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PDF LB1938FA Data sheet ( Hoja de datos )
| Número de pieza | LB1938FA | |
| Descripción | Low-saturation Forward/Reverse Motor Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA2041
LB1938FA
Monolithic Digital IC
1ch, Low-saturation
Forward/Reverse Motor Driver
http://onsemi.com
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
Output current
Output voltage
Input applied voltage
Allowable power dissipation
VCC max
IOUT max
VOUT max
VIH max
Pd max
Mounted on a specified board *
10.5
800
VCC+VSF
10
400
V
mA
V
V
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.
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
40412 SY 20120321-S00010 No.A2041-1/5
1 page  
LB1938FA
ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number
of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at
www.onsemi.com/site/pdf/Patent-Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no
warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the
application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental
damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual
performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical
experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use
as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in
which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for
any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors
harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or
death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the
part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PS No.A2041-5/5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet LB1938FA.PDF ] | |
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