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LB11948T-TLM-E Scheda tecnica(PDF) 1 Page - ON Semiconductor |
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LB11948T-TLM-E Scheda tecnica(HTML) 1 Page - ON Semiconductor |
1 / 13 page D2607 MS PC 20060201-S00001/N2206/D1504TN(OT)/81004TN(OT) No.7947-1/13 http://onsemi.com Semiconductor Components Industries, LLC, 2013 June, 2013 LB11948T Overview The LB11948T is a low saturation voltage output PWM current control bipolar drive stepping motor driver. It is optimal for use as the driver for the miniature low-voltage stepping motors used in portable electronic equipment such as portable thermal printers. Features • PWM current control (external excitation) • Simultaneous on state prevention function (through current prevention) • Thermal shutdown circuit • Noise canceller function • Low-power mode control pin Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit VS supply voltage VS -0.3 to +18 V Logic system supply voltage VCC -0.3 to +18 V Peak output current IO peak tW ≤ 20μS 0.5 A Continuous output current IO max 0.4 A Emitter output voltage VE 1.0 V Input voltage VIN -0.3 to VCC V Allowable power dissipation Pd max Mounted on the specified PCB* 1.2 W Operating temperature Topg -20 to +85 °C Storage temperature Tstg -40 to +150 °C Note * : Specified PCB : 114.3 ×76.1×1.6mm Monolithic Digital IC PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver Ordering number : EN7947B Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. |
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