Datenblatt-Suchmaschine für elektronische Bauteile |
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MC34921R2 Datenblatt(PDF) 10 Page - List of Unclassifed Manufacturers |
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MC34921R2 Datenblatt(HTML) 10 Page - List of Unclassifed Manufacturers |
10 / 36 page Analog Integrated Circuit Device Data 10 Freescale Semiconductor 34921 STATIC ELECTRICAL CHARACTERISTICS Motor Drivers in DC Mode (cont) Output MOSFET Leakage Current VGS = 0.0 V, VO = 0.0 V or 20 V IDSS –0.1 ±40 µA Current Limit Maximum Duty Cycle(9) IDCLIMIT 1.0 2.0 4.0 % Current Limit Pulse Width(9) ILIMITPW 0.5 1.5 6.0 µs Motor Driver C in Step Mode Switch Voltage Drop, Output to Ground ISTEP = 0.375 A, GND to Output VSDROP –– 1.5 V Step Motor Current Limit B+ = 20 V ISTEP(LIMIT) 1.0 – 2.0 A Voltage at Which Internal Clamp Activates IDSS = 1.0 mA, B+ = 20 V VCLAMP 44 51 59 V Tested Maximum High-Voltage Leakage Current VS = VCLAMP +4.0 IBREAKDOWN –0.5 40 µA Any Step Driver Output Leakage Current to Ground B+ = 20 V, VS = 20 V ILEAKAGE –0.1 40 µA Current Limit Maximum Duty Cycle tdILIMIT 5.0 11 15 % Current Limit Pulse Width ILIMITPW 510 20 µs Vb Charge Pump Boost Voltage IB = 0.5 mA Vb B++10 B++11.5 B+ +15 V External N-FET Gate Drive Output GATEOUT High Output IOH = 4.0 mA IOH = 200 µA VOH2 Vb -6.0 Vb -0.3 Vb -2.5 Vb -.1 Vb Vb V GATEOUT Low Output IOL = -200 µA VOL –0.1 0.3 V Notes 9. Motor driver A, B, C Top Side only. For C Bottom Side, see Motor Driver C in Step Mode: Current Limit Maximum Duty Cycle and Current Limit Pulse Width Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions 16 V ≤ B+ ≤ 34 V, 0 °C ≤ TA ≤ 70°C, and 0°C ≤ TJ ≤ 100°C unless otherwise noted. Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted. Characteristic Symbol Min Typ Max Unit |
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