{"product_id":"dd05ajsb-1a-2-5-5-5v-to-0-6-5v-adjustable-dc-dc-converter-buck-step-down-fp6161-module","title":"DD05AJSB 5x 1A 2.5-5.5V to 0.6-5V Adjustable DC DC Converter Buck Step-Down fp6161 Module","description":"\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg height=\"800\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1FKvIMVXXXXXeXXXXq6xXFXXXG\/221872405\/HTB1FKvIMVXXXXXeXXXXq6xXFXXXG.jpg\" width=\"800\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003especial offer!!!Original price $3, now sold only $1.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eBut this product has the following defects:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e1 10-30% rejection rate\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2 Difficult to adjust output less than 1.8V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003eDescription: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eIC : FP6161 \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eInput voltage DC 2.5~5.5V,Adjustable output 0.6~5.5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eLong time maximum output current 1A(5V to 3.3V)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eShort time maximum output current 1.2A(5V to 3.3V)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eLow Quiescent current: about 100uA\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eDC-DC Step-Down Converter module working frequency 1.5MHz. efficiency is 75-93% .\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eSize 16.7mm x 10.1mm x 5.5mm(\u003c\/span\u003e\u003cspan\u003eVery small\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eWeight : about 1g(\u003c\/span\u003e\u003cspan\u003eVery light\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eLDO Mode\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe DD05AJSB’s maximum duty cycle can reach 100%.That means the driver’s main switch is\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eturn on through out whole clock cycle. Once the duty reaches 100%, the feedback path no longer\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003econtrols the output voltage. The output voltage will be the input voltage minus the main switch\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003evoltage drop.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eOver Current Protection\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eDD05AJSB limits the peak main switch current cycle by cycle. When over current occurs, chip will\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eturn off the main switch and turn the synchronous switch on until next cycle.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eShort Circuit Protection\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eWhen the FB pin drops below 300mV, the chip will tri-state the output pin SW automatically. After\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e300us rest to avoid over heating, chip will re-initiate PWM operation with soft start.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThermal Protection\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eDD05AJSB will shutdown automatically when the internal junction temperature reaches 150\u003c\/span\u003e\u003cspan\u003eDegrees Celsius\u003c\/span\u003e\u003cspan\u003e to\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eprotect both the part and the system.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan\u003eAttention :\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eThis is a DC-DC voltage converter module,Must be noted when using:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1 Input voltage can not be greater than the maximum input range\u003cbr\u003e2 Output power can not be greater than the maximum load for a long time\u003cbr\u003e3 Input power must be greater than the output power, because the power consumption of the module itself\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"800\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1FKvIMVXXXXXeXXXXq6xXFXXXG\/221872405\/HTB1FKvIMVXXXXXeXXXXq6xXFXXXG.jpg\" width=\"800\"\u003e\u003cimg height=\"900\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1xdYAMVXXXXcIXXXXq6xXFXXXx\/221872405\/HTB1xdYAMVXXXXcIXXXXq6xXFXXXx.jpg\" width=\"900\"\u003e\u003cimg height=\"900\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1tZ2pMVXXXXcOXFXXq6xXFXXXg\/221872405\/HTB1tZ2pMVXXXXcOXFXXq6xXFXXXg.jpg\" width=\"900\"\u003e\u003cimg height=\"800\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1gMrIMVXXXXXsXXXXq6xXFXXXZ\/221872405\/HTB1gMrIMVXXXXXsXXXXq6xXFXXXZ.jpg\" width=\"800\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Eletechsup Original Factory Official‌ Store ","offers":[{"title":"Default Title","offer_id":46537063465117,"sku":"DD05AJSB","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/10_3ae937e6-bf35-4295-b92a-7970153161f7.jpg?v=1740749095","url":"https:\/\/eletechsup.com\/es\/products\/dd05ajsb-1a-2-5-5-5v-to-0-6-5v-adjustable-dc-dc-converter-buck-step-down-fp6161-module","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}