08025SE

TACHO Specifications

Tachometer Signal

1. Output Circuit: Open Drain

2. Specification

Absolute Maximum Ratings at Ta=25˚C

V

DSmax: +15V

I

Dmax: 5mA[VDS(sat)max=0.5V]

3. Output Waveform: At Rated Voltage

1) When the rotor is locked at VOH position of signal, signal keeps VOH position.

2) When the rotor is locked at VOL position of signal, signal keeps VOL position.

3) T=T1+T2+T3+T4=60/m=1 rotation

m: Fan Speed (min-1)

Tacho Duty Cycle=50%±10%

Output Signal Voltage

IP55 Protected/Tacho Output Brushless DC Fan

03.22..22 | Rev. 1.1

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