LB11948T

Ordering number : ENN7947A Monolithic Digital IC LB11948T www.DataSheet4U.com PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver 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 Maximum Ratings at Ta = 25°C Parameter VS supply voltage Logic system supply voltage Peak output current Continuous output current Emitter output voltage Input voltage Allowable power dissipation Operating temperature Storage temperature Note ∗: Specified PCB: 114.3 × 76.1 × 1.6 mm Symbol VS VCC IOpeak IOmax VE VIN Pdmax Topg Tstg Mounted on the specified PCB* tW ≤ 20 µS Conditions Ratings −0.3 to +18 −0.3 to +18 0.5 0.4 1.0 −0.3 to VCC 1.2 −20 to +85 −40 to +150 Unit V V A A V V W °C °C Recommended Operating Conditions at Ta = 25°C Parameter VS supply voltage VCC supply voltage Reference voltage Symbol VS VCC VREF Conditions Ratings 3.0 to 15 3.0 to 15 0.0 to 0.5 Unit V V V Any and all SANYO Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of ...