AAT4620 Datasheet PCMCIA Current Limit Interface and Capacitor Charger

Manufacturer: AAT

AAT4620 pcmcia current limit interface and capacitor charger by AAT - Datasheet Preview

Datasheet Details

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

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.

Overview

AAT4620 PCMCIA Current Limit Interface and Capacitor Charger.

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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