{"id":4211,"date":"2017-07-06T09:20:49","date_gmt":"2017-07-06T09:20:49","guid":{"rendered":"http:\/\/blog.uk.tdk-lambda.com\/uk\/?p=4211"},"modified":"2017-06-27T14:24:13","modified_gmt":"2017-06-27T14:24:13","slug":"harsh-environment-dc-dc-converter-series-extended-with-additional-voltages-and-power-levels","status":"publish","type":"post","link":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2017\/07\/06\/harsh-environment-dc-dc-converter-series-extended-with-additional-voltages-and-power-levels\/","title":{"rendered":"Harsh environment DC-DC converter series extended with additional voltages and power levels"},"content":{"rendered":"<p>TDK Corporation announces the introduction of additional models to the <a href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/hqa\" target=\"_blank\">HQA series of harsh environment DC-DC converters<\/a>.  The series now includes both 85W and 120W ratings with output voltages of 5V, 12V, 15V, 24V, 28V and 48V. The input voltage is 9V to 40V for the 5 to 28V units and 18V to 40V for the 48V unit.  All models can withstand a 50V surge for 1 second.  With efficiencies of up to 92%, the HQA series is highly suited for use in COTS, communications and industrial equipment.<\/p>\n<p><a href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/hqa\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.uk.tdk-lambda.com\/uk\/files\/2017\/06\/LA009476-HQA-DC-DC-converter-300x214.jpg\" alt=\"LA009476 - HQA DC-DC converter\" width=\"300\" height=\"214\" class=\"aligncenter size-medium wp-image-4212\" srcset=\"https:\/\/tdklambdablog.wpenginepowered.com\/uk\/files\/2017\/06\/LA009476-HQA-DC-DC-converter-300x214.jpg 300w, https:\/\/tdklambdablog.wpenginepowered.com\/uk\/files\/2017\/06\/LA009476-HQA-DC-DC-converter-1024x731.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>The HQA series has been qualified using methods consistent with MIL-STD-883, and offers two screening and operating temperature options.  The HQA120 M-Grade has functional testing in cold, hot and room ambient temperatures, and an extended 96 hour burn-in with ten-cycle temperature testing.  The S-Grade (HQA85 and HQA120) has functional testing in hot and room ambient temperatures and the standard burn-in period.  The full load operating temperature for the M-Grade is -55 to +115\u00b0C, and -40 to +115\u00b0C for the S-Grade.<\/p>\n<p><!--more--><\/p>\n<p>A constant switching frequency enables easier EMC system compliance and, without the use of optocouplers in the control loops, high temperature long-term reliability is increased. All models feature auto-recovery protection for both input under voltage and output overload. The outputs can be adjusted using the trim function by +\/-10%, and turned on or off remotely.<\/p>\n<p>Two baseplate mounting versions are available.  The flanged format measures 60.6mm x 55.9 mm x 12.7 mm, with the non-flanged following the standard quarter brick format and measuring 60.6mm x 39 mm x 12.7 mm.<\/p>\n<p>Safety certification includes IEC\/EN 60950-1, UL\/CSA 60950-1 with CE marking for the Low Voltage and RoHS2 Directives.  Input to output and input to baseplate isolation is 2250Vdc.<\/p>\n<p>For more information about the full range of TDK-Lambda HQA series of DC-DC converters, please call TDK-Lambda directly on +44 (0)1271 856600 or visit the TDK-Lambda website at: <a href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/hqa\" target=\"_blank\">www.emea.lambda.tdk.com\/uk\/hqa<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TDK Corporation announces the introduction of additional models to the HQA series of harsh environment DC-DC converters. The series now includes both 85W and 120W ratings with output voltages of 5V, 12V, 15V, 24V, 28V and 48V. The input voltage is 9V to 40V for the 5 to 28V units and 18V to 40V for [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17],"tags":[],"class_list":["post-4211","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Harsh environment DC-DC converter series extended with additional voltages and power levels &#171; TDK-Lambda UK Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2017\/07\/06\/harsh-environment-dc-dc-converter-series-extended-with-additional-voltages-and-power-levels\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Harsh environment DC-DC converter series extended with additional voltages and power levels &#171; TDK-Lambda UK Blog\" \/>\n<meta property=\"og:description\" content=\"TDK Corporation announces the introduction of additional models to the HQA series of harsh environment DC-DC converters. 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