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
| Category | | andnbsp; |
| Mfr | | |
| Series | | |
| Packaging | Tape andamp; Reel (TR) Cut Tape (CT) Digi-Reelandreg; | andnbsp; andnbsp; andnbsp; |
| Part Status | | |
| Switch Type | | |
| Number of Outputs | | |
| Ratio - Input:Output | | |
| Output Configuration | | |
| Output Type | | |
| Interface | | |
| Voltage - Load | | |
| Voltage - Supply (Vcc/Vdd) | | |
| Current - Output (Max) | | |
| Rds On (Typ) | | |
| Input Type | | |
| Features | | |
| Fault Protection | Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO | |
| Operating Temperature | -40anddeg;C ~ 85anddeg;C (TA) | |
| Mounting Type | | |
| Supplier Device Package | | |
| Package / Case | | |
| Base Product Number | |
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Drawing
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- 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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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 Images
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