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L6234PD Datasheet(PDF) 1 Page - STMicroelectronics |
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L6234PD Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 16 page  November 2011 Doc ID 1107 Rev 10 1/16 16 L6234 Three phase motor driver Features ■ Supply voltage from 7 to 52 V ■ 5 A peak current ■ RDSon 0.3 Ω typ. value at 25 °C ■ Cross conduction protection ■ TTL compatible driver ■ Operating frequency up to 150 kHz ■ Thermal shutdown ■ Intrinsic fast free wheeling diodes ■ Input and enable function for each half bridge ■ 10 V external reference available Description The L6234 is a triple half bridge to drive a brushless DC motor. It is realized in BCDmultipower technology which combines isolated DMOS power transistors with CMOS and Bipolar circuits on the same chip. By using mixed technology it has been possible to optimize the logic circuitry and the power stage to achieve the best possible performance. The output DMOS transistors can sustain a very high current due to the fact that the DMOS structure is not affected by the second breakdown effect, the RMS maximum current is practically limited by the dissipation capability of the package. All the logic inputs are TTL, CMOS and µP compatible. Each channel is controlled by two separate logic input. L6234 is available in 20 pin PowerDIP package (16+2+2) and in PowerSO20. Table 1. Device summary Order code Package Packing L6234 PowerDIP20 Tube L6234PD PowerSO20 Tube L6234PD013TR PowerSO20 Tape and reel www.st.com |
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