{"id":11666,"date":"2026-07-26T14:03:21","date_gmt":"2026-07-26T14:03:21","guid":{"rendered":"https:\/\/ic-vendor.com\/adp124arhz-3-3-r7\/"},"modified":"2026-07-26T14:03:21","modified_gmt":"2026-07-26T14:03:21","slug":"adp124arhz-3-3-r7","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/adp124arhz-3-3-r7\/","title":{"rendered":"ADP124ARHZ-3.3-R7"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The ADP124ARHZ-3.3-R7 from Analog Devices is a 3.3V fixed-output LDO regulator delivering 500 mA with only 280 mV dropout and 25 \u00b5A quiescent current. The 70 dB PSRR makes it ideal for noise-sensitive RF and analog power rails in portable and battery-powered systems.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<table>\n<tr>\n<td>\u0627\u0644\u0648\u0638\u064a\u0641\u0629<\/td>\n<td>3.3V fixed, 500mA LDO<\/td>\n<\/tr>\n<tr>\n<td>\u062c\u0647\u062f \u0627\u0644\u062e\u0631\u062c<\/td>\n<td>3.3V fixed<\/td>\n<\/tr>\n<tr>\n<td>\u062a\u064a\u0627\u0631 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\n<td>500 mA<\/td>\n<\/tr>\n<tr>\n<td>\u062c\u0647\u062f \u0627\u0644\u062a\u0633\u0631\u0628<\/td>\n<td>280 mV at 500 mA<\/td>\n<\/tr>\n<tr>\n<td>PSRRR<\/td>\n<td>70 dB at 1 kHz<\/td>\n<\/tr>\n<tr>\n<td>\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0647\u062f\u0626\u0629<\/td>\n<td>25 \u00b5A<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n<td>MSOP-8 (3x3mm)<\/td>\n<\/tr>\n<\/table>\n<h2>\u0645\u0628\u062f\u0623 \u0627\u0644\u0639\u0645\u0644<\/h2>\n<p>PMOS pass transistor provides low dropout. Internal bandgap reference (1.2V) is divided to set 3.3V output. Error amplifier drives pass gate to maintain regulation under load and line transients. Current limit (800 mA typ) and thermal shutdown protect the device. Ultra-low 25 \u00b5A IQ maximizes battery life.<\/p>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>RF transceiver LNA\/PA power<\/li>\n<li>Portable instrument analog rail<\/li>\n<li>Battery-powered MCU supply<\/li>\n<li>Post-regulation from DC-DC<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The ADP124ARHZ-3.3-R7 from Analog Devices is a 3.3V fixed-output LDO regulator delivering 500 mA with only 280 mV dropout and 25 \u00b5A quiescent current. The 70 dB PSRR makes it ideal for noise-sensitive RF and analog power rails in portable and battery-powered systems. Key Specifications Function 3.3V fixed, 500mA LDO Output Voltage 3.3V [&hellip;]<\/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],"tags":[2945],"chip_brand":[165],"class_list":["post-11666","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","tag-adp124arhz-3-3-r7","chip_brand-adi"],"acf":{"brief_explanation":"3.3V fixed LDO, 500mA, 280mV Vdo, 25\u00b5A IQ, MSOP-8","date_code":"","package_case":"MSOP-8","in_stock":10228,"datasheet":"https:\/\/www.analog.com\/en\/products\/adp124.html","price":"","product_introduction":"The ADP124ARHZ-3.3-R7 from Analog Devices is a 3.3V fixed-output LDO regulator delivering 500 mA with only 280 mV dropout and 25 \u00b5A quiescent current. The 70 dB PSRR makes it ideal for noise-sensitive RF and analog power rails in portable and battery-powered systems.","working_principle":"PMOS pass transistor provides low dropout. Internal bandgap reference (1.2V) is divided to set 3.3V output. Error amplifier drives pass gate to maintain regulation under load and line transients. Current limit (800 mA typ) and thermal shutdown protect the device. Ultra-low 25 \u00b5A IQ maximizes battery life.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Description<\/th><\/tr><tr><td>1<\/td><td>EN<\/td><td>Enable<\/td><\/tr><tr><td>2<\/td><td>VIN<\/td><td>Input<\/td><\/tr><tr><td>3<\/td><td>GND<\/td><td>Ground (exposed pad)<\/td><\/tr><tr><td>4<\/td><td>VOUT<\/td><td>3.3V output<\/td><\/tr><tr><td>5<\/td><td>NC<\/td><td>No connect<\/td><\/tr><\/table>","application_scenarios":"<ul><li>RF transceiver LNA\/PA power<\/li><li>Portable instrument analog rail<\/li><li>Battery-powered MCU supply<\/li><li>Post-regulation from DC-DC<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Key Difference<\/th><\/tr><tr><td>TPS73633<\/td><td>TI<\/td><td>Similar LDO<\/td><\/tr><tr><td>LP2985-3.3<\/td><td>TI<\/td><td>Lower cost<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11666","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=11666"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11666\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=11666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=11666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=11666"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=11666"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}