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LB1938FA датащи(PDF) 1 Page - ON Semiconductor |
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LB1938FA датащи(HTML) 1 Page - ON Semiconductor |
1 / 5 page 40412 SY 20120321-S00010 No.A2041-1/5 http://onsemi.com LB1938FA Overview The LB1938FA is an H-bridge motor driver that supports low-voltage drive and features low-saturation outputs in an ultraminiature slim package. The LB1938FA provides forward, reverse, brake, and standby modes controlled by two input signals, and is an optimal DC motor driver for notebook personal computers, digital cameras, cell phones, and other portable equipment. Features • Ultraminiature Micro8 package • The low saturation voltage means that the voltage applied to the motor is higher and IC heat generation is reduced. This allows this IC to be used in environments with higher ambient operating temperatures. Output saturation voltage (high side + low side): VOsat = 0.15V typical (IO = 100mA) • The wide usable voltage range and the low standby mode current drain of 0.1 µA make this IC optimal for battery operated equipment. • There are no constraints on the relationship between the input signal voltage and the supply voltage. For example, this IC can be use at VCC = 3V and VIN = 5V. • Thermal protection circuit limits the drive current and prevents the IC from causing a fire or being destroyed if the IC chip temperature reaches or exceeds 180°C due to large currents flowing when the outputs are shorted due to, for example, motor layer shorting or other phenomena. Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Supply voltage VCC max 10.5 V Output current IOUT max 800 mA Output voltage VOUT max VCC+VSF V Input applied voltage VIH max 10 V Allowable power dissipation Pd max Mounted on a specified board * 400 mW Operating temperature range Topr -30 to +85 °C Storage temperature range Tstg -55 to +150 °C Note *: Mounted on a specified board: 114.3mm ×76.1mm×1.5mm, glass epoxy resin, wiring density 20% Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time. Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details. Ordering number : ENA2041 Monolithic Digital IC 1ch, Low-saturation Forward/Reverse Motor Driver 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. Semiconductor Components Industries, LLC, 2013 May, 2013 |
Аналогичный номер детали - LB1938FA |
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Аналогичное описание - LB1938FA |
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