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AH291-YG-13 Datasheet(PDF) 3 Page - Diodes Incorporated |
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AH291-YG-13 Datasheet(HTML) 3 Page - Diodes Incorporated |
3 / 9 page AH291 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER AH291 Document number: DS31041 Rev. 8 - 2 3 of 9 www.diodes.com June 2010 © Diodes Incorporated Absolute Maximum Ratings (TA = 25°C) Symbol Characteristics Rating Unit Vdd Operating Supply Voltage 8 V IO Output Current IO(AVE) SIP-4L 400 mA SOT89-5L 400 mA IO(PEAK) 700 mA PD Power Dissipation SIP-4L 550 mW SOT89-5L 800 mW TST Storage Temperature -55 ~ 150 °C TJ Maximum Junction Temperature 150 °C Recommended Operating Conditions Symbol Characteristic Conditions Min Max Unit Vdd Supply Voltage (Note 2) Operating 1.8 5.75 V TA Operating Ambient Temperature Operating -20 100 °C Notes: 2. The output of IC will be switched after the supply voltage is over 1.8V, but the magnetic characteristics won't be normal until the supply is over 2.0V. Electrical Characteristics (TA = 25 °C, Vdd = 5V, unless otherwise specified) Symbol Characteristics Conditions Min Typ. Max Unit Idd Supply Current Operating - 2.6 4.0 mA TRLP-ON Rotor Lock Protection On Time - 0.4 - Sec TRLP-OFF Rotor Lock Protection Off Time 2.4 3 3.6 Sec ) SAT ( OUT V Output Saturation Voltage IO = 180mA - 300 - mV IO = 350mA - 600 - mV RDS(ON) Output On Resistance - 1.75 - ohm Vz Output Zener-Breakdown Voltage - 15 - V Truth Table IN- IN+ CT OUT1 OUT2 Mode H L L H L Rotating L H L L H Rotating - - H off off Lockup protection activated |
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