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AH284-PG-B Datasheet(PDF) 4 Page - Diodes Incorporated |
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AH284-PG-B Datasheet(HTML) 4 Page - Diodes Incorporated |
4 / 10 page AH284 HALL-EFFECT SMART FAN MOTOR CONTROLLER AH284 Document number: DS31051 Rev. 11 - 2 4 of 10 www.diodes.com June 2010 © Diodes Incorporated Electrical Characteristics (TA = 25 °C, Vdd = 12V, unless otherwise specified) Symbol Characteristics Conditions Min Typ. Max Unit Idd Supply Current Operating - 2.0 4.0 mA IOFF Output Leakage Current VOUT = 24V - < 0.1 10 μA TRLP-ON Rotor Lock Protection On Time 0.4 0.5 0.6 Sec TRLP-OFF Rotor Lock Protection Off Time 2.4 3 3.6 Sec VOUT(SAT) Output Saturation Voltage IO = 300mA - 375 500 mV IO = 500mA - 625 900 RDS(ON) Output On Resistance IO = 300mA - 1.25 1.67 ohm VZ Output Zener-Breakdown Voltage 35 42 60 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 Magnetic Characteristics (TA = 25 °C, Vdd = 12V, unless otherwise specified, Note 3) (1mT = 10 Gauss) Symbol Characteristics Min Typ. Max Unit Bop Operation Point 10 30 60 Gauss Brp Release Point -60 -30 -10 Gauss Bhy Hysteresis - 60 - Gauss Notes: 3. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering. |
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