AAT4626IAS-1-T1 Advanced Analogic Technologies, Inc., AAT4626IAS-1-T1 Datasheet

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SmartSwitch TM General Description The AAT4626 SmartSwitch is part of AnalogicTech’s Application Specific Power MOSFET™ (ASPM™) product family dual-channel 500mA current-limited P-channel MOSFET power switch designed for high-side load switching applications. This switch operates with inputs ranging ...

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SmartSwitch SmartSwitch TM TM Pin Descriptions Pin # Symbol Function EN(A/B) Enable inputs: logic-compatible enable input. High input > 2.1V typical. Low input < 1.9V typical. Active high 1, 4 (EN(A/B)) or active low option available; see Ordering Information for ...

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SmartSwitch SmartSwitch TM TM Absolute Maximum Ratings T = 25°C, unless otherwise noted. A Symbol Description GND IN V FLGA, FLGB to GND FLG I FLGA, FLGB Current FLG V OUTA, OUTB to GND OUT I Output ...

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SmartSwitch SmartSwitch TM TM Electrical Characteristics -40°C to +85°C, unless otherwise noted. Typical values are temperature range. Symbol Description I Quiescent Current Q V Enable Input Threshold IN-THRSH I Enable Input ...

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SmartSwitch SmartSwitch TM TM Typical Characteristics Unless otherwise noted 5V Quiescent Current vs. Temperature -40 - Temperature (°C) Current Limit 1.4 1.2 1 0.8 0.6 ...

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SmartSwitch SmartSwitch TM TM Typical Characteristics Unless otherwise noted 5V Turn-On/Off Response with 10Ω, 1μF Load EN (5V/div) FAULT (5V/div) V (1V/div) OUT I (500mA/div) IN Time (100μs/div) Thermal Shutdown Response EN (5V/div) FAULT (5V/div) V ...

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SmartSwitch SmartSwitch TM TM Functional Block Diagram IN ENA (ENA) Reference Functional Description The AAT4626 is a dual integrated MOSFET load switch with a fixed level current limit, over-temperature protec- tion, level shifted inputs, and a fault flag for each ...

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SmartSwitch TM Applications Information Operation in Current Limit If an excessive load is applied to either output of an AAT4626, the load current will be limited by the device’s current limit circuitry. Refer to the “Current Limit” curve in the ...

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SmartSwitch TM Output Capacitor In order to insure stability while the device current limit is active, a small capacitance of approximately 1μF should be used on each output. When either output of the AAT4626 is activated using the EN(A/B) function, ...

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SmartSwitch TM Hot-Plug Applications Application circuit cards with a high inrush current poten- tial can be limited by use of the AAT4626. The AAT4626 has both slew rate limited turn on characteristics and cur- rent limit controlled outputs, which make ...

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SmartSwitch SmartSwitch Input Power Supply 4.50V to 5.25V GND Figure 3: Summary of Typical Circuit Voltage Drops Caused by AAT4626 Circuit Components and PCB Trace Resistance. Figure 4: AAT4626 Evaluation Board Component Side Layout. Figure 6: AAT4626 ...

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SmartSwitch SmartSwitch TM TM Application Circuits V = 5.0V BUS C IN 0.1µF 100kΩ USB Controller On/Off A Error Flag A Error Flag B On/Off B Figure 7: Typical Dual USB Host Port Application. 4.50V to 5.25V Upstream V BUS ...

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SmartSwitch SmartSwitch TM TM 4.50V to 5.25V Upstream V BUS 100mA Maximum AAT3200-3 BUS GND D+ D- 1µF GND Data Figure 9: USB Bus Powered Dual Port USB Hub. 4626.2008.02.1.3 4626.2008.02.1.3 100kΩ 100kΩ 3.3V USB Controller AAT4626 ENA ...

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... All dimensions in millimeters. 1. Sample stock is generally held on part numbers listed in BOLD USB Dual-Channel Power Switch USB Dual-Channel Power Switch Marking Part Number (Tape and Reel) 4626-1 AAT4626IAS-1-T1 4626 4626-1 AAT4626IHS-1-T1 4626 SOP-8 0.375 ± 0.125 45° 0.825 ± 0.445 ...

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... Phone (408) 737-4600 Fax (408) 737-4611 © Advanced Analogic Technologies, Inc. AnalogicTech cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in an AnalogicTech product. No circuit patent licenses, copyrights, mask work rights, or other intellectual property rights are implied. AnalogicTech reserves the right to make changes to their products or specifi cations or to discontinue any product or service without notice. Except as provided in AnalogicTech’s terms and conditions of sale, AnalogicTech assumes no liability whatsoever, and AnalogicTech disclaims any express or implied warranty relating to the sale and/or use of AnalogicTech products including liability or warranties relating to fi ...