{"id":6744,"date":"2026-06-21T10:13:13","date_gmt":"2026-06-21T10:13:13","guid":{"rendered":"https:\/\/materialparts.com\/ltc3414efepbf\/"},"modified":"2026-06-21T10:13:13","modified_gmt":"2026-06-21T10:13:13","slug":"ltc3414efepbf","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ltc3414efepbf\/","title":{"rendered":"LTC3414EFE#PBF"},"content":{"rendered":"

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

The LTC3414EFE#PBF from Analog Devices is a 4 A, 4 MHz monolithic synchronous step-down regulator with 67 mOhm internal switch. It operates from 2.25 V to 5.5 V input, delivers up to 4 A output current with adjustable output from 0.8 V to 5 V, and achieves up to 95% efficiency. The device features selectable Burst Mode or forced continuous operation in a 20-lead TSSOP package with exposed pad.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u62d3\u6251\u7ed3\u6784<\/td>\nMonolithic Synchronous Buck<\/td>\n<\/tr>\n
\u8f93\u5165\u7535\u538b<\/td>\n2.25 V to 5.5 V<\/td>\n<\/tr>\n
Output Voltage<\/td>\n0.8 V to 5 V (Adjustable)<\/td>\n<\/tr>\n
\u8f93\u51fa\u7535\u6d41<\/td>\n4 A<\/td>\n<\/tr>\n
\u5f00\u5173\u9891\u7387<\/td>\n300 kHz to 4 MHz (Programmable)<\/td>\n<\/tr>\n
Internal Switch RDS(on)<\/td>\n67 mOhm (top + bottom)<\/td>\n<\/tr>\n
Efficiency<\/td>\nUp to 95%<\/td>\n<\/tr>\n
\u9759\u6001\u7535\u6d41<\/td>\n64 \u00b5A<\/td>\n<\/tr>\n
Reference Voltage<\/td>\n0.8 V (\u00b12%)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nTSSOP-20 EP (6.6 x 4.5 mm)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to 85\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 4 A output current with internal 67 mOhm synchronous switch<\/li>\n
  • Programmable frequency: 300 kHz to 4 MHz<\/li>\n
  • Selectable Burst Mode or forced continuous operation<\/li>\n
  • Adjustable burst clamp for output ripple control<\/li>\n
  • Synchronizable switching frequency<\/li>\n
  • 100% duty cycle for low dropout operation<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Point-of-load regulation in distributed power systems<\/li>\n
    • Notebook computer power supplies<\/li>\n
    • Portable instruments and battery-powered devices<\/li>\n
    • FPGA and processor core voltage regulation<\/li>\n
    • Telecom and networking equipment<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LTC3414EFE#PBF from Analog Devices is a 4 A, 4 MHz monolithic synchronous step-down regulator with 67 mOhm internal switch. It operates from 2.25 V to 5.5 V input, delivers up to 4 A output current with adjustable output from 0.8 V to 5 V, and achieves up to 95% efficiency. The device […]<\/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":[31,13],"tags":[],"chip_brand":[165],"class_list":["post-6744","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-adi"],"acf":{"brief_explanation":"4A 4MHz Monolithic Synchronous Buck Regulator, 2.25-5.5V in, 95% Eff, TSSOP-20","date_code":"","package_case":"TSSOP-20 EP (6.6 x 4.5 x 1.05 mm, exposed pad)","in_stock":5312,"datasheet":"https:\/\/www.analog.com\/media\/en\/technical-documentation\/data-sheets\/3414fb.pdf","price":"$6.42 @ 1ku","product_introduction":"The LTC3414EFE#PBF from Analog Devices is a high-efficiency monolithic synchronous step-down DC\/DC converter utilizing a constant-frequency current-mode architecture. It operates from 2.25 V to 5.5 V input and provides a regulated output from 0.8 V to 5 V at up to 4 A. The internal 67 mOhm synchronous power switch eliminates the need for an external Schottky diode, increasing efficiency. Switching frequency is programmable from 300 kHz to 4 MHz via an external resistor and can be synchronized to an external clock. The device supports Burst Mode operation with adjustable burst clamp for high efficiency at light loads, or forced continuous operation for reduced noise. OPTI-LOOP compensation optimizes transient response across a wide range of loads and output capacitors.","working_principle":"The LTC3414EFE#PBF uses a constant-frequency current-mode control architecture. An internal oscillator sets the switching frequency (300 kHz to 4 MHz) based on the external RT resistor. The top and bottom internal MOSFET switches (67 mOhm combined) alternate to step down the input voltage. Current-mode control simplifies loop compensation and provides inherent current limiting. In Burst Mode, the device delivers energy in controlled bursts and enters sleep mode between bursts, reducing gate charge losses at light loads. The burst clamp level is set via the SYNC\/MODE pin voltage, allowing the user to trade off between output ripple and efficiency. In forced continuous mode, the device switches continuously regardless of load, reducing output ripple and noise. The 100% duty cycle mode enables low dropout operation by keeping the top switch on continuously.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>RUN<\/td>Input<\/td>Enable \/ run control<\/td><\/tr>
      2<\/td>ITH<\/td>I\/O<\/td>Error amplifier compensation<\/td><\/tr>
      3<\/td>VFB<\/td>Input<\/td>Feedback voltage (0.8V reference)<\/td><\/tr>
      4<\/td>SGND<\/td>Ground<\/td>Signal ground<\/td><\/tr>
      5-6<\/td>SW<\/td>Output<\/td>Switch node<\/td><\/tr>
      7-8<\/td>PGND<\/td>Ground<\/td>Power ground<\/td><\/tr>
      9<\/td>PGOOD<\/td>Output<\/td>Power good indicator<\/td><\/tr>
      10<\/td>BST<\/td>Power<\/td>Bootstrap for top switch<\/td><\/tr>
      11-12<\/td>SVIN<\/td>Power<\/td>Signal input supply<\/td><\/tr>
      13<\/td>PVIN<\/td>Power<\/td>Power input supply<\/td><\/tr>
      14<\/td>SVIN<\/td>Power<\/td>Signal input supply<\/td><\/tr>
      15<\/td>RT<\/td>Input<\/td>Frequency set resistor<\/td><\/tr>
      16<\/td>SYNC\/MODE<\/td>I\/O<\/td>External sync \/ mode control<\/td><\/tr>
      17<\/td>TR\/SS<\/td>I\/O<\/td>Soft-start \/ tracking<\/td><\/tr>
      18<\/td>SGND<\/td>Ground<\/td>Signal ground<\/td><\/tr>
      19-20<\/td>NC<\/td>-<\/td>No connect<\/td><\/tr><\/table>","application_scenarios":"
      • Point-of-load DC-DC conversion in distributed power systems<\/li>
      • Notebook and laptop computer core and I\/O voltage regulation<\/li>
      • Portable instruments with battery operation<\/li>
      • FPGA and DSP core voltage supplies (1.2V, 1.8V, 2.5V)<\/li>
      • Networking and telecom equipment POL converters<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Analog Devices<\/td>LTC3414IFE#PBF<\/td>TSSOP-20 EP<\/td>-40\u00b0C to 125\u00b0C I-grade<\/td><\/tr>
        Analog Devices<\/td>LTC3412EFE#PBF<\/td>TSSOP-20 EP<\/td>2.5A version, same family<\/td><\/tr>
        Texas Instruments<\/td>TPS62150RGTR<\/td>QFN-16<\/td>3A, 4MHz, 3-17V input<\/td><\/tr>
        Monolithic Power<\/td>MP8860DN-LF-Z<\/td>QFN-22<\/td>8A, 4MHz, synchronous buck<\/td><\/tr>
        Richtek<\/td>RT8012AGQW<\/td>WQFN-20<\/td>4A, 1.5MHz, synchronous buck<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6744","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=6744"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6744\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6744"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}