Vishay Intertechnology, a manufacturer of discrete semiconductors and passive electronic components, has released two new slew-rate-controlled p-channel high-side load switches designed for 1.5 V to 5.5 V operation. The SiP32458 and SiP32459 are ideal for load switching in portable electronics, including smartphones, GPS devices, digital cameras, media players, notebooks and tablet devices.
According to the company, “the SiP32458 and SiP32459 each offer an integrated gate pump that provides low and flat on-resistance down to 20 mΩ while maintaining a low quiescent current. Offered in a compact 6-bump wafer-level CSP package (WCSP6), the devices feature a controlled slow turn-on slew rate of 3 ms typical at 4.5 V to limit the in-rush current for designs with capacitive or noise-sensitive loads.”
In addition, “for higher efficiency”, the load switches provide “low switch on-resistance of 30 mΩ typical at 1.5 V, 26 mΩ typical at 1.8 V, and 20 mΩ typical at 3.3 V and 5 V. Both switches support 3 A of continuous current, while a low quiescent current of 4.2 µA typical allows for longer on-times in battery-powered equipment.”
