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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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EMC2104 Fiches technique(PDF) 15 Page - SMSC Corporation |
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EMC2104 Fiches technique(HTML) 15 Page - SMSC Corporation |
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15 / 101 page  Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown Datasheet SMSC EMC2104 15 Revision 1.74 (05-08-08) DATASHEET Supply Current from VDD_5V IDD_5 100 uA Fan Driver enabled, No load current External Temperature Monitors Temperature Accuracy ±0.25 ±1 °C 60°C < TDIODE < 110°C 30°C < TDIE < 85°C ±0.5 ±2 °C 0°C < TDIODE < 125°C, 0°C < TDIE < 115°C Temperature Resolution 0.125 °C Diode decoupling capacitor CFILTER 2200 2700 pF Connected across external diode, CPU, GPU, or AMD diode Resistance Error Corrected RSERIES 100 Ohm Sum of series resistance in both DP and DN lines Internal Temperature Monitor Temperature Accuracy TDIE ±1 ±2 °C Temperature Resolution 0.125 °C Voltage Measurement Total Unadjusted Error TUE 1 % Measured at 3/4 full scale Reference Voltage VREF 800 mV Reference Accuracy ΔV REF 1% PWM Fan Driver PWM Resolution PWM 256 Steps PWM Duty Cycle DUTY 0 100 % RPM Based Fan Controller Tachometer Range TACH 480 16000 RPM Tachometer Setting Accuracy Δ TACH ±1 ±2 % External oscillator 32.768kHz Δ TACH ±2.5 ±5 % Internal Oscillator 40°C < TDIE < 100°C Digital I/O pins Input High Voltage VIH 2.0 V Input Low Voltage VIL 0.8 V Table 3.2 Electrical Specifications (continued) VDD = 3V to 3.6V, VDD_5V = 4.5V to 5.5V, TA = -40°C to 85°C, all Typical values at TA = 27°C unless otherwise noted. CHARACTERISTIC SYMBOL MIN TYP MAX UNIT CONDITIONS |
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