= 30mA (TYP.)
ON/OFF Function
: High Active Enable
High-Speed Discharge Function
Operating Temperature Range : -40 +85
Packages
: USP-4,SSOT-24, SOT-25
USPN-4
Environmentally Friendly
: EU RoHS Compliant, Pb Free
TYPICAL APPLICATION CIRCUIT
DC/DC OUT
2.1V
VIN VOUT
VIN VOUT
IN
Step Down
Li-ion DC/DC
3.6V
XC9235
XC8102
CE
ON/OFF
VSS
CIN Control
CL
CPU
VIN VOUT
XC8102
CE
ON/OFF
VSS
Control
CIN
CL
IN
CPU
ON/OFF
CIN Control
VIN VOUT
XC8102
CE VSS
CL
IN
CPU
TYPICAL PERFORMANCE
CHARACTERISTICS
On Resistance vs. Input Voltage
XC8102AA01M/XC8102AA01G
VIN=CE
IOUT=50mA
CIN=None,CL=None
1.0
0.8 Ta=85℃
25℃
0.6 -40℃
0.4
0.2
0.0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Input Voltage : VIN (V)
1/19
1 page  
TEST CIRCUITS
Circuit
VIN VOUT
V CE
VSS
A
IOUT
V
Ishort
Circuit
XC8102
www.DataSheet4US.coemries
Circuit
5/19
5 Page 
XC8102
www.DataSheet4US.coemries
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(6) CE Threshold Voltage vs. Ambient Temperature (7) CL Discharge Resistance vs. Ambient Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
-50
-25
XC8102AA01
VIN=6.0V
CIN=None,CL=None
VCEH
VCEL
0 25 50
Ambient Temp : Ta (℃)
75 100
3000
2500
2000
1500
1000
500
0
-50
XC8102AA01
VIN=VOUT
CE=VSS
CIN=None,CL=None
VIN=1.2V
VIN=1.5V
VIN=1.8V
VIN=2.9V
VIN=4.0V
VIN=6.0V
-25 0 25 50 75 100
Ambient Temp : Ta (℃)
(8) Output Turn-on Time with CE
XC8102AA01
VIN=1.2V
CE=0.3V→1.2V
tr=tf=5μs , IOUT=50mA
1.5 CIN=None , CL=None 6.0
1.0 5.0
0.5
CE Input Voltage
4.0
0.0 3.0
-0.5
Output Voltage
2.0
-1.0 1.0
-1.5 0.0
-2.0 -1.0
Time: 10μs/div
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
XC8102AA01
VIN=1.5V
CE=0.3V→1.2V
tr=tf=5μs , IOUT=50mA
CIN=None , CL=None
6.0
CE Input Voltage
5.0
4.0
3.0
Output Voltage
2.0
1.0
0.0
Time: 10μs/div
-1.0
XC8102AA01
XC8102AA01
VIN=1.8V
VIN=2.9V
CE=0.3V→1.2V
tr=tf=5μs , IOUT=50mA
CE=0.3V→1.2V
tr=tf=5μs , IOUT=50mA
1.5
CIN=None , CL=None 6.0
1.5
CIN=None , CL=None 6.0
1.0 5.0 1.0 5.0
0.5
CE Input Voltage
4.0 0.5
CE Input Voltage
4.0
0.0 3.0 0.0 3.0
-0.5 2.0 -0.5 2.0
-1.0 1.0 -1.0 1.0
Output Voltage
Output Voltage
-1.5 0.0 -1.5 0.0
-2.0 -1.0 -2.0 -1.0
Time: 10μs/div
Time: 10μs/div
11/19
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet XC8102.PDF ] | |
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