{"id":7567,"date":"2026-06-26T04:39:59","date_gmt":"2026-06-26T04:39:59","guid":{"rendered":"https:\/\/materialparts.com\/dmp3099l-7\/"},"modified":"2026-06-26T04:39:59","modified_gmt":"2026-06-26T04:39:59","slug":"dmp3099l-7","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/dmp3099l-7\/","title":{"rendered":"DMP3099L-7"},"content":{"rendered":"

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

The DMP3099L-7 from Diodes Incorporated is a P-channel enhancement mode MOSFET with 30V VDS, 3.8A ID, and 65mOhm RDS(ON) in SOT-23-3 package, designed for high-efficiency power management applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Channel Type<\/td>\nP-Channel Enhancement<\/td>\n<\/tr>\n
Drain-Source Voltage (VDSS)<\/td>\n-30 V<\/td>\n<\/tr>\n
Continuous Drain Current (ID)<\/td>\n-3.8 A @ TA=25C<\/td>\n<\/tr>\n
Pulsed Drain Current (IDM)<\/td>\n-11 A<\/td>\n<\/tr>\n
RDS(ON) @ VGS=-10V<\/td>\n65 mOhm max<\/td>\n<\/tr>\n
RDS(ON) @ VGS=-4.5V<\/td>\n99 mOhm max<\/td>\n<\/tr>\n
Gate-Source Threshold (VGS(th))<\/td>\n-0.9V min \/ -1.2V typ \/ -2.1V max<\/td>\n<\/tr>\n
Gate Charge (Qg)<\/td>\n11 nC @ VGS=-10V<\/td>\n<\/tr>\n
Input Capacitance (Ciss)<\/td>\n563 pF @ VDS=-25V<\/td>\n<\/tr>\n
\u529f\u7387\u8017\u6563 (PD)<\/td>\n1.08 W @ TA=25C<\/td>\n<\/tr>\n
AEC-Q101<\/td>\nQualified<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOT-23-3<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-55 to +150 C (TJ)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Logic-level gate drive compatible with 3.3V\/5V microcontrollers<\/li>\n
  • 65mOhm low on-resistance for high-efficiency switching<\/li>\n
  • AEC-Q101 qualified for automotive applications<\/li>\n
  • Low gate threshold voltage for direct MCU control<\/li>\n
  • Compact SOT-23-3 package for space-constrained designs<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Load switch and power management in portable devices<\/li>\n
    • Battery charging and discharge control<\/li>\n
    • DC-DC converter high-side P-channel switch<\/li>\n
    • LED backlight driving and dimming control<\/li>\n
    • Motor driver and H-bridge complementary switch<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The DMP3099L-7 from Diodes Incorporated is a P-channel enhancement mode MOSFET with 30V VDS, 3.8A ID, and 65mOhm RDS(ON) in SOT-23-3 package, designed for high-efficiency power management applications. Key Specifications Channel Type P-Channel Enhancement Drain-Source Voltage (VDSS) -30 V Continuous Drain Current (ID) -3.8 A @ TA=25C Pulsed Drain Current (IDM) -11 A […]<\/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":[13,56],"tags":[],"chip_brand":[182],"class_list":["post-7567","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-mosfets","chip_brand-onsemi"],"acf":{"brief_explanation":"P-ch MOSFET, 30V, 3.8A, 65mOhm, SOT-23-3, AEC-Q101","date_code":"","package_case":"SOT-23-3 (2.9 x 1.3 x 1.0 mm)","in_stock":54000,"datasheet":"https:\/\/www.diodes.com\/assets\/Datasheets\/DMP3099L.pdf","price":"$0.064 @ 3ku","product_introduction":"The DMP3099L-7 from Diodes Incorporated is a P-channel enhancement mode power MOSFET in SOT-23-3 package. The device features 30V drain-source voltage, 3.8A continuous drain current, and 65mOhm maximum on-resistance at VGS=-10V. The logic-level gate threshold (-1.2V typical) enables direct drive from 3.3V and 5V microcontrollers without additional gate driver circuitry. AEC-Q101 qualification ensures automotive-grade reliability. The -7 suffix denotes tape and reel packaging with 3000 units per reel.","working_principle":"The DMP3099L-7 operates as a P-channel enhancement mode MOSFET. (1) In a P-channel MOSFET, current flows from source to drain when the gate-source voltage is negative (VGS < VGS(th)). The source is connected to the higher voltage rail (e.g., VCC), and the gate is pulled low relative to the source to turn on the MOSFET. When VGS exceeds the threshold voltage (typically -1.2V), the channel forms and current conducts. (2) The low on-resistance of 65mOhm at VGS=-10V minimizes conduction losses (P = I2 x RDS(ON)) during switching operation. At logic-level drive of VGS=-4.5V, RDS(ON) increases to 99mOhm max, still acceptable for moderate current applications. (3) As a high-side switch, the P-channel MOSFET eliminates the need for a gate driver or boost circuitry required by N-channel high-side configurations. The source connects directly to the supply rail, and pulling the gate to ground turns on the switch. This simplification reduces component count and PCB area, making the DMP3099L-7 ideal for load switching in battery-powered and portable applications.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>G<\/td>Gate (control input)<\/td><\/tr>
      2<\/td>S<\/td>Source (high-side connection)<\/td><\/tr>
      3<\/td>D<\/td>Drain (load connection)<\/td><\/tr><\/table>","application_scenarios":"
      • Load switch and power management in portable devices with 3.3V MCU control<\/li>
      • Battery charging and discharge path control with low RDS(ON)<\/li>
      • DC-DC converter high-side P-channel switch for buck\/boost topology<\/li>
      • LED backlight driving and dimming control with PWM<\/li>
      • Motor driver H-bridge complementary switch with AEC-Q101 qualification<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        IRLML6402TRPBF<\/td>Infineon<\/td>20V, 3.7A, SOT-23<\/td><\/tr>
        SI2301DS-T1<\/td>Vishay<\/td>20V, 2.2A, SOT-23<\/td><\/tr>
        AO3401A<\/td>Alpha & Omega<\/td>30V, 4A, SOT-23<\/td><\/tr>
        DMP3099LSE-7<\/td>Diodes Inc<\/td>Same, lead-free, SC-89<\/td><\/tr>
        NTR4101PT1G<\/td>onsemi<\/td>20V, 2.5A, SOT-23<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7567","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=7567"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7567\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=7567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=7567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=7567"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=7567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}