ZRC330 ZRC330 document number: ds32163 rev. 6 - 2 1 of 6 www.diodes.com june 2010 ? diodes incorporated a product line o f diodes incorporated precision 3.3 volt low knee current voltage reference description the ZRC330 uses a bandgap circuit design to achieve a precision micropower voltage re ference of 3.3 volts. the device is available in a smal l outline surface mount package, ideal for applications where space saving is important. the ZRC330 design provides a stable voltage without an external capacitor and is stable with capacitive loads. the ZRC330 is recommended for operation between 20a and 5ma and so is ideally suited to low power and battery powered applications. excellent performance is maintained to an absolute maximum of 25ma, however the rugged design and 20 volt processing allows the reference to withstand transient effects and currents up to 200ma. superior switching capability allows the device to reach stable operating conditions in only a few microseconds. pin assignments sot23 package suffix - f (top view) pin 1 floating or connected to pin 2 e-line, 3 pin package suffix - a (bottom view) pin 1 floating or connected to pin 3 typical application circuit features ? small outline sot23 package ? no stabilizing capacitor required ? low knee current, 15 a typical ? typical slope resistance 0.6 ? ? 2% and 1% tolerance ? industrial temperature range ? operating current 20 a to 5ma ? green molding compound (no br, sb) applications ? battery powered and portable equipment. ? metering and measurement systems ? instrumentation ? test equipment ? data acquisition systems ? precision power supplies ? crystal oscillators . obsolete
ZRC330 ZRC330 document number: ds32163 rev. 6 - 2 2 of 6 www.diodes.com june 2010 ? diodes incorporated a product line o f diodes incorporated absolute maximum ratings paramete r rating unit reverse current 25 ma forward current 25 ma operating temperature -40 to 85 c storage temperature -55 to 125 c power dissipation (t amb = 25c) sot23 330 mw electrical characteristics (test conditions: t amb = 25c, unless otherwise specified.) symbol parameter condition min. typ. max. tol. (%) unit v r reverse breakdown voltage i r = 150a 3.27 3.234 3.3 3.3 3.33 3.366 1 2 v i min minimum operating current 15 20 a i r recommended operating current 0.02 5 ma t c (*) average reverse breakdown voltage temperature coefficient i r(min) to i r(max) 15 50 ppm/c r s (?) slope resistance 0.6 2 ? z r reverse dynamic impedance i r = 1ma f = 100hz i ac = 0.1i r 0.5 1.2 ? e n wideband noise voltage i r = 150a f = 10hz to 10khz 75 v(rms) notes: note: v r(max) - v r (min) is the maximum deviation in reference voltage measured over the full operating temperature range. . (*) t c = (v r ( max ) ? v r ( min ) ) x 1000000 v r x (t ( max ) ? t ( min ) ) (?) r s = v r change ( ir ( min ) to i r ( max ) ) i r ( max ) ? i r ( min ) )
ZRC330 ZRC330 document number: ds32163 rev. 6 - 2 3 of 6 www.diodes.com june 2010 ? diodes incorporated a product line o f diodes incorporated typical characteristics
ZRC330 ZRC330 document number: ds32163 rev. 6 - 2 4 of 6 www.diodes.com june 2010 ? diodes incorporated a product line o f diodes incorporated ordering information * part no. tol (%) device mark status (*) reel size (inches) quantity per reel tape width (mm) ZRC330f01ta 1 sot23 33c released 7 3000 8 ZRC330f02ta 2 sot23 33b released 7 3000 8 ZRC330f01ta 3 sot23 33a obsolete 7 3000 8 notes: * all ZRC330a variants (e-line) are obsolete and no lon ger available for sale. the clos est alternative is the sot23. package outline dimensions sot23 e e l e1 d a c e1 l1 a1 b 3 leads 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 - - - - - note: controlling dimensions are in millimeters. ap proximate dimensions are provided in inches
ZRC330 ZRC330 document number: ds32163 rev. 6 - 2 5 of 6 www.diodes.com june 2010 ? diodes incorporated a product line o f diodes incorporated package outline dimensions e-line, 3 pin
ZRC330 ZRC330 document number: ds32163 rev. 6 - 2 6 of 6 www.diodes.com june 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 prod ucts 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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