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UB2012BL-S08-R Arkusz danych(PDF) 17 Page - Unisonic Technologies |
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UB2012BL-S08-R Arkusz danych(HTML) 17 Page - Unisonic Technologies |
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17 / 17 page ![]() UB2012 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 17 of 17 www.unisonic.com.tw QW-R121-018 .G APPLICATION INFORMATION(Cont.) The following example illustrates these calculations: Assume Z(PACK) = 100 mΩ , I(REG) = 500 mA, current sensing UTC UB2012B ) REG ( ) PACK ( ) Z ( I × Z = V (16) V(Z)=0.1×0.5 V(Z)=50mV ) COMP ( ) Z ( ) COMP ( G V = V (17) V(COMP)=0.05/2.2 V(COMP)=22.7mV Let RCOMP2 = 10 kΩ ) COMP ( ) COMP ( ) SNS ( 2 COMP 1 COMP V ) V V ( × R = R - (18) mV 7 . 22 ) mV 7 . 22 - mV 105 ( × k 10 = R 1 COMP 36.25kΩ RCOMP1 Use the closest standard value (36.0 kΩ) for RCOMP1 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. |
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