Vishay has released two MICRO FOOT power MOSFETs with maximum dimensions of 1 x 1 x 0,548 mm. The 20 V p-channel Si8461DB and Si8465DB are designed for load switch, battery switch and charger switch applications.
On-resistance for the Si8461DB is 0,1 Ω at a 4,5 V gate drive. It is specified for maximum on-resistance values at 2,5 V, 1,8 V and 1,5 V, which aligns the device with the smaller input signals common in portable systems. For applications requiring higher input voltages such as charger switches, the Si8465DB has a gate-to-source voltage of 12 V; on-resistance is 0,104 Ω at a 4,5 V gate drive and 0,148 Ω at 2,5 V.
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