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L6260 Datasheet(PDF) 8 Page - STMicroelectronics |
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L6260 Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 30 page ELECTRICAL CHARACTERISTICS (continued) Spindle Motor Symbol Parameter Test Condition Min. Typ. Max. Units Io Maximum Output Current 1 A Rdson Sink Sink On Resistance Tj =125 °C, Iload = 1A 0.4 Ohms Rdson Total Total drive resistance Rdson sink + Rdson source Tj =125 °C, Iload = 1A 0.8 Ohms dv/dt Voltage Slew Rate 0.2 2 V/ µs Spindle Current Sense FET linearity Large signal Current sense circuit linearity (spin-up). 2000:1 current sense. 1% to full scale current 5 %FS Linearity small signal Current sense circuit linearity(at speed). 500:1 current sense. 1% to 10% full scale 0.5 % BW Current loop bandwidth small signal (at speed) Lmotor 100 µHto 1 µH 20 KHz FS Full scale current error 5 %FS matching Current sense matching 25 to 250 mA 5 % DAC Acceleration Control res Resolution Full scale 8 bits NL Differential Non-linearity 0.5 LSB INL Integral Non-linearity 1 LSB FS Full scale accuracy 5 % CT Conversion time 10 ms FSTC Full Scale Temp Coefficient 250 ppm/ °C Voh 1.235 1.25 1.245 V Vol 0 0.2 0.3 V Gain1X Current Sense Gain at 500:1 502 525 554 Gain5X Current Sense Gain at 2500:1 2400 2900 Step-up Converter Vsu3 Step-up converter voltage (using Tripler as a doubler) above 5V. Vdd = 4.5 to 5.5 volts, Maximum load 6V Digital Inputs (All digital inputs are CMOS compatible) Vih High level input voltage I in = TBD 30% Vdd V Vil Low level input voltage I in = TBD 70% Vdd V Voh High level output voltage I out = TBD Vdd-0.6 V Vol Low level output voltage I out = TBD 0.4 V Iin Input leakage current Tj =125 °C+1 -1 µA Power On Reset (Either low voltage detector can be disabled by trying the divider to a high voltage) Tdelay Minimum delay power OK to RESET high CPOR_DELAY = 0.22*H 50.32 70.4 64.46 ms Vref Voltage reference 1.235 1.25 1.265 V Retract Tretract Retract time before brake power low detected Tretract = 0.4 x RC TBD TBD ms Rdson Total switch circuit resistance 10 Ohms I for Vretract 2 quadrant retract voltage VBEMF > PARK_Voltage 11 13 15 µA L6260 8/30 |
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