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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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The following table provides the definitions of major electrical characteristics shown in the datasheets of load switch ICs.
Characteristic |
Symbol |
Description |
---|---|---|
Input voltage |
VIN |
The input voltage range in which a load switch IC operates properly |
Quiescent current (ON state) |
IQ |
The amount of quiescent current that flows through a load switch IC when it is on |
Quiescent current (OFF state) |
IQ(OFF) |
The amount of quiescent current that flows through a load switch IC when it is off |
Switch leakage current (OFF state) |
ISD(OFF) |
The amount of leakage current flowing out of the VOUT pin when a load switch IC is off |
CONTROL High-level input voltage |
VIH |
The minimum voltage at which the Control pin of a load switch IC is regarded as being in the logic High state |
CONTROL Low-level input voltage |
VIL |
The maximum voltage at which the Control pin of a load switch IC is regarded as being in the logic Low state |
On-resistance |
RON |
On-resistance between the drain and source of the MOSFET connected between the VIN and VOUT pins |
Reverse blocking current |
IRB |
The amount of current that flows into a load switch IC from the VOUT pin when the voltage at the VOUT pin is higher than the voltage at the VIN pin |
Reverse blocking voltage threshold |
VRB |
The difference in voltage between the VOUT and VIN pins (VOUT-VIN) at which the reverse-current blocking circuit is tripped when VOUT > VIN. VRB is specified for load switch ICs with a true reverse-current blocking function. |
Reverse blocking release voltage threshold |
VRBR |
The difference in voltage between the VOUT and VIN pins (VOUT-VIN) at which the reverse-current blocking circuit is disabled when VIN rises back above VOUT after it is tripped. VRBR is specified for load switch ICs with a true reverse-current blocking function. |
Undervoltage lockout (UVLO) rising threshold |
VUVL_RI |
The threshold voltage at which UVLO is disabled when VIN rises. A load switch IC turns on when VIN exceeds VUVL_RI. |
Undervoltage lockout (UVLO) falling threshold |
VUVL_FA |
The threshold voltage at which UVLO is tripped when VIN falls. A load switch IC is disabled when VIN drops below VUVL_FA. |
Overvoltage lockout (OVLO) rising threshold |
VOVL_RI |
The threshold voltage at which OVLO is tripped when VIN rises. A load switch IC is disabled when VIN exceeds VOVL_RI. |
Overvoltage lockout (OVLO) falling threshold |
VOLV_FA |
The threshold voltage at which OVLO is disabled when VIN falls. A load switch IC is enabled when VIN falls below VOLV_FA. |
Output discharge on-resistance |
RSD |
The on-resistance of the internal N-channel MOSFET connected between the VOUT and GND pins of a load switch IC for discharging the external smoothing capacitor connected to the VOUT pin |
Output limited current |
ICL |
The current level to which the output current is limited by the overcurrent protection function |