AP22850 is an integrated P-Channel load switch, which features an adjustable ramp-up and discharge rate that can be set via an external capacitor and a resistor, respectively. In addition, it incorporates a “power good” output to flag when the switch is fully enhanced. The PChannel switch has a typical RDS(ON) of 21mΩ, enabling a current handling capability of up to 8A.
AP22850 is designed to operate from 4.5V to 11V. The near-zero quiescent supply current makes it ideal for use in battery powered distribution systems where power consumption is a concern.
Even as a P-Channel load switch, AP22850 does not require an external gate pull-up resistor, and consequently, stays true to its headlining feature of near-zero quiescent current specification. It also features circuitry to suppress fast input transients (with EN low) from coupling to VOUT.
Integrated Load Switches in Ultrabook PCs
Power Up/Down Sequencing in Ultrabook PCs
Notebooks / Netbooks
Near-Zero Quiescent Current
No External Gate Pull-Up Resistor Required
Suppresses Fast Transients on VIN
4.5V to 11V Input Voltage Range
Low Typical RDS(ON) of 21mΩ
Adjustable Start-Up and Discharge Rate
Small Form Factor Package W-DFN2020-8
Footprint of just 4mm2
Thermally Efficient Package with an Exposed Pad
Case Material: Molded Plastic, “Green” Molding Compound. UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Lead-Free Plating (NiPdAu Finish over Copper Leadframe). Terminals: Solderable per MIL-STD-202, Method 208