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LB1941T - Constant Current Forward/Reverse Driver IC

Features

  • 8 5 LB1941T Allowable Operating Range at Ta = 25°C Parameter Function-guaranteed voltage range Constant-current set range Input low level voltage Input high level voltage Symbol VOPR IOUT VIL VIH Set with RFG-GND resistance IN1, IN2 IN1, IN2 Conditions www. DataSheet4U. com Ratings 2.5 to 10 50 to 500.
  • 0.3 to +0.5 2.0 to 10 Unit V mA V V Electrical Characteristics at Ta = 25°C Parameter Standby Current dissipation [Constant-current H bridge drive circuit] Output saturation voltage O.

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Full PDF Text Transcription

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Ordering number : ENN7193 www.DataSheet4U.com Monolithic Digital IC LB1941T Constant Current Forward/Reverse Driver IC for Digital Cameras Overview The LB1941T is a single-channel forward/reverse driver IC that provides a constant current control function. Its low-saturation output makes it appropriate for voice coil motor control, and it is optimal for use as the shutter driver IC in digital cameras. Package Dimensions unit: mm 3245A-MSOP8 [LB1941T] 3.0 0.08 (0.85) 1.1max Constant current control (IO = 400 mA when Rf = 0.5 Ω) Ultraminiature package (MSOP8: 150 mil) Built-in thermal protection circuit Includes a rapid charge/rapid discharge circuit for stable shutter operation. • Built-in reference voltage circuit (0.2 V typical) • • • • 0.65 (0.53) 1 4 0.25 0.125 3.0 4.
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