zrc330 precision 3.3volt low knee current voltage reference zrc330 document number: ds32163 rev. 7 - 2 1 of 5 www.diodes.com march 2012 ? diodes incorporated a product line o f diodes incorporated 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 small 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. features ? small outline sot23 package ? no stabilizing capacitor required ? low knee current, 15 a typical ? typical slope resistance 0.6 ? ? 3%, 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 pin assignments sot23 package suffix ? f 1 3 2 v r gnd (top view) pin 1 floating or connected to pin 2 typical application circuit + -
zrc330 precision 3.3volt low knee current voltage reference zrc330 document number: ds32163 rev. 7 - 2 2 of 5 www.diodes.com march 2012 ? diodes incorporated a product line o f diodes incorporated absolute maximum ratings parameter 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 3.201 3.3 3.3 3.3 3.33 3.366 3.399 1 2 3 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) note: (*) ( ) () tt x v 1000000x v v t )min()max(r )min(r)max(r c ? ? = note: v r(max) ? v r(min) is the maximum deviation in reference voltage measured over the full operating temperature range (?) ( ) ii i to i change v r )min(r)max(r )max(r)min(r r s ? = 2.0 4.0 0.0 reverse voltage (v) reverse current (a) 40 30 20 10 0 t = 85c a t = -40c a t = 25c a
zrc330 precision 3.3volt low knee current voltage reference zrc330 document number: ds32163 rev. 7 - 2 3 of 5 www.diodes.com march 2012 ? diodes incorporated a product line o f diodes incorporated typical characteristics 1.6 0.4 f o r wa r d v o l t a g e (v) 0.6 0.8 1.0 1.2 1.4 0.1 1 10 100 1000 forward current (ma) forward characteristics 20 -40 -20 0 40 60 80 temperature (c) temperature drift i = 150a to 5ma r 9.31 9.29 9.30 r e f e r e n c e v o l t a g e (v) 0 1.0 2.0 3.0 slope resistance ( ) 0.1 1 10 reference current (ma) slope resistance vs. current t = -40c a t = 25c a t = 85c a 0.1 1 10 frequency (khz) slope resistance vs. frequency 0.01 100 0.1 100 1000 s l o p e r e s i s t a n c e ( ) 10 1 i = 150a r i = 5ma r i = 1ma r 0100200300 time (s) transient response (single pulse) 0 10 0 1.0 2.0 3.0 v (v) v (v) in r 5ma 150a 43k 150a input output 1k3 5ma 5ma 150a 43k 150a input output 1k3 5ma 01 34 time (s) transient response (repetitive pulse) 2 0 10 0 1.0 2.0 3.0 v (v) v (v) in r
zrc330 precision 3.3volt low knee current voltage reference zrc330 document number: ds32163 rev. 7 - 2 4 of 5 www.diodes.com march 2012 ? diodes incorporated a product line o f diodes incorporated ordering information * part no. tol (%) package device mark reel size (inches) quantity per reel tape width (mm) zrc330f01ta 1 sot23 33c 7 3000 8 zrc330f02ta 2 sot23 33b 7 3000 8 ZRC330F03TA 3 sot23 33a 7 3000 8 notes: * all zrc330a variants (e-line) are obsolete and no longe r available for sale. the closest alternative is the sot23. package outline dimensions sot23 suggested pad layout sot23 sot23 dim min max typ a 0.37 0.51 0.40 b 1.20 1.40 1.30 c 2.30 2.50 2.40 d 0.89 1.03 0.915 f 0.45 0.60 0.535 g 1.78 2.05 1.83 h 2.80 3.00 2.90 j 0.013 0.10 0.05 k 0.903 1.10 1.00 k1 - - 0.400 l 0.45 0.61 0.55 m 0.085 0.18 0.11 0 8 - all dimensions in mm dimensions value (in mm) z 2.9 x 0.8 y 0.9 c 2.0 e 1.35 x e y c z a m j l d f b c h k g k1
zrc330 precision 3.3volt low knee current voltage reference zrc330 document number: ds32163 rev. 7 - 2 5 of 5 www.diodes.com march 2012 ? 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 descri bed herein. diodes incorporated does not assume any liability ari sing out of the application or use of this document or any product described herein; neither does di odes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes inco rporated and all the companies wh ose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability w hatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes in corporated products for any unintended or unaut horized application, customers shall i ndemnify and hold diodes incorporated and its represent atives harmless against all claims, damages , expenses, 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 prope rly 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-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by di odes incorporated. further, customers must fully indemnify di odes incorporated and its representatives agains t any damages arising out of the use of di odes incorporated products in such safety- critical, life support devices or systems. copyright ? 2012, diodes incorporated www.diodes.com
|
