{"id":11771,"date":"2026-07-27T02:27:00","date_gmt":"2026-07-27T02:27:00","guid":{"rendered":"https:\/\/ic-vendor.com\/lm78s40n-nopb\/"},"modified":"2026-07-27T10:15:04","modified_gmt":"2026-07-27T10:15:04","slug":"lm78s40n-nopb","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/lm78s40n-nopb\/","title":{"rendered":"LM78S40N\/NOPB"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

LM78S40N is a switching voltage regulator subsystem with 1.25A switch, 40V breakdown, DIP-16 package for step-up\/step-down\/inverting.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0648\u0638\u064a\u0641\u0629<\/td>\nSwitching regulator subsystem<\/td>\n<\/tr>\n
Switch Current<\/td>\n1.25 A<\/td>\n<\/tr>\n
Switch Breakdown<\/td>\n40 V<\/td>\n<\/tr>\n
\u062a\u0631\u062f\u062f \u0627\u0644\u062a\u062d\u0648\u064a\u0644<\/td>\nUp to 100 kHz<\/td>\n<\/tr>\n
Reference Voltage<\/td>\n1.25V<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nDIP-16<\/td>\n<\/tr>\n
Topologies<\/td>\nStep-up, step-down, inverting<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Versatile switching regulator building block<\/li>\n
  • 1.25A internal power switch<\/li>\n
  • 40V switch breakdown voltage<\/li>\n
  • Supports step-up, step-down, inverting<\/li>\n
  • DIP-16 through-hole package<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n

    Refer to manufacturer datasheet for detailed application information and design guidelines.<\/p>","protected":false},"excerpt":{"rendered":"

    Product Overview LM78S40N is a switching voltage regulator subsystem with 1.25A switch, 40V breakdown, DIP-16 package for step-up\/step-down\/inverting. Key Specifications Function Switching regulator subsystem Switch Current 1.25 A Switch Breakdown 40 V Switching Frequency Up to 100 kHz Reference Voltage 1.25V Package DIP-16 Topologies Step-up, step-down, inverting Features Versatile switching regulator building block 1.25A internal […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[3058],"chip_brand":[1893],"class_list":["post-11771","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","tag-lm78s40n-nopb","chip_brand-texas-instruments"],"acf":{"brief_explanation":"Switching voltage regulator, 40V, 1.5A, step-up\/step-down\/inverting","date_code":"","package_case":"See datasheet","in_stock":8310,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/lm78s40.pdf","price":"$0.50 - $3.00","product_introduction":"LM78S40N is a switching voltage regulator subsystem with 1.25A switch, 40V breakdown, DIP-16 package for step-up\/step-down\/inverting.","working_principle":"The LM78S40N\/NOPB is a Texas Instruments interface or analog IC providing signal conditioning, level translation, or protocol conversion between system domains. The internal architecture uses precision analog circuitry (bandgap references, op-amps, comparators) combined with digital logic for configuration and control. The device supports standard communication protocols and voltage levels, enabling interoperability between mixed-voltage system components.","pin_description":"
    Pin Group<\/th>Name<\/th>Description<\/th><\/tr>
    I\/O<\/td>Signal pins<\/td>Primary signal interface pins<\/td><\/tr>
    Power<\/td>VCC\/VDD<\/td>Supply voltage pins<\/td><\/tr>
    Ground<\/td>GND\/VSS<\/td>Ground reference pins<\/td><\/tr>
    Control<\/td>EN, RST, CS<\/td>Enable, reset, and chip select controls<\/td><\/tr><\/table>","application_scenarios":"
    • Multi-voltage I2C\/SPI bus extension<\/li>
    • Sensor signal conditioning<\/li>
    • Protocol conversion<\/li>
    • Hot-swap and power sequencing<\/li><\/ul>","alternative_models":"
      Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
      NCV4275<\/td>ON Semi<\/td>Equivalent LDO function<\/td><\/tr>
      AP2112<\/td>Diodes Inc<\/td>Low-cost LDO alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/comments?post=11771"}],"version-history":[{"count":1,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11771\/revisions"}],"predecessor-version":[{"id":12235,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11771\/revisions\/12235"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=11771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=11771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=11771"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=11771"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}