4A, low resistance load switch with controlled turn-on
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eeNews Europe
The APE8937-HF-3 load switch contains one N-channel MOSFET that can operate over a wide input voltage range from 0.8V to 5.5V and support a maximum continuous current of up to 4A. On-resistance is 22 mΩ from VIN=1.8V to VIN=5.0V. The switch is controlled by an on/off input, and is capable of interfacing directly with control signals as low as 0.8V.
Additional features include a 300Ω on-chip load resistor for output quick discharge when the switch is turned off. For power-sequencing, the rise time is adjustable by an external ceramic capacitor on the CT pin, which also reduces inrush current.
The APE8937-HF-3 switch is available in a 2 x 2 mm 8-pin DFN package with thermal pad.
APEC; www.a-powerusa.com/docs/APE8937-3.pdf
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