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LB1945H Scheda tecnica(PDF) 7 Page - ON Semiconductor

Il numero della parte LB1945H
Spiegazioni elettronici  Stepping Motor Driver
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LB1945H Scheda tecnica(HTML) 7 Page - ON Semiconductor

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LB1945H
PS No.6193-7/7
Usage Notes
1. VREF pin
Because the VREF pin is used as reference voltage input pin for the current setting, care must be taken to prevent
noise from affecting the input.
2. GND pin
Because this IC switches large currents, the ground pattern must be designed with care. The fin on the bottom of the
package and the fins between pins 7 and 8 and 21 and 22 should be grounded. Low-impedance patterns should be used
in blocks where large currents flow, and these blocks should be separated from low-level signal blocks. In particular,
the ground of the sense resistor RE at pin E should be located close to the IC ground. Pattern layout should be
designed so that the capacitors between VCC and ground and VBB and ground are close to VCC and VBB.
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 ofthe
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.


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