{"id":568,"date":"2018-04-05T04:25:32","date_gmt":"2018-04-05T11:25:32","guid":{"rendered":"http:\/\/localhost\/kinetic\/?page_id=568"},"modified":"2026-06-23T15:45:01","modified_gmt":"2026-06-23T15:45:01","slug":"ktb851","status":"publish","type":"page","link":"https:\/\/pinakinnsoft.com\/kinetic\/ktb851\/","title":{"rendered":"KTB851"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"568\" class=\"elementor elementor-568\">\n\t\t\t\t<div class=\" elementor-element elementor-element-3d62420f e-flex e-con-boxed section-light e-con e-parent\" data-id=\"3d62420f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-39d6466a elementor-widget elementor-widget-text-editor\" data-id=\"39d6466a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"prod-button-list\">\n\t\t                <a class=\"downloadpdfico\" href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/KTB851-04d.pdf\">Datasheet<\/a>\n                        \n        <div style=\"clear: both;\"><\/div>\n    <\/div>\n    <div id=\"evk-list\" style=\"display: none;\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n        \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26c47d72 product-tab elementor-widget elementor-widget-crafto-tabs\" data-id=\"26c47d72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"crafto-tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"crafto-tabs tab-style-5\">\n\t\t\t\t<div class=\"crafto-container-wrap\">\t\t\t\t<ul class=\"nav nav-tabs alt-font\">\n\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-1cde123 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link active\" data-bs-toggle=\"tab\" href=\"#tab-6504113781\">\n\t\t\t\t\t\t\t\t\tDescription\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-94313d9 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-6504113782\">\n\t\t\t\t\t\t\t\t\tFeatures\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-a056022 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-6504113783\">\n\t\t\t\t\t\t\t\t\tApplications\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-69a0953 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-6504113784\">\n\t\t\t\t\t\t\t\t\tPackaging Information\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-8e6cdf7 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-6504113785\">\n\t\t\t\t\t\t\t\t\tParameters\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-2240fa1 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-6504113786\">\n\t\t\t\t\t\t\t\t\tTechnical Documentation\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li class=\"elementor-repeater-item-ca1f584 nav-item \">\n\t\t\t\t\t\t\t\t<a class=\"nav-link \" data-bs-toggle=\"tab\" href=\"#tab-6504113787\">\n\t\t\t\t\t\t\t\t\tPurchase\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\t\t\t<div class=\"tab-content\">\n\t\t\t\t\t\t\t\t\t\t<div id=\"tab-6504113781\" class=\"tab-pane fade in active show\">\n\t\t\t\t\t\t\t<p>The KTB851 is a high efficiency step down converter, using constant frequency PWM current mode control. It uses 1.6MHz high switching frequency which allows the use of small external components. The 2.7V to 5.5V input operating range is ideal for Li-Ion\/Polymer powered devices and systems running from regulated 3.3V or 5V voltage rails. 100% duty cycle operation provides the greatest design flexibility for achieving the lowest dropout.<\/p>\n<p>Low output voltage down to 0.6V can be achieved due to the KTB851\u2019s low internal voltage reference.<\/p>\n<p>The KTB851 is designed to maintain high efficiency throughout the operating range, which is critical for portable applications. In addition, the KTB851 has an option for output auto discharge feature. This enables the device to quickly discharge the output when the device is disabled.<\/p>\n<p>The KTB851 is available in RoHS and Green compliant, small 5-pin TSOT23, and 6-pin UDFN 1.6 x 1.6 x 0.55mm packages.<\/p>\n\t    <a href=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/KTB851_typ_app_dia_03.jpg\" class=\"gallery-image\" data-elementor-open-lightbox=\"yes\"\n   data-elementor-lightbox-slideshow=\"0\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/KTB851_typ_app_dia_03.jpg\" alt=\"\" \/>\n\t\t<\/a>\n\t\t    <a href=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/UDFN1.6x1.6-6_TSOT23-5_KTB851_3D.png\" class=\"gallery-image\" data-elementor-open-lightbox=\"yes\"\n   data-elementor-lightbox-slideshow=\"0\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/pinakinnsoft.com\/kinetic\/wp-content\/uploads\/2026\/06\/UDFN1.6x1.6-6_TSOT23-5_KTB851_3D.png\" alt=\"\" \/>\n\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-6504113782\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t<ul>\n<li>Vin Range: 2.7V to 5.5V<\/li>\n<li>Maximum Output Current 600mA<\/li>\n<li>High Efficiency Up to 98%<\/li>\n<li>Low Quiescent Current<\/li>\n<li>High Switching Frequency: 1.6MHz<\/li>\n<li>Low Dropout in 100% Duty Cycle<\/li>\n<li>Shutdown Current &lt; 1\u00b5A<\/li>\n<li>No Schottky Diode Required<\/li>\n<li>Output Auto Discharge when Disabled (Option)<\/li>\n<li>Integrated Soft-Start : 170\u00b5s<\/li>\n<li>Adjustable Output Voltage Down to 0.6V<\/li>\n<li>Short Circuit Protection<\/li>\n<li>Over-Temperature Protection<\/li>\n<li>Pb-Free Packages:\n<ul>\n<li>KTB851 : <span style=\"font-weight: 400\">UDFN-6, 1.6&#215;1.6&#215;0.55mm<\/span><\/li>\n<li><span style=\"font-weight: 400\">KTB851A\/<\/span>B : <span style=\"font-weight: 400\">TSOT23-5<\/span><\/li>\n<\/ul>\n<\/li>\n<li>RoHS and Green Compliant<\/li>\n<li>-40\u00b0C to +85\u00b0C Temperature Range<\/li>\n<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-6504113783\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t<ul>\n<li>Mobile Phones<\/li>\n<li>Portable Instruments<\/li>\n<li>Digital Still Cameras<\/li>\n<li>Microprocessor Power<\/li>\n<li>MP3 Players<\/li>\n<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-6504113784\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<table class=\"tbl-product__table\">\n                                <thead>\n\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t<td><strong>Package<\/strong><\/td>\n\t\t\t\t\t\t\t\t\t\t<td><strong>Dimensions<\/strong><\/td>\n\t\t\t\t\t\t\t\t\t\t<td><strong>Package Code<\/strong><\/td>\n\t\t\t\t\t\t\t\t\t<\/tr>\n                                 <\/thead>   \n                                 <tbody>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t<td>UDFN1.6x1.6-6<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<td>1.60mm x 1.60mm x 0.55mm<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<td>VD<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t<td>TSOT23-5<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<td>2.80mm x 2.90mm x 0.80mm<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<td>HC<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t                                    <\/tbody>\n\t\t\t\t\t\t\t\t<\/table>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-6504113785\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t<table class=\"tbl-product__table\">\n<thead>\n<tr>\n<td><strong>Vin(Min)<\/strong><\/td>\n<td><strong>Vin(Max)<\/strong><\/td>\n<td><strong>I<sub>MAX<\/sub> Current<\/strong><\/td>\n<td><strong>I<sub>Q<\/sub><\/strong><\/td>\n<td><strong>Interface<\/strong><\/td>\n<td><strong>Output Auto-Discharge<\/strong><\/td>\n<td><strong>Package<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2.7V<\/td>\n<td>5.5V<\/td>\n<td>600mA<\/td>\n<td>44\u00b5A<\/td>\n<td>EN<\/td>\n<td>Yes<\/td>\n<td>UDFN1.6&#215;1.6-6<br \/>\nTSOT23-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-6504113786\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<table class=\"tbl-product__table\">\n                                <thead>\n\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t<th>Description<\/th>\n\t\t\t\t\t\t\t\t<th>Documents<\/th>\n\t\t\t\t\t\t\t\t<th>Type<\/th>\n\t\t\t\t\t\t\t<\/tr>\n                            <\/thead>\n                            <tbody>\n\t\t\t\t\t\t\t<tr><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/KTB851-04d.pdf\" download>Datasheet<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/KTB851-04d.pdf\" download>KTB851-04d<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/KTB851-04d.pdf\" download>PDF<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/TSOT23-5_HC_POD.pdf\" download>Package Outline Drawing<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/TSOT23-5_HC_POD.pdf\" download>TSOT23-5 HC POD<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/TSOT23-5_HC_POD.pdf\" download>PDF<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/UDFN16x16-6_VD_POD.pdf\" download>Package Outline Drawing<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/UDFN16x16-6_VD_POD.pdf\" download>UDFN16x16-6 VD POD<\/a><\/td><td><a href=\"https:\/\/pinakinnsoft.com\/kinetic\/uploads\/web\/KTB851\/UDFN16x16-6_VD_POD.pdf\" download>PDF<\/a><\/td><\/tr>                            <\/tbody>\n\t\t\t\t\t\t<\/table>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div id=\"tab-6504113787\" class=\"tab-pane fade \">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<table class=\"tbl-product__table\">\n                    <thead>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<th>Purchase Options<\/th>\n\t\t\t\t\t\t<\/tr>\n                        <\/thead>\n                        <tbody>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td><a class=\"icon-digikey\" href=\"https:\/\/www.digikey.com\/en\/products\/filter\/power-management-pmic\/voltage-regulators-dc-dc-switching-regulators\/739?s=N4IgTCBcDaINIBUBCAOArARhAXQL5A\" target=\"_blank\">Buy from Digi-Key<\/a><\/td>\n\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t                        <\/tbody>\n\t\t\t\t\t<\/table>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Description Features Applications Packaging Information Parameters Technical Documentation Purchase The KTB851 is a high efficiency step down converter, using constant frequency PWM current mode control. It uses 1.6MHz high switching frequency which allows the use of small external components. The 2.7V to 5.5V input operating range is ideal for Li-Ion\/Polymer powered devices and systems running [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"give_campaign_id":0,"footnotes":""},"class_list":["post-568","page","type-page","status-publish","hentry"],"acf":[],"campaignId":"0","_links":{"self":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/comments?post=568"}],"version-history":[{"count":4,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/568\/revisions"}],"predecessor-version":[{"id":18487,"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/pages\/568\/revisions\/18487"}],"wp:attachment":[{"href":"https:\/\/pinakinnsoft.com\/kinetic\/wp-json\/wp\/v2\/media?parent=568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}