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AP2821 - High-side Power Distribution Switch

Datasheet Summary

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 switch’s low RDS (ON), 120mΩ, meets USB voltage drop requirements.

Features

  • Low MOSFET on Resistance: 120mΩ @VIN=5.0V.
  • Compliant to USB Specifications.
  • Operating Voltage Range: 2.7V to 5.5V.
  • Low Supply Current: 35μA (Typ. ).
  • Low Shutdown Current:.

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Datasheet preview – AP2821

Datasheet Details

Part number AP2821
Manufacturer BCD
File Size 414.54 KB
Description High-side Power Distribution Switch
Datasheet download datasheet AP2821 Datasheet
Additional preview pages of the AP2821 datasheet.

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Full PDF Text Transcription

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Advance Datasheet High-side Power Distribution Switch with Enable AP2821 General 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 switch’s low RDS (ON), 120mΩ, meets USB voltage drop requirements. It includes soft-start to limit inrush current, over-current protection with fold-back, and thermal shutdown to avoid switch failure during hot plug-in. Under voltage lockout (UVLO) function is used to ensure the device remain 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 disable. The AP2821 is available in standard package of SOT-23-5.
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