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AAT4618,pdf datasheet(Current
消耗积分:2 |
格式:rar |
大小:221 |
2010-01-29
王军
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The AAT4618 SmartSwitch is a member of AnalogicTech's Application Specific Power MOSFET ™ (ASPM™) product family. It 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 2.5V, 3V, and 5V systems. An integrated currentlimiting circuit protects the input supply from large currents which may cause the supply to fall out of
regulation. In addition, the AAT4618 thermal overload protection limits power dissipation and junction temperatures associated with prolonged periods of operation in current limit. Due to its low RDS(ON), the AAT4618 can be used to control loads that require up to factory preset 400mA, 500mA, or 1A. The ultra-fast current limit response to a sudden short circuit is a mere 400ns which reduces the requirements of local supply bypassing. An open drain FAULT flag signals an over-current or over-temperaturecondition after a 4ms timeout. Quiescent current
is a low 10μA and the supply current decreases to less than 1μA in shutdown mode.
regulation. In addition, the AAT4618 thermal overload protection limits power dissipation and junction temperatures associated with prolonged periods of operation in current limit. Due to its low RDS(ON), the AAT4618 can be used to control loads that require up to factory preset 400mA, 500mA, or 1A. The ultra-fast current limit response to a sudden short circuit is a mere 400ns which reduces the requirements of local supply bypassing. An open drain FAULT flag signals an over-current or over-temperaturecondition after a 4ms timeout. Quiescent current
is a low 10μA and the supply current decreases to less than 1μA in shutdown mode.
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