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AAT4612 Arkusz danych(PDF) 1 Page - Advanced Analog Technology, Inc. |
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AAT4612 Arkusz danych(HTML) 1 Page - Advanced Analog Technology, Inc. |
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1 / 11 page  SmartSwitch™ AAT4612 Current Limited Load Switch 4612.2006.09.1.3 1 General Description The AAT4612 SmartSwitch is a current limited P- channel MOSFET power switch designed for high- side load switching applications operating with inputs ranging from 2.4V to 5.5V, making it ideal for both 3V and 5V systems. An integrated current limiting circuit protects the input supply from large currents which could potentially cause the supply to fall out of regulation. In addition, the AAT4612’s thermal overload protection limits power dissipa- tion and junction temperatures associated with pro- longed periods of operation in current limit. Due to its low RDS(ON), the AAT4612 can be used to control loads that require up to 1A even while operating at high ambient temperatures. The ultra-fast current limit response to a sudden short circuit is a mere 500ns which reduces the requirements of local supply bypassing. Quiescent current is a low 10µA and, in shutdown mode, the supply current decreases to less than 1µA. The AAT4612 is available in a Pb-free 5-pin SOT23 package or a Pb-free 8-pin SC70JW package and is specified over the -40°C to +85°C temperature range. Features • Input Voltage Range: 2.4V to 5.5V • 1A Current Limit Trip Threshold • Fast Transient Response: • <1µs Response to Short Circuit • Low Quiescent Current: • 10µA Typ • 1µA Max with Switch Off • 100m Ω Typical RDS(ON) • Under-Voltage Lockout • Thermal Shutdown • 4kV ESD Rating • 5-Pin SOT23 or 8-Pin SC70JW Package • -40°C to +85°C Temperature Range Applications • Hot Swap Supplies • Notebook Computers • Peripheral Ports • Personal Communication Devices Typical Application AAT4612 ON IN OUT GND ON INPUT GND GND CIN 1 μF COUT 0.47 μF VCC |
Podobny numer części - AAT4612 |
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Podobny opis - AAT4612 |
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