{"product_id":"dc-9v-12v-24v-36v-48v-72v-84v-120v-to-5v-3a-step-down-module-power-supply-dc-dc-converter-buck-converter-step-up-converte","title":"DC 9V 12V 24V 36V 48V 72V 84V 120V to 5V 3A Step Down Module Power Supply dc dc converter Buck Converter step up converte","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGREATZT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFor Arduino STM\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eelectronic module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e-40-+85\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDC 16V-90V\/9.0V-90V\/9.0V-120V\/16V-120V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ebuck (stepdown) regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv style=\"background-color:#FFFFFF;\" class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e1.Description:\u003c\/span\u003e\u003c\/span\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color:#FFFFFF;\" class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003eIt is a DC constant voltage constant current step down power supply module.It can be used as ordinary buck power supply module, charger and LED constant current driver.Simple and efficient, practical.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e2.Features:\u003c\/span\u003e\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv\u003e1\u0026gt;.High input voltage;\u003c\/div\u003e\n\u003cdiv\u003e2\u0026gt;.Stable voltage output;\u003c\/div\u003e\n\u003cdiv\u003e3\u0026gt;.Support over temperature protection;\u003c\/div\u003e\n\u003cdiv\u003e4\u0026gt;.Support overvoltage protection;\u003c\/div\u003e\n\u003cdiv\u003e5\u0026gt;.Support short circuit protection;\u003c\/div\u003e\n\u003cdiv\u003e6\u0026gt;.Low power consumption;\u003c\/div\u003e\n\u003cdiv\u003e7\u0026gt;.Support constant voltage constant current output;\u003c\/div\u003e\n\u003cdiv\u003e8\u0026gt;.Support charging function;\u003c\/div\u003e\n\u003cdiv\u003e9\u0026gt;.With heat sink and keep good heat dissipation.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e3.Parameters:\u003c\/span\u003e\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv\u003e1\u0026gt;.Product Name:DC Step Down Power Supply Module\u003c\/div\u003e\n\u003cdiv\u003e2\u0026gt;.Working Voltage:DC 16V-90V, DC16-120V, DC9-90V, DC9-120V(Keep input is at least 4.0V high than output)\u003c\/div\u003e\n\u003cdiv\u003e3\u0026gt;.Output Voltage:DC5V, 12V\u003c\/div\u003e\n\u003cdiv\u003e4\u0026gt;.Output Current:3A\u003c\/div\u003e\n\u003cdiv\u003e5\u0026gt;.Output Power:5V-15W, 12V-36W\u003c\/div\u003e\n\u003cdiv\u003e6\u0026gt;.Conversion efficiency:About 96%(The smaller the differential voltage, the higher the efficiency)\u003c\/div\u003e\n\u003cdiv\u003e7\u0026gt;.Working frequency:140KHz\u003c\/div\u003e\n\u003cdiv\u003e8\u0026gt;.Soft Starter:Yes(Failure at high power load)\u003c\/div\u003e\n\u003cdiv\u003e9\u0026gt;.Over temperature protection:Yes\u003c\/div\u003e\n\u003cdiv\u003e10\u0026gt;.Overvoltage protection:Yes\u003c\/div\u003e\n\u003cdiv\u003e11\u0026gt;.Short circuit protection:Yes\u003c\/div\u003e\n\u003cdiv\u003e12\u0026gt;.Working Temperature range:-40℃~85℃\u003c\/div\u003e\n\u003cdiv\u003e13\u0026gt;.Working Humidity range:0%-95%RH\u003c\/div\u003e\n\u003cdiv\u003e14\u0026gt;.Size:42*30*17mm\/42*30*20mm\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e4.Using Steps:\u003c\/span\u003e\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv\u003e1\u0026gt;.Connect right input voltage at input terminal.\u003c\/div\u003e\n\u003cdiv\u003e2\u0026gt;.Turn ON power supply.\u003c\/div\u003e\n\u003cdiv\u003e3\u0026gt;.Check output voltage by voltmeter and ammeter.\u003c\/div\u003e\n\u003cdiv\u003e4\u0026gt;.Connect load.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e5.Note:\u003c\/span\u003e\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv\u003e1\u0026gt;.It is a step down power supply module,So please keep input is at least 4.0V high than output.\u003c\/div\u003e\n\u003cdiv\u003e2\u0026gt;.Input and output are Non-isolated, safe and reliable.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e6.Application:\u003c\/span\u003e\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv\u003e1\u0026gt;.Ordinary power supply;\u003c\/div\u003e\n\u003cdiv\u003e2\u0026gt;.Battery charger;\u003c\/div\u003e\n\u003cdiv\u003e3\u0026gt;.LED drive power;\u003c\/div\u003e\n\u003cdiv\u003e4\u0026gt;.Power conversion.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg style=\"max-width:100%;box-sizing:border-box;\" src=\"http:\/\/ae01.alicdn.com\/kf\/H7bfe9148d1e646b2b2c81beae57ebc6f8.jpg\" slate-data-type=\"image\" data-src=\"http:\/\/ae01.alicdn.com\/kf\/H7bfe9148d1e646b2b2c81beae57ebc6f8.jpg\"\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg style=\"max-width:100%;box-sizing:border-box;\" src=\"http:\/\/ae01.alicdn.com\/kf\/H96163bb6502143b29acaead4e0d216fds.jpg\" slate-data-type=\"image\" data-src=\"http:\/\/ae01.alicdn.com\/kf\/H96163bb6502143b29acaead4e0d216fds.jpg\"\u003e 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src=\"http:\/\/ae01.alicdn.com\/kf\/Hc5364d06e1c144d4b186e0db20908a58w.jpg\" slate-data-type=\"image\" data-src=\"http:\/\/ae01.alicdn.com\/kf\/Hc5364d06e1c144d4b186e0db20908a58w.jpg\"\u003e \u003cimg style=\"max-width:100%;box-sizing:border-box;\" src=\"http:\/\/ae01.alicdn.com\/kf\/Hd0d2bd97b9ea464bb384daf45ce60ac9I.jpg\" slate-data-type=\"image\" data-src=\"http:\/\/ae01.alicdn.com\/kf\/Hd0d2bd97b9ea464bb384daf45ce60ac9I.jpg\"\u003e \u003cimg style=\"max-width:100%;box-sizing:border-box;\" src=\"http:\/\/ae01.alicdn.com\/kf\/Hb086b16185b4495182af9caba0edfd5br.jpg\" slate-data-type=\"image\" data-src=\"http:\/\/ae01.alicdn.com\/kf\/Hb086b16185b4495182af9caba0edfd5br.jpg\"\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/Hd06342750c284573a3d9e739cb2bbbb5c.jpg\" slate-data-type=\"image\" data-src=\"http:\/\/ae01.alicdn.com\/kf\/Hd06342750c284573a3d9e739cb2bbbb5c.jpg\"\u003e \u003cimg 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