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AH291-PL-B Datasheet(PDF) 4 Page - Diodes Incorporated |
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AH291-PL-B Datasheet(HTML) 4 Page - Diodes Incorporated |
4 / 10 page AH291 LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER AH291 Rev. 3 4 of 10 JANUARY 2007 www.diodes.com © Diodes Incorporated Absolute Maximum Ratings ( TA = 25°C ) Characteristics Symbol Rating Unit Operating Supply Voltage Vdd 8 V IO(AVE) 400 Output Current IO(PEAK) 700 mA SIP-4L 550 Power Dissipation PD SOT89-5L 800 mW Operating Temperature Topr -20 ~ 100 °C Storage Temperature Tstg -55 ~ 150 °C Maximum Junction Temperature Tj 150 °C Electrical Characteristics ( TA = 25 °C, Vdd = 5V, unless otherwise specified ) Characteristics Symbol Conditions Min. Typ. Max. Unit Supply Voltage Vdd Operating 1.8* - 5.75 V Supply Current Idd Operating - 2.6 4.0 mA Lock Protection On Tlrp-on - 0.4 - Sec Lock Protection Off Tlrp-off 2.4 3 3.6 Sec IO = 180mA - 300 - Output Saturation Voltage ) ( SAT OUT V IO = 350mA - 600 - mV Output On Resistance Rds(on) - 1.75 - ohm Output Zener-Breakdown Voltage Vz - 15 - V *Note: 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. 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 |
Similar Part No. - AH291-PL-B |
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