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Part Number: G526
Description: The G526 is a dual integrated high-side power switch with independent enable and flag functions, optim...


Description: The G526 is a dual integrated high-side power switch with independent enable and flag functions, optim...
The G526 is a dual integrated high-side power switch with independent enable and flag functions, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications.
The G526 satisfies the following USB requirements: the switch's low on-resistance meets USB voltage drop requirements; fault current is limited to typically 750mA, well below the UL 25VA safety requirement; and flag outputs are available to indicate fault condi-tions to the local USB controller. Soft start eliminates the momentary voltage drop on the upstream port that may occur when the switch is enabled in bus-powered applications.
Additional features include thermal shutdown to pre-vent catastrophic switch failure from high-current loads, under-voltage lockout (UVLO) ensuring that the device remains off unless there is a valid input voltage pre-sent, and an enable input that is compatible with both 3.3V and 5V logic.
The G526 is available in active-high and active-low enable versions in 8-pin SOIC packages.
Compliant to USB specifications
Low MOSFET on resistance at 5.0V 140m max.per channel
500mA minimum continuous load current per channel
3.0V to 5.5V input
110A typical on-state supply current
1A typical off-state supply current
Output can be forced higher than input (off-state)
1.25A maximum current limit
Thermal shutdown
2.4V typical undervoltage lockout (UVLO)
Open-drain fault flag pins
1ms turn-on (soft-start) and fast turnoff
Available with active-high or active-low enable
USB host and self-powered hubs
Bus-powered hubs
Hot plug-in power supplies
Battery-charger circuits
G526
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