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LB1940U - (LB1940T/U) 2-ch H-Bridge Constant Current Driver

This page provides the datasheet information for the LB1940U, a member of the LB1940T (LB1940T/U) 2-ch H-Bridge Constant Current Driver family.

Description

Pin No.

Features

  • Low-voltage driving 2-power source type: VS = 1.6 to 7.5V, VDD = 1.9 to 6.5V Single power source type: VS = VDD = 1.9 to 7.5V.
  • Low saturation output: VO(sat) = 0.3V at IO of 200mA.
  • Constant-current control.
  • Built-in reference voltage (Vref = 0.9V).
  • Small-sized, low-profile package (LB1940T: TSSOP20; 225mil; thickness (t) = 1.2mm max. ) (LB1940U: MSOP20; thickness (t) = 0.85mm max. ) Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximu.

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Datasheet Details

Part number LB1940U
Manufacturer SANYO (now Panasonic)
File Size 334.53 KB
Description (LB1940T/U) 2-ch H-Bridge Constant Current Driver
Datasheet download datasheet LB1940U Datasheet
Additional preview pages of the LB1940U datasheet.

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Full PDF Text Transcription

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www.DataSheet.co.kr Ordering number : EN7232A LB1940T LB1940U Overview Monolithic Digital IC 2-ch H-Bridge Constant Current Driver The LB1940T and LB1940U are 2-phase exciter type bipolar stepping motor driver ICs that feature low-voltage, (supporting 3V battery) and low current operation with low saturation voltage. These ICs enable constant-current control of actuators, and are optimal for driving the actuators of PC peripherals such as USB compatible scanners, FDDs, and printers, as well as for controlling the shutter, iris, and AF of a digital still camera. Features • Low-voltage driving 2-power source type: VS = 1.6 to 7.5V, VDD = 1.9 to 6.5V Single power source type: VS = VDD = 1.9 to 7.5V • Low saturation output: VO(sat) = 0.
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