{"id":6786,"date":"2026-06-21T10:48:16","date_gmt":"2026-06-21T10:48:16","guid":{"rendered":"https:\/\/materialparts.com\/ax5302sa\/"},"modified":"2026-06-21T10:48:16","modified_gmt":"2026-06-21T10:48:16","slug":"ax5302sa","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ax5302sa\/","title":{"rendered":"AX5302SA"},"content":{"rendered":"

Productos<\/h2>\n

The AX5302SA from Axelite is a step-up DC-DC converter with 1.5 A switch current, 0.8 V to 5.5 V input, and 500 kHz fixed switching frequency in an SOT-23-6 package for boost and SEPIC applications.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n
Tipo<\/td>\nStep-Up DC-DC Converter<\/td>\n<\/tr>\n
Input Voltage<\/td>\n0.8 V to 5.5 V<\/td>\n<\/tr>\n
Switch Current Limit<\/td>\n1.5 A<\/td>\n<\/tr>\n
Switching Frequency<\/td>\n500 kHz<\/td>\n<\/tr>\n
Reference Voltage<\/td>\n0.6 V (2%)<\/td>\n<\/tr>\n
Switch RDS(on)<\/td>\n150 mOhm (typical)<\/td>\n<\/tr>\n
Paquete<\/td>\nSOT-23-6<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40C to 85C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Low 0.8 V minimum input voltage<\/li>\n
  • 1.5 A internal switch current limit<\/li>\n
  • 500 kHz fixed frequency operation<\/li>\n
  • Internal compensation and soft start<\/li>\n
  • PWM\/PFM mode for high light-load efficiency<\/li>\n
  • SOT-23-6 compact package<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Single-cell to 3.3V\/5V boost conversion<\/li>\n
    • OLED display bias supply<\/li>\n
    • White LED backlight driver<\/li>\n
    • USB power bank boost stage<\/li>\n
    • Battery-powered portable equipment<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AX5302SA from Axelite is a step-up DC-DC converter with 1.5 A switch current, 0.8 V to 5.5 V input, and 500 kHz fixed switching frequency in an SOT-23-6 package for boost and SEPIC applications. Key Specifications Type Step-Up DC-DC Converter Input Voltage 0.8 V to 5.5 V Switch Current Limit 1.5 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":[31,13],"tags":[],"chip_brand":[301],"class_list":["post-6786","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-axelite"],"acf":{"brief_explanation":"Boost DC-DC, 0.8-5.5V, 1.5A Switch, 500kHz, SOT-23-6","date_code":"","package_case":"SOT-23-6 (2.9 x 1.6 x 1.0 mm)","in_stock":5634,"datasheet":"https:\/\/www.axelite.com\/AX5302-DS-PB03.pdf","price":"$0.22 @ 1ku","product_introduction":"The AX5302SA from Axelite is a step-up DC-DC converter with a 1.5 A internal N-channel MOSFET switch, operating from an input voltage as low as 0.8 V. The 500 kHz fixed switching frequency and internal compensation minimize external component count. The 0.6 V feedback reference voltage allows setting output voltages using a simple resistor divider. The device supports PWM\/PFM mode switching for high efficiency across the entire load range. The SOT-23-6 package provides a compact solution for space-constrained portable and battery-powered applications including single-cell alkaline\/NiMH to 3.3V or 5V boost conversion.","working_principle":"The AX5302SA uses a current-mode control boost converter topology. The internal N-channel MOSFET switch connects the inductor to ground during the on-time, causing inductor current to ramp up linearly. When the peak current reaches the level set by the error amplifier (or the 1.5 A current limit), the switch turns off and the inductor current flows through the external Schottky diode to the output capacitor and load. The error amplifier compares the feedback voltage (from the external resistor divider) with the 0.6 V internal reference and adjusts the peak current threshold to regulate the output voltage. At light loads, the device enters PFM mode where switching pulses are spaced apart to reduce switching losses. The internal soft start limits inrush current during startup. The low 0.8 V minimum input voltage allows operation from a single discharged alkaline cell.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>SW<\/td>Output<\/td>Switch output (connect to inductor)<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td>Ground<\/td><\/tr>
      3<\/td>FB<\/td>Input<\/td>Feedback voltage (0.6V reference)<\/td><\/tr>
      4<\/td>EN<\/td>Input<\/td>Enable (high=on, low=shutdown)<\/td><\/tr>
      5<\/td>VIN<\/td>Power<\/td>Input supply (0.8-5.5V)<\/td><\/tr>
      6<\/td>SW<\/td>Output<\/td>Switch output (connect to inductor)<\/td><\/tr><\/table>","application_scenarios":"
      • Single AA\/AAA alkaline cell boost to 3.3V or 5V<\/li>
      • OLED display positive bias voltage generation<\/li>
      • White LED string backlight driver for small displays<\/li>
      • USB power bank single-cell Li-ion boost to 5V<\/li>
      • Portable instrument battery voltage step-up regulation<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Texas Instruments<\/td>TPS61021ADSGR<\/td>WSON-6<\/td>1A boost, 0.7-5.5V input<\/td><\/tr>
        Monolithic Power<\/td>MP3414GG-Z<\/td>TSOT23-6<\/td>1.5A boost, 2.5-5.5V<\/td><\/tr>
        Richtek<\/td>RT9271BGQW<\/td>WQFN-10<\/td>2A boost, 2.5-5.5V<\/td><\/tr>
        Diodes Inc<\/td>AP3012KTR-G1<\/td>SOT-23-6<\/td>Boost, 1.5A, 500kHz<\/td><\/tr>
        Silergy<\/td>SY7065ABC<\/td>SOT-23-6<\/td>2A boost, 2.5-5.5V<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=6786"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6786\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=6786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=6786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=6786"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=6786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}