- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for SN75478P
- Part Number SN75478P
- Manufacturer Texas Instruments
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - P (R-PDIP-T8)
- Released Date Sep 17, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
SN75478P Details
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Manufacturer Part Number:
SN75478P
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Brand Name:
Texas Instruments
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Part Package Code:
DIP
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Package Description:
PDIP-8
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Pin Count:
8
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Country Of Origin:
Mexico
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
SN75478P Frequently Asked Questions (FAQs)
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The maximum current that can be sourced or sunk by each output is 35mA, as specified in the datasheet. However, it's recommended to derate this value based on the ambient temperature and the number of outputs being driven.
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To prevent damage from back-EMF, it's recommended to add a flyback diode (also known as a freewheeling diode) in parallel with the inductive load. This diode allows the current to continue flowing when the output is turned off, preventing the voltage from spiking and damaging the output transistors.
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The minimum input voltage required for the SN75478P to function properly is 4.5V, as specified in the datasheet. However, it's recommended to use a voltage regulator to ensure a stable 5V supply to the device.
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Yes, the SN75478P can be used to drive a relay, but the relay's coil current and voltage must be within the output current and voltage ratings of the device. Additionally, a flyback diode should be used to prevent back-EMF damage, and a current-limiting resistor may be required to prevent excessive current draw.
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The output voltage of the SN75478P when driving a load depends on the input voltage, output current, and the internal voltage drop of the device. As a rough estimate, the output voltage can be calculated as Vin - 1.5V (typical voltage drop) - Iout * Rds(on) (output resistance). However, it's recommended to consult the datasheet and perform experiments to determine the actual output voltage for a specific application.
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SN75478P Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.