85mΩ High Function Power Switch with Current Limit Adjustable Pin
The XC8108 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 within the range of 0.9A to 2.4A (TYP.) using an external resistor. The IC can be put in the stand-by state using the level of the voltage applied to the CE pin. CE pin logic is available in two types, active high or active low.
Feature
| Input Voltage Range | 2.5V～5.5V |
| MaximumOutput Current | 2A |
| On Resistance | 85mΩ@VIN=5.0V(TYP.) |
| Quiescent Current | 40μA@VIN=5.0V |
| Stand-by Current | 0.1μA(TYP.) |
| Flag Delay Time | 7.5ms(TYP.)*Current LimitDetect 4ms(TYP.)*Reverse voltage detection |
| Protection Circuits | Current Limit0.9A～2.4A(TYP.) Reverse Current Prevention Thermal Shutdown Under Voltage Lockout(UVLO) Soft-Start |
| Functions | Flag Output CE Pin Input Logic Selectable |
| Current Limit Response Time | 2μs(TYP.) |
| Operating Ambient Temperature | -40℃～+105℃ |
| Environmentally Friendly | EU RoHS compliant, Pb free |
Typical Application Circuit
Technical Document
Packages
| Package | Number of Pins | Pcs/Reel | Package Size(mm) |
|---|---|---|---|
| USP-6C | 6 | 3,000 | 1.8 x 2.0 x 0.6 |
XC8108 Series Part Numbers
| Part number | Sample | CE Pin Logic | Protection Circuits Type | Maximum Output Current | Packages | EDA | Online Store |
|---|---|---|---|---|---|---|---|
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| XC8108AC20ER-G | ActiveHigh | Without Latch Protection | 2.0A | USP-6C | |||
| XC8108AD20ER-G | ActiveHigh | With Latch Protection | 2.0A | USP-6C | |||
| XC8108BC20ER-G | ActiveLow | Without Latch Protection | 2.0A | USP-6C | |||
| XC8108BD20ER-G | ActiveLow | With Latch Protection | 2.0A | USP-6C |
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