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| DC Brushless Motor Driver IC PT-308Fx Double Coil Motor Driver IC Overview This universal DC brushless motor driver IC is designed for various DC motor's applications. This driver IC can be used for double coil DC brushless motor. This driver IC accept the hall IC's output signal and drives the motor coil directly without any other extra transistors. Applications Double coils DC brushless motor. 4V to 18V operation Package: SOT-26 Features Motor lock protection and automatic restart Low power consumption and high driving efficiency PWM speed control RD output FG output PT-308F-A: Analogy PWM motor driver PT-308F-B: Linear PWM motor predriver A2 A1 e SOP 8 L H E D A PT-308F-C: Analogy PWM motor driver, no pull-up diode PT-308F-D: Digital PWM motor driver C L b SYMBOLS DIMENSIONS IN MILLIMETERS(mm) MIN NOM MAX Input Devices Hall IC A A1 A2 b C D E H e L 1.47 0.10 0.33 0.19 4.80 3.81 5.79 0.38 1.60 1.45 0.41 0.20 4.85 3.91 5.99 1.27 0.71 1.73 0.30 0.51 0.25 4.95 3.99 6.20 1.27 Specifications Absolute Maximum Ratings (Ta = 25 C) Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Output Continuous current Output Peak current Symbol VDD max Conditions Ratings 18 Units V mW O Pd Ta Ts I0ut I0ut Max. T< 20us - * 350 -30 ~ +125 -55 ~ +150 400 650 C C O mA mA * On 50mm x 50mm x 1.6mm glass epoxy board PROLIFIC TECHNOLOGY INC. 7F, No.48, Sec.3, Nan Kang Rd., Nan Kang, Taipei, 115, Taiwan Ver.1.5 Date: Jun. 2002 |
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