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slvs063e ? november 1988 ? revised october 2003 1 post office box 655303 ? dallas, texas 75265 low temperature coefficient wide operating current . . . 400 a to 10 ma 0.27- ? dynamic impedance 1% tolerance available specified temperature stability easily trimmed for minimum temperature drift fast turnon description/ordering information the lm236-2.5, lm336-2.5, and lm336b-2.5 integrated circuits are precision 2.5-v shunt regulator diodes. these reference circuits operate as low-temperature-coefficient 2.5-v zener diodes with a 0.2- ? dynamic impedance. a third terminal provided on the circuit allows the reference voltage and temperature coefficient to be trimmed easily. the series is useful as precision 2.5-v low-voltage references (v z ) for digital voltmeters, power supplies, or operational-amplifier circuitry. th e 2.5-v voltage reference makes it convenient to obtain a stable reference from 5-v logic supplies. devices in this series operate as shunt regulators, and can be used as either positive or negative voltage references. the lm236-2.5 is characterized for operation from ?25 c to 85 c. the lm336-2.5 and lm336b-2.5 are characterized for operation from 0 c to 70 c. ordering information t a package ? orderable part number top-side marking tube of 75 lm336d-2-5 336-25 soic (d) reel of 2500 lm336dr-2-5 336-25 soic (d) tube of 75 lm336bd-2-5 336b25 0 c to 70 c reel of 2500 lm336bdr?2-5 336b25 0 c to 70 c bulk of 1000 lm336lp-2-5 336-25 to-226 / to-92 (lp) reel of 2000 lm336lpr-2-5 336-25 to-226 / to-92 (lp) bulk of 1000 lm336blp-2-5 336b25 reel of 2000 LM336BLPR-2-5 336b25 ?25 c to 85 c soic (d) tube of 75 lm236d-2-5 236-25 ?25 c to 85 c soic (d) reel of 2500 lm236dr-2-5 236-25 ? package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. copyright ? 2003, texas instruments incorporated 1 2 3 4 8 7 6 5 nc nc nc anode cathode nc nc adj d package (top view) lm336-2.5, lm336b-2.5 . . . lp package (top view) nc ? no internal connection anode cathode adj please be aware that an important notice concerning avail ability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
slvs063e ? november 1988 ? revised october 2003 2 post office box 655303 ? dallas, texas 75265 symbol cathode anode adj schematic diagram cathode q11 6.6 k ? 24 k ? 24 k ? q14 q8 q7 q2 20 pf 10 k ? 30 pf q10 q3 q1 q5 q4 q6 q9 q12 q13 500 ? 30 k ? 6.6 k ? 720 ? adj anode note a: all component values are nominal. absolute maximum ratings over operating free-air temperature range (unless otherwise noted) ? reverse current, i r 20 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . forward current, i f 10 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . package thermal impedance, ja (see notes 1 and 2): d package 97 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . lp package 140 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . operating virtual junction temperature, t j 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ?65 c to 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ? stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only, a nd functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditi ons? is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. notes: 1. maximum power dissipation is a function of t j (max), ja , and t a . the maximum allowable power dissipation at any allowable ambient temperature is p d = (t j (max) ? t a )/ ja . operating at the absolute maximum t j of 150 c can impact reliability. 2. the package thermal impedance is calculated in accordance with jesd 51-7. recommended operating conditions min max unit t a operating free-air temperature lm236-2.5 ?25 85 c t a operating free-air temperature lm336-2.5, lm336b-2.5 0 70 c
slvs063e ? november 1988 ? revised october 2003 3 post office box 655303 ? dallas, texas 75265 electrical characteristics at specified free-air temperature (unless otherwise noted) parameter test conditions t a ? lm236-2.5 lm336-2.5 unit parameter test conditions t a ? min typ max min typ max unit v z reference voltage i z = 1 ma lm236, lm336 25 c 2.44 2.49 2.54 2.39 2.49 2.59 v v z reference voltage i z = 1 ma lm336b 25 c 2.44 2.49 2.54 v ? v z( ? t) change in reference voltage with temperature v z adjusted to 2.490 v, i z = 1 ma full range 3.5 9 1.8 6 mv ? v z( i) change in reference i z = 400 a to 10 ma 25 c 2.6 6 2.6 10 mv ? v z( ? i) change in reference voltage with current i z = 400 a to 10 ma full range 3 10 3 12 mv ? v z( ? t) long-term change in reference voltage i z = 1 ma 25 c 20 20 ppm/khr z z reference i z = 1 ma, f = 1 khz 25 c 0.2 0.6 0.2 1 w z z reference impedance i z = 1 ma, f = 1 khz full range 0.4 1 0.4 1.4 w ? full range is ?25 c to 85 c for the lm236-2.5 and 0 c to 70 c for the lm336-2.5 and lm336b-2.5.
slvs063e ? november 1988 ? revised october 2003 4 post office box 655303 ? dallas, texas 75265 typical characteristics figure 1 ? v ? change in reference voltage ? mv z 1.5 1 0.5 0 0246 2 change in reference voltage vs reference current 2.5 810 i z ? reference current ? ma t a = 25 c figure 2 150 100 50 10 100 1 k 200 f ? frequency ? hz noise voltage vs frequency 250 10 k 100 k i z = 1 ma t a = 25 c ? noise voltage ? v n nv/ hz 0.01 0.1 1 f ? frequency ? khz 10 100 reference impedance vs frequency 10 1 0.1 100 i z = 1 ma t a = ?55 c to 125 c ? z z ? reference impedance ? figure 3
slvs063e ? november 1988 ? revised october 2003 5 post office box 655303 ? dallas, texas 75265 application information 2.49 k ? 2.5 v lm236-2.5 lm336-2.5 lm336b-2.5 5 v nc figure 4. 2.5-v reference 2.49 k ? lm236-2.5 lm336-2.5 lm336b-2.5 in457 ? in457 ? 10 k ? ? 5 v ? any silicon signal diode ? adjust to 2.49 v 2.5 v figure 5. 2.5-v reference with minimum temperature coefficient lm336-2.5 lm336-2.5 lm336b-2.5 lm334 v+ v? 3.5 v to 40 v 68.1 ? v o = 2.5 v r nc figure 6. wide-input-range reference
package option addendum www.ti.com 7-jun-2010 addendum-page 1 packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ ball finish msl peak temp (3) samples (requires login) lm236d-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office lm236de4-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office lm236dg4-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office lm236dr-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm236dre4-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm236drg4-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm236lp-2-5 obsolete to-92 lp 3 tbd call ti call ti samples not available lm336bd-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office lm336bde4-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office lm336bdg4-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office lm336bdr-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm336bdre4-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm336bdrg4-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm336blp-2-5 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type contact ti distributor or sales office lm336blpe3-2-5 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type contact ti distributor or sales office LM336BLPR-2-5 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type purchase samples lm336blpre3-2-5 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type purchase samples lm336d-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office
package option addendum www.ti.com 7-jun-2010 addendum-page 2 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ ball finish msl peak temp (3) samples (requires login) lm336de4-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office lm336dg4-2-5 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim contact ti distributor or sales office lm336dr-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm336dre4-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm336drg4-2-5 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim purchase samples lm336lp-2-5 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type purchase samples lm336lpe3-2-5 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type purchase samples lm336lpr-2-5 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type purchase samples lm336lpre3-2-5 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type purchase samples (1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) eco plan - the planned eco-friendly classification: pb-free (rohs), pb-free (rohs exempt), or green (rohs & no sb/br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. tbd: the pb-free/green conversion plan has not been defined. pb-free (rohs): ti's terms "lead-free" or "pb-free" mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, ti pb-free products are suitable for use in specified lead-free processes. pb-free (rohs exempt): this component has a rohs exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. the component is otherwise considered pb-free (rohs compatible) as defined above. green (rohs & no sb/br): ti defines "green" to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material) (3) msl, peak temp. -- the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release.
package option addendum www.ti.com 7-jun-2010 addendum-page 3 in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis.
tape and reel information *all dimensions are nominal device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant lm236dr-2-5 soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 lm336bdr-2-5 soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 lm336dr-2-5 soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 package materials information www.ti.com 19-mar-2008 pack materials-page 1
*all dimensions are nominal device package type package drawing pins spq length (mm) width (mm) height (mm) lm236dr-2-5 soic d 8 2500 340.5 338.1 20.6 lm336bdr-2-5 soic d 8 2500 340.5 338.1 20.6 lm336dr-2-5 soic d 8 2500 340.5 338.1 20.6 package materials information www.ti.com 19-mar-2008 pack materials-page 2

mechanical data msot002a ? october 1994 ? revised november 2001 1 post office box 655303 ? dallas, texas 75265 lp (o-pbcy-w3) plastic cylindrical package 4040001-2 /c 10/01 straight lead option 0.016 (0,41) 0.014 (0,35) 0.157 (4,00) max formed lead option 0.104 (2,65) 0.210 (5,34) 0.170 (4,32) 0.050 (1,27) 0.016 (0,41) 0.022 (0,56) 0.500 (12,70) min seating plane 0.175 (4,44) 0.205 (5,21) 0.165 (4,19) 0.125 (3,17) dia d c 0.105 (2,67) 0.095 (2,41) 0.135 (3,43) min 0.080 (2,03) 0.055 (1,40) 0.045 (1,14) 1 0.105 (2,67) 23 0.080 (2,03) 0.105 (2,67) notes: a. all linear dimensions are in inches (millimeters). b. this drawing is subject to change without notice. c. lead dimensions are not controlled within this area d. falls within jedec to -226 variation aa (to-226 replaces to-92) e. shipping method: straight lead option available in bulk pack only. formed lead option available in tape & reel or ammo pack.
mechanical data msot002a ? october 1994 ? revised november 2001 2 post office box 655303 ? dallas, texas 75265 lp (o-pbcy-w3) plastic cylindrical package 4040001-3 /c 10/01 0.094 (2,40) 0.114 (2,90) 0.460 (11,70) 0.539 (13,70) tape & reel 0.335 (8,50) 0.384 (9,75) 0.020 (0,50) min 0.217 (5,50) 0.748 (19,00) 0.748 (19,00) 0.689 (17,50) 0.098 (2,50) 0.433 (11,00) 0.335 (8,50) 0.610 (15,50) 0.650 (16,50) 1.260 (32,00) 0.905 (23,00) 0.234 (5,95) 0.266 (6,75) 0.512 (13,00) 0.488 (12,40) 0.114 (2,90) 0.094 (2,40) 0.146 (3,70) 0.169 (4,30) dia notes: a. all linear dimensions are in inches (millimeters). b. this drawing is subject to change without notice. c. tape and reel information for the format lead option package.
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" only products designated by ti as military-grade meet military specifications. buyers acknowledge and agree that any such use of ti products which ti has not designated as military-grade is solely at the buyer ' s risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. ti products are neither designed nor intended for use in automotive applications or environments unless the specific ti products are designated by ti as compliant with iso/ts 16949 requirements. buyers acknowledge and agree that, if they use any non-designated products in automotive applications, ti will not be responsible for any failure to meet such requirements. following are urls where you can obtain information on other texas instruments products and application solutions: products applications audio www.ti.com/audio communications and telecom www.ti.com/communications amplifiers amplifier.ti.com computers and peripherals www.ti.com/computers data converters dataconverter.ti.com consumer electronics www.ti.com/consumer-apps dlp ? products www.dlp.com energy and lighting www.ti.com/energy dsp dsp.ti.com industrial www.ti.com/industrial clocks and timers www.ti.com/clocks medical www.ti.com/medical interface interface.ti.com security www.ti.com/security logic logic.ti.com space, avionics and defense www.ti.com/space-avionics-defense power mgmt power.ti.com transportation and www.ti.com/automotive automotive microcontrollers microcontroller.ti.com video and imaging www.ti.com/video rfid www.ti-rfid.com wireless www.ti.com/wireless-apps rf/if and zigbee ? solutions www.ti.com/lprf ti e2e community home page e2e.ti.com mailing address: texas instruments, post office box 655303, dallas, texas 75265 copyright ? 2011, texas instruments incorporated

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