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Part Number
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AAT4620 |
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Manufacturer
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AAT |
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Description
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PCMCIA Current Limit Interface and Capacitor Charger |
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Published
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Jul 9, 2007 |
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Detailed Description
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AAT4620
PCMCIA Current Limit Interface and Capacitor Charger General Description
The AAT4620 SmartSwitch is a current li...
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Datasheet
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AAT4620
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Overview
AAT4620
PCMCIA Current Limit Interface and Capacitor Charger 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.
The current limit is set by two external resistors allowing a ±10% current limit accuracy over the normal operating temperature range.
The swit...
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