{"id":8464,"date":"2026-06-29T02:13:52","date_gmt":"2026-06-29T02:13:52","guid":{"rendered":"https:\/\/materialparts.com\/l78l06abz\/"},"modified":"2026-06-29T06:27:50","modified_gmt":"2026-06-29T06:27:50","slug":"l78l06abz","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/l78l06abz\/","title":{"rendered":"L78L06ABZ"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The L78L06ABZ from STMicroelectronics is a three-terminal positive voltage regulator from the L78L series, providing a fixed 6V output at up to 100 mA in a through-hole TO-92 package. It features internal current limiting, thermal shutdown, and short-circuit protection, requiring no external components for operation. The A-grade version offers +\/-4% output voltage tolerance over the -40\u00b0C to +125\u00b0C temperature range.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Output Voltage<\/td>\n6V (fixed)<\/td>\n<\/tr>\n
\u8f93\u51fa\u7535\u6d41<\/td>\n100 mA max<\/td>\n<\/tr>\n
\u8f93\u5165\u7535\u538b\u8303\u56f4<\/td>\n8V to 30V<\/td>\n<\/tr>\n
Dropout Voltage<\/td>\n1.7V typ<\/td>\n<\/tr>\n
\u9759\u6001\u7535\u6d41<\/td>\n5.5 mA typ, 6 mA max<\/td>\n<\/tr>\n
Line Regulation<\/td>\n150 mV max<\/td>\n<\/tr>\n
Load Regulation<\/td>\n60 mV max<\/td>\n<\/tr>\n
PSRR<\/td>\n46 dB @ 120 Hz<\/td>\n<\/tr>\n
Output Tolerance<\/td>\n+\/-4% (A grade)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nTO-92 (3-lead, through-hole)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Internal thermal shutdown and current limiting<\/li>\n
  • Short-circuit protection<\/li>\n
  • No external components required<\/li>\n
  • +\/-4% output voltage tolerance (A grade)<\/li>\n
  • Available in +\/-4% (A) or +\/-8% (C) selection<\/li>\n
  • Direct replacement for Zener diode\/resistor combinations<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Local on-card voltage regulation<\/li>\n
    • Sensor and transducer 6V supply<\/li>\n
    • Automotive auxiliary power rails<\/li>\n
    • Relay and solenoid driver supply<\/li>\n
    • DIY and prototyping power circuits<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The L78L06ABZ from STMicroelectronics is a three-terminal positive voltage regulator from the L78L series, providing a fixed 6V output at up to 100 mA in a through-hole TO-92 package. It features internal current limiting, thermal shutdown, and short-circuit protection, requiring no external components for operation. The A-grade version offers +\/-4% output voltage tolerance […]<\/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":[13,32],"tags":[],"chip_brand":[142],"class_list":["post-8464","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-st"],"acf":{"brief_explanation":"Fixed 6V 100mA positive linear regulator, TO-92, internal protection, +\/-4% tolerance","date_code":"","package_case":"TO-92-3 (4.95 x 3.94 x 4.95 mm)","in_stock":5657,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/l78l.pdf","price":"$0.13 @ 1ku","product_introduction":"The STMicroelectronics L78L06ABZ is a three-terminal positive voltage regulator from the L78L series providing a fixed 6V output at up to 100 mA in a compact TO-92 through-hole package. The device employs internal current limiting and thermal shutdown, making it essentially indestructible under normal operating conditions. It requires no external components for operation, offering a simpler and more reliable alternative to Zener diode\/resistor combinations with lower quiescent current and lower output noise. The A grade designation ensures +\/-4% output voltage tolerance over the full -40\u00b0C to +125\u00b0C operating temperature range.","working_principle":"The L78L06ABZ operates as a series-pass linear regulator using an internal NPN pass transistor controlled by a feedback loop. A resistive divider samples the output voltage and compares it against an internal bandgap reference. The error amplifier adjusts the pass transistor drive to maintain the output at the regulated 6V. The dropout voltage of 1.7V represents the minimum input-output differential required for regulation, meaning the input must be at least 7.7V to maintain a regulated 6V output. Internal current limiting protects the device from output short circuits by reducing the pass transistor drive when current exceeds approximately 100 mA. Thermal shutdown activates when the junction temperature exceeds the safe limit, disabling the output until the temperature drops below the hysteresis threshold.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>OUT<\/td>Regulated 6V Output<\/td><\/tr>
      2<\/td>GND<\/td>Ground (Common)<\/td><\/tr>
      3<\/td>IN<\/td>Unregulated Input Voltage (8-30V)<\/td><\/tr><\/table>","application_scenarios":"
      • Local Regulation<\/b>: On-card 6V supply for op-amps, comparators, and analog circuits near the load point eliminating distribution noise<\/li>
      • Sensor Supply<\/b>: Stable 6V reference supply for strain gauges and resistive transducers requiring tight voltage tolerance<\/li>
      • Automotive Auxiliary<\/b>: 12V to 6V regulation for relay coils, solenoid drivers, and instrument panel circuits in vehicle systems<\/li>
      • Industrial Control<\/b>: Simple 6V rail generation in PLC I\/O modules with thermal shutdown for harsh environment reliability<\/li>
      • Prototyping<\/b>: Through-hole TO-92 package ideal for breadboard and hobbyist circuits requiring a reliable 6V source<\/li><\/ul>","alternative_models":"
        Model<\/th>Brand<\/th>Vout (V)<\/th>Iout (mA)<\/th>Package<\/th><\/tr>
        L78L05ABZ<\/td>ST<\/td>5<\/td>100<\/td>TO-92<\/td><\/tr>
        L78L08ABZ<\/td>ST<\/td>8<\/td>100<\/td>TO-92<\/td><\/tr>
        MC78L06ABP<\/td>onsemi<\/td>6<\/td>100<\/td>TO-92<\/td><\/tr>
        LM78L06ACZ<\/td>TI<\/td>6<\/td>100<\/td>TO-92<\/td><\/tr>
        KA78L06AZTA<\/td>Richtek<\/td>6<\/td>100<\/td>TO-92<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=8464"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8464\/revisions"}],"predecessor-version":[{"id":8586,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8464\/revisions\/8586"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=8464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=8464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=8464"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=8464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}