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zmr series zmr series document number: ds32195 rev. 10 - 2 1 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated fixed 2.5, 3.3 and 5 volt miniature voltage regulators description the zmr series of three terminal fixed positive voltage regulators feature internal current limit and will shut down under thermal overload conditions making the devices difficult to destroy. the circuit design offers an exceptionally low quiescent current, only 30 a for the 2.5v device, ideal for low power applications. the initial devices in the series regulate to 2.5 or 5v with a drive capability up to 50ma. the device is designed with space saving in mind and is available in the small outline sot23 package. the ZMR250 has expanded its input voltage range to 22.5v and the zmr500 has expanded its input voltage range to 25v; equaling that of the zmr25h and zmr50h respectively. the zmr330 provides a 3.3v output over an input range of 5v to 24v. features ? small outline sot23 package ? 2.5v, 3.3v and 5v output ? output current up to 50ma ? very low quiesent current (30 a) ? unconditionally stable ? internal short circuit current limit applications ? small outline sot23 package ? 2.5v, 3.3v, 5v output ? output current up to 50ma ? very low quiescent current (30a) ? unconditionally stable ? internal short circuit current limit ? ?green? molding compound (no br, sb) pin assignments sot23 package suffix - f (top view) to92 package suffix - c (underside view) typical application circuit gnd out in 2 3 1 v in v out gnd
zmr series zmr series document number: ds32195 rev. 10 - 2 2 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated absolute maximum ratings paramete r rating unit input voltage ZMR250 zmr330 zmr500 22.5 24 25 v power dissipation (t amb = 25c) (note 3) sot23 500 mw output current (i o ) 100 ma ambient temperature -55 to 125 c maximum junction temperature 125 c storage temperature -65 to 150 c notes: 1. the maximum operating input voltage and output current of the device will be governed by the maximum power dissipation of the selected package. maximum package power dissipation is specified at 25c and must be linearly derated to zero at tamb =125c. 2. the following data represents pulse test conditions with junc tion temperatures as indicated at the initiation of the test. continuous operation of the devices with the stated conditions might exceed the power di ssipation limits of the chosen package. 3. maximum power dissipation for the sot23 package, is calculated assuming that the device is mounted on a ceramic substrate measuring 15 x 15 x 0.6mm. recommended operating conditions input voltage range min. max. unit ZMR250 4.2 22.5 v zmr330 4.8 24 v zmr500 7.0 25 v
zmr series zmr series document number: ds32195 rev. 10 - 2 3 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated electrical characteristics (unless otherwise stated): t j = 25c, i o = 10ma, v in = 6.5v ZMR250 symbol parameter condition min. typ. max. unit v o output voltage 2.438 2.5 2.563 v i o = 0 to 50ma t j = -55 to 125c 2.360 2.640 v v in = 4.5 to 22.5v i o = 0 to 50ma t j = -55 to 125c 2.630 2.640 v v o line regulation v in = 4.5 to 22.5v 5 15 mv v o load regulation i o = 0 to 50ma i o = 0 to 10ma 20 12 30 mv l s supply current t j = -55 to 125c 30 40 a l s supply current change i o = 0 to 50ma v in = 4.5 to 22.5v 1 2 10 10 a v n output noise voltage f = 10hz to 10khz 65 v rms v in /_v o ripple rejection v in = 6.3 to 18v f = 120hz 55 75 db v in input voltage required to maintain regulation 3.9 v v o / t average temperature coefficient of v o i o = 5.0ma tj = -55 to 125c 0.275 0.700 mv/c
zmr series zmr series document number: ds32195 rev. 10 - 2 4 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated electrical characteristics (unless otherwise stated): t j = 25c, i o = 10ma, v in = 7v zmr330 symbol parameter condition min. typ. max. unit v o output voltage 3.217 3.3 3.383 v i o = 0 to 50ma t j = -55 to 125c 3.148 3.393 v v in = 5 to 24v i o = 0 to 50ma t j = -55 to 125c 3.148 3.408 v v o line regulation v in = 5 to 24v 5 15 mv v o load regulation i o = 0 to 50ma i o = 0 to 10ma 20 13 30 mv l s supply current t j = -55 to 125c 120 170 a l s supply current change i o = 0 to 50ma v in = 5 to 20v 5 2 10 10 a v n output noise voltage f = 10hz to 10khz 80 v rms v in /_v o ripple rejection v in = 6 to 20v f = 120hz 55 db v in input voltage required to maintain regulation v out = 3.217v 4.74 v
zmr series zmr series document number: ds32195 rev. 10 - 2 5 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated electrical characteristics (unless otherwise stated): t j = 25c, i o = 10ma, v in = 10v zmr500 symbol parameter condition min. typ. max. unit v o output voltage 4.785 5 5.125 v i o = 0 to 50ma t j = -55 to 125c 4.780 5.160 v v in = 7 to 25v i o = 0 to 50ma t j = -55 to 125c 4.780 5.175 v v o line regulation v in = 7 to 25v 5 15 mv v o load regulation i o = 0 to 50ma i o = 0 to 10ma 25 15 40 mv l s supply current t j = -55 to 125c 50 70 a l s supply current change i o = 0 to 50ma v in = 7 to 25v 1 2 10 10 a v n output noise voltage f = 10hz to 10khz 90 v rms v in /_v o ripple rejection v in = 8 to 18v f = 120hz 55 72 db v in input voltage required to maintain regulation 6.7 v v o / t average temperature coefficient of v o i o = 5.0ma tj = -55 to 125c 0.275 0.700 mv/c
zmr series zmr series document number: ds32195 rev. 10 - 2 6 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated typical characteristics -50 -25 0 25 50 75 100 125 -50 -25 0 25 50 75 100 125 2.5 2.0 1.5 1.0 0.5 0 drop-out voltage (v) drop-out voltage v temperature quiescent current v temperature -50 -25 0 25 50 75 100 125 temperature ( c) output voltage temperature 0 20 40 2 468 10 12 14 16 18 20 60 10 30 50 input voltage (v) quiescent current v voltage 28 0.1 1 10 100 27 29 47 48 49 50 30 75 quiescent current v temperature quiescent current (a) -50 -25 26 28 02550 32 30 34 125100 40 44 48 52 56 60 output current temperature ( c) te m p e r a t u r e ( c ) temperature ( c) 5.00 5.02 4.98 4.96 2.50 2.48 2.46 2.52 zmr500 ZMR250 output voltage quiescent current v output current i o =5 ma v in =v o +4 i o =5ma v in =v o +4 i o =1 0ma i o =0 v in =v o +4 i o =0 v in =v o +4 i o =0 v in =v o +4 i o =0 v in =v o +4 i o =10ma quiescent current (a) quiescent current (a) quiescent current (a) ZMR250 zmr500 ZMR250 zmr500 ZMR250 ZMR250 zmr500 zmr500
zmr series zmr series document number: ds32195 rev. 10 - 2 7 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated typical characteristics (cont.) 0 time (s) line transient response load current 01020 30 40 50 tim e ( s) output voltage deviation (v) load transient response 0 10 20 30 40 50 60 70 80 90 10 100 1k 10k 100k ripple frequency (hz) ripple rejection (db) 100 1k 10k 100k 10 1.0 0.1 0.01 frequency (hz) output impedance ( ? ) i=10ma v=v +4v o in out output impedance v frequency ripple rejection v ripple frequency zmr500 ZMR250 zmr500 ZMR250 ZMR250 zmr500 20 40 60 80 100 0 10ma zmr500 ZMR250 vin 0 -0.4 0 -0.4 0.4 0.4 0v 5v 0 0.4 -0.4 0 -0.4 0.4 output voltage deviation (v) 0 1 2 power dissipation (mw) power derating o i=2ma -50 -25 0 25 50 75 100 125 temperature (c) io= 10ma sot23 surface mount devices c out =0 v in =v o +4 dv in /dt=5v/s c out =0 v in =v o +4 di o /dt=1a/s
zmr series zmr series document number: ds32195 rev. 10 - 2 8 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated ordering information part number package part mark status reel size (inches) quantity per reel tape width (mm) zmr25hfta sot23 25x obsolete replaced by ZMR250fta 7? 3000 8mm zmr50hfta sot23 50r obsolete replaced by zmr500fta 7? 3000 8mm ZMR250fta sot23 25k released 7? 3000 8mm zmr330fta sot23 330 released 7? 3000 8mm zmr330f-7* sot23 330 released 7? 3000 8mm zmt500fta sot23 50k released 7? 3000 8mm notes: *zmr330f-7 is in halogen free molding compound all to92 variants (zmrxxxc) are obsolete. closest replacements are the zmrxxxfta.
zmr series zmr series document number: ds32195 rev. 10 - 2 9 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated package outline dimensions sot23 dim. millimeters inches dim. millimeters inches min. max. min. max. min. max. min. max. a - 1.12 - 0.044 e1 1.90 nom 0.075 nom a1 0.01 0.10 0.0004 0.004 e 2.10 2.64 0.083 0.104 b 0.30 0.50 0.012 0.020 e1 1.20 1.40 0.047 0.055 c 0.085 0.20 0.003 0.008 l 0.25 0.60 0.0098 0.0236 d 2.80 3.04 0.110 0.120 l1 0.45 0.62 0.018 0.024 e 0.95 nom 0.037 nom - - - - - notes: controlling dimensions are in millimeters. approximate dimensions are provided in inches e e l e1 d a c e1 l1 a1 b 3 leads
zmr series zmr series document number: ds32195 rev. 10 - 2 10 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated package outline dimensions (cont.) to92 dim. millimeters inches dim. millimeters inches min. max. min. max. min. max. min. max. a 4.32 4.95 0.170 0.195 r 2.16 2.41 0.085 0.095 b 0.36 0.51 0.014 0.020 s1 1.14 1.52 0.045 0.060 e 3.30 3.94 0.130 0.155 w 0.41 0.56 0.016 0.022 e 2.41 2.67 0.095 0.105 d 4.45 4.95 0.175 0.195 e1 1.14 1.40 0.045 0.055 * 4 6 4 6 l 12.70 15.49 0.500 0.610 notes: controlling dimensions are in millimeters. approximate dimensions are provided in inches obsolete
zmr series zmr series document number: ds32195 rev. 10 - 2 11 of 11 www.diodes.com may 2010 ? diodes incorporated a product line o f diodes incorporated important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability arising out of the application or use of this document or any product described her ein; neither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or us er of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes in corporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability what soever in respect of any pr oducts purchased through unauthoriz ed sales channel. should customers purchase or use diodes in corporated products for any unintended or unauthorized application, customers shall i ndemnify and hold diodes incorporated and its representatives harmless a gainst all claims, damages, expens es, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or mo re united states, international or foreign trademarks. life support diodes incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when prop erly used in accordance with instructions for use provided in the labeling can be reasonably expected to re sult in significant injury to the user. b. a critical component is any component in a life support devic e or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of diodes incorporated products in such safety-cri tical, life support devices or systems, notwithstanding any devic es- or systems- related information or support that may be provided by diodes inco rporated. further, customers must fully indemnify diodes inc orporated and its representatives against any damages aris ing out of the use of diodes incorporated products in such safety-critical, life su pport devices or systems. copyright ? 2010, diodes incorporated www.diodes.com

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