Load Switch with Low On-Resistance
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.
Feature
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 | 1.2~6.0V |
Quiescent Current | 3.0μA@VIN=1.2V,3.6μA@VIN=2.9V,4.0μA@VIN=6.0V |
Stand-by Current | 0.1μA |
Protection Circuits | Current limit(Output Current)480mA(TYP.)(1.8≦VIN≦6.0V) Short Circuit Protection Short current30mA(TYP.) |
ON/OFF Function | High Active Enable |
Operating Ambient Temperature | -40℃~+85℃ |
Typical Application Circuit
Packages
XC8102 Series Part Numbers
Part number | Sample | CE Pin Logic | CL Discharge Function | Packages | EDA | Online Store |
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XC8102AA017R-G | CE Active High | Available | USPN-4 | |||
XC8102AA018R-G | CE Active High | Available | USP-6B06 | |||
XC8102AA01GR-G | CE Active High | Available | USP-4 | |||
XC8102AA01MR-G | CE Active High | Available | SOT-25 | |||
XC8102AA01NR-G | CE Active High | Available | SSOT-24 |
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