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AAT4620 Datasheet Pcmcia Current Limit Interface And Capacitor Charger

Manufacturer: AAT

Overview: AAT4620 PCMCIA Current Limit Interface and Capacitor Charger.

Datasheet Details

Part number AAT4620
Manufacturer AAT
File Size 595.79 KB
Description PCMCIA Current Limit Interface and Capacitor Charger
Datasheet AAT4620_AAT.pdf

General Description

The AAT4620 SmartSwitch is a current limited Pchannel MOSFET power switch designed for highside load-switching applications in PCMCIA GSM/GPRS/3G modem cards.

Used in conjunction with a super capacitor, the AAT4620 will ensure that the power ratings of the PCMCIA host are not exceeded at any time.

Featuring two independent, programmable current limits and a power loop, the AAT4620 can ensure that the super capacitor can be charged without exceeding PCMCIA specifications.

Key Features

  • SmartSwitch™.
  • VIN Range: 3.0V to 5.5V Dual Independent Current Limits.
  • 100mA to 1200mA.
  • ±10% Current Accuracy.
  • 20°C Temperature Band Reverse Current Blocking Protection Power Loop Low Quiescent Current.
  • 40µA Typical.
  • 1.0µA Max with Switch Off 65mΩ Typical RDS(ON) at 3V Only 1.4V Needed for Enable Control Pin System READY Output with Externa.

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