1/2 features system all solid state components no electrolytic capacitor required compact size to minimize mechanical cost driver-on-board and chip-on-board available which minimize process fow and assembly cost high pf and low thd performance high efficiency achieved flexible pcb layout style wide range of led forward voltage selection distributed heat to several chips triac dimmable chip 88v input sustaining voltage < 3v dropout voltage for up to 150ma regulating current applications led lighting applications downlight high bay specialty architectural description the xr46084 is a three terminal current controller (ttcc) for regulating the current fowing through an led string. the application of the xr46084 is confgured in parallel with an led string. the xr46084 can work as voltage controlled current source, current regulator, or cut-off. it is suitable for the applications adopting periodical ac voltage source. the layout is very fexible allowing for pcb designs in any conceivable shape. whether high bay, downlights, or unique architectural shapes the xr46084 can provide an excellent led lighting solution. typical application + ? 120v ac bd r5 leds1 leds2 leds3 cs nc a u1 xr46084-adj ms1 ms2 k u2 xr46084-adj cs nc a ms1 ms2 k u3 xr46084-adj cs nc a ms1 ms2 k zd q1 xr46000 r4 i led u0 xr46084-adj cs nc a ms1 ms2 k r3 r2 r1 r0 figure 1. typical application figure 2. typical performance etiie c t t three terminal current controller xr 46084 product brief
www.exar.com 2/2 tel.: +1 (510) 668-7000 fax: +1 (510) 668-7001 email: led techsupport@exar.com ordering information (1) part number regulating current (ma) operating temperature range lead-free package packag method xr46084ehtr-c1 (3) 40 -40c t j 150c yes (2)) tdfn6 2x2 reel xr46084ehtr-c2 (3) 66 xr46084ehtr-c3 (3) 52 xr46084ehtr-d1 (3) 80 xr46084ehtr-d2 (3) 130 xr46084ehtr-d3 (3) 104 xr46084ehtr-adj determined by external resistor only xr46084esftr-c1 (3) 40 -40c t j 150c yes (2) sot-89-5 reel xr46084esftr-c2 (3) 66 xr46084esftr-c3 (3) 52 xr46084esftr-d1 (3) 80 xr46084esftr-d2 (3) 130 xr46084esftr-d3 (3) 104 XR46084ESFTR-ADJ determined by external resistor only xr46084ecf-c1 (3) 40 -40c t j 150c yes (2) dice wafer xr46084ecf-c2 (3) 66 xr46084ecf-c3 (3) 52 xr46084ecf-d1 (3) 80 xr46084ecf-d2 (3) 130 xr46084ecf-d3 (3) 104 xr46084ecf-adj determined by external resistor only note: 1. refer to www.exar.com /xr46084 for most up-to-date ordering information. 2. visit www.exar.com for more information. 3. contact factory for availability. please contact led techsupport@exar.com to request a complete datasheet. xr 46084 product brief exar corporation reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. exar corporation conveys no license under any patent or other right and makes no representation that the circuits are free of patent infringement. while the information in this publication has been carefully checked, no responsibility, however, is assumed for inaccuracies. exar corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to signifcantly affect its safety or effectiveness. products are not authorized for use in such applications unless exar corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized; (b) the user assumes all such risks; (c) potential liability of exar corporation is adequately protected under the circumstances. reproduction, in part or whole, without the prior written consent of exar corporation is prohibited. exar, xr and the xr logo are registered trademarks of exar corporation. all other trademarks are the property of their respective owners. ?2016 exar corporation xr46084_pb_100316 48760 kato road fremont, ca 94538 usa
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: exar: ? XR46084ESFTR-ADJ? xr46084ehtr-adj
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