www.leadis.com 1 rev. 1.2 february 08, 2008 lds4041p precision micropower shunt voltage reference sot23 and to92 package product specification revision 1.2 february 08, 2008 applications ? power supplies ? low tc low voltage reference ? portable, battery-powered equipment ? instrumentation general description the lds4041p is a precision voltage reference offered in the very small sot23 package for applications where power and space are critical. its precision reference is trimmed during wafer sort to insure accuracy and tight distributions centered at 1.225v. the minimum operating current is less than 40 a to keep power consumption at a minimum. the bandgap reference has curvature correction and low dynamic impedance to ensure stable accuracy over a wide range of oper ating currents and temperatures features ? offered in small sot23-3 package ? 40ua to 12ma operation ? low tc voltage reference 100ppm/ oc ? stable with no load capacitance ? rohs compliant pin configuration pin descriptions pin name function cath + input, nominally 1.225v in normal operation. anode - ground nc this pin must be left floating or connect to anode
leadis technology inc. lds4041p www.leadis.com 2 rev. 1.2 february 08, 2008 absolute maximum ratings stress greater than those listed under ?absolute ma ximum ratings? may cause permanent damage to the device. these are stress ratings only, and functional ope ration of the device at thes e or any conditions beyond those indicated under recommended operating conditions is not implied. exposure to ?absolute maximum rating? for extended periods may affect device reliab ility. use of standard esd handling precautions is required. parameter value units anode forward current +50 ma anode reverse current -50 ma operating junction temperature 150 oc lead temperature (soldering 10 seconds) 260 oc storage temperature range -65 to +150 oc esd (human body model) 2 kv electrical specifications electrical characteristics are guaranteed at 25oc unless otherwise stated. ambient temperature must be de-rated based upon power dissipation and package thermal characteristics. symbol parameter conditions min typ max units 0.5% option 1.219 1.225 1.231 v v r reverse breakdown voltage i r =100a ?40oc leadis technology inc. lds4041p www.leadis.com 3 rev. 1.2 february 08, 2008 typical performance curves reference voltage vs junction temperature 1.210 1.215 1.220 1.225 1.230 1.235 1.240 -40 -20 0 20 40 60 80 100 120 junction temperature (degrees c) reference voltage (v) cathode current vs cathode voltage -10 -5 0 5 10 15 -1 -0.5 0 0.5 1 1.5 cathode voltage (v) cathode current (ma) cathode current vs cathode voltage -10 0 10 20 30 40 50 00.511.5 cathode voltage (v) cathode current (ua) dynamic impedance vs frequency 0.1 1 10 100 0.1 1 10 100 1000 10000 frequency (khz) dynamic impedance (0hms)
leadis technology inc. lds4041p www.leadis.com 4 rev. 1.2 february 08, 2008 package dimensions sot23-3, sot23-4, sot23-5, sot23-6
leadis technology inc. lds4041p www.leadis.com 5 rev. 1.2 february 08, 2008 package dimensions to92-2, to92-3
leadis technology inc. lds4041p www.leadis.com 6 rev. 1.2 february 08, 2008 ordering information device operating tj %tol pkg type v out wrap ordering number lds4041p -40c ? 85c ? 0.5 sot-23-3 1.225v t&r lds4041ez-m3-12-tl lds4041p -40c ? 85c ? 1.0 sot-23-3 1.225v t&r lds4041ey-m3-12-tl lds4041p -40c ? 85c ? 0.5 to92-3 1.225v t&r lds4041ez-n3-12-tl lds4041p -40c ? 85c ? 1.0 to92-3 1.225v t&r LDS4041EY-N3-12-TL note: lead free and rohs compliant. warranty and use leadis technology makes no warranty, representation or guaran tee, express or implied, regarding the suitability of its products for any particular purpose, nor that the use of its pr oducts will not infringe its intellectual property rights or the rights of third parties with respect to any particular use or application and specifically disclaims any and all liability arising out of any such use or application, including but not limited to, consequential or incidental damages. leadis technology products are not designed, intended, or authorized for use as components in systems intended for surgical imp lant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the leadis technology product could c reate a situation where personal injury or death may occur. leadis technology reserves the right to make changes to or di scontinue any product or service described herein without notice. products with data sheets labeled "advance information" or "preliminary" and other products described herein may not be in pr oduction or offered for sale. leadis technology advises customers to obtain the current version of the relevant product inform ation before plac ing orders. ci rcuit diagrams illustrate typical semiconductor applications and may not be complete. leadis technology 800 w. california ave, suite 200 sunnyvale, ca 94086 phone: 408.331.8600 document no: 4041lds fax: 408.331.8601 revision: 1.2 http:// www.leadis.com issue date: 2/08/08
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