TA84006F 查看數據表（PDF） - Toshiba
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TA84006F Datasheet PDF : 21 Pages
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TA84006F/FG
<Example of 24 V support>
• Incorporate a Zener diode and make the external connections shown in the diagram below. Design the
device so that the voltage applied to the VM is clamped at 22 V below the maximum operating power
supply voltage.
• A capacitor is needed to control the effect of the counter-electromotive force.
Verification is particularly necessary when the motor current is large at startup or at shutdown (output
OFF).
24 V
Vz pin fluctuation width
20.9 V to 23.1 V
Due to the temperature characteristics (3.5 × 3 mV/°C),
the following applies at an ambient temperature of 85°C:
Vz (max) = 23.1 + (85 − 25) × 3.5 × 3 mV
= 23.73 V
VZ
VM
By taking the measures shown in the diagram on the right to bring
the voltage down to 22 V, the following becomes the case:
Vz (max) = 23.73 − (0.7 − 2 mV × (85 − 25) ) × 3
= 21.99 V
10
2004-08-10
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