Tiny Power Switch good for 7Amps
With a package outline of just 1.2 x 2mm the Micrel MIC95410 is able to switch loads of 7A in the voltage range of 0.5 to 5.5 V. The switch provides high-side switching and the company anticipates it will find applications in the field of computing generally and in ultra-dense embedded computer boards where high-current, low-voltage rails from sub-1V to 5.5V are required to be sectioned. The integrated 6.6 mΩ RDS(ON) N-channel MOSFET ensures low voltage drop and low power dissipation while delivering up to 7A of load current.
A separate 2.7 to 9 V supply is necessary to power the chip’s logic. The chip also includes a TTL-logic level control input (CTL); a high level enables the switch and a logic low level disables the switch and discharges the output. The OFF-state current from the bias supply (VS) and the power switch OFF-state leakage current (IOFF) are both below 1μA. A capacitor can be connected at the GC input to provide switch slew-rate limiting to help reduce inrush current to the input supply voltage.
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