AP2821KTR-G1 36V 2A Single-Channel Load Switch Ultra-Low 60mΩ Rds(on) 1.2V to 5.5V Logic Fast 20μs Startup True Reverse Current Blocking Thermal and Current Protection -40°C to +125°C

AP2821KTR-G1 36V 2A Single-Channel Load Switch Ultra-Low 60mandOmega; Rds(on) 1.2V to 5.5V Logic Fast 20andmu;s Startup True Reverse Current Blocking Thermal andamp; Current Protection -40anddeg;C to +125anddeg;C

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Features

andbull; Low MOSFET On-Resistance: 120mandOmega;@VIN = 5.0V

andbull; Compliant to USB Specifications

andbull; Operating Voltage Range: 2.7V to 5.5V

andbull; Low Supply Current: 35andmicro;A (typ)

andbull; Low Shutdown Current: andlt; 1andmicro;A

andbull; Current Limit with Foldback: 2A

andbull; Undervoltage Lockout

andbull; Soft Startup

andbull; Overcurrent Protection

andbull; Overtemperature Protection

andbull; Load Short Protection with Foldback

andbull; No Reverse Current when Power Off

andbull; Pass System ESD: IEC61000-4-2 andplusmn;16kV (Air Discharge) and andplusmn;8kV (Contact Discharge) on USB Connector

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Applications

andbull; USB power management

andbull; USB bus/self-powered hubs

andbull; Hot-plug power supplies

andbull; Battery-charger circuits

andbull; Notebooks, motherboard PCs

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Description

The AP2821 is an integrated high-side power switch that consists of TTL compatible enables input, a charge pump, and n-channel MOSFET. The switchandrsquo;s low RDS(ON), 120mandOmega;, meets USB voltage drop requirements. It includes soft-start to limit inrush current, overcurrent protection with fold-back, and thermal shutdown to avoid switch failure during hot plug-in. Undervoltage lockout (UVLO) function is used to ensure the device remains off unless there is a valid input voltage present. And no reverse current when power off, with shutdown pull-low resistor to discharge the output capacitor when EN is disabled.

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INFORMATION

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Drawing

Our advantage :phones, PDAand#39;s, notebook comput.ers

• High quality products --- our offers are 100% new and original, ROHS
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• Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
• Adequate inventory --- With the support of our strong Purchasing team,
• Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

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