TDA5144 データシートの表示（PDF） - Philips Electronics
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TDA5144 Datasheet PDF : 20 Pages
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Philips Semiconductors
Brushless DC motor drive circuit
Notes to the characteristics
1. An unstabilized supply can be used.
2. VVMOT = VP, all other inputs at 0 V; all outputs at VP;
IO = 0 mA.
3. Switching levels with respect to MOT1, MOT2 and
MOT3.
4. Drivers are in the high-impedance OFF-state.
5. The outputs are short-circuit protected by limiting the
current and the IC temperature.
APPLICATION INFORMATION
Product specification
TDA5144
Fig.6 Output transition time measurement.
(1) Value selected for 3 Hz start-up oscillator frequency.
Fig.7 Application diagram without use of the operational transconductance amplifier (OTA).
June 1994
9
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