UC2843B(2009) 查看數據表（PDF） - Unisonic Technologies
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UC2843B Datasheet PDF : 9 Pages
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UC2843B
Preliminary
LINEAR INTEGRATED CIRCUIT
APPLICATION INFORMATION(Cont.)
Shutdown Technique (cont.)
A fraction of the triangular-wave oscillator can be summed resistively with the current-sense signal providing
slope compensation for converters, which requiring duty cycles over 50%. Please note that capacitor C forms a filter
with R2 to suppress the leading-edge switch spikes.
VREF
0.1µF
RT
RT/CT
ISENSE
CT
R1
R2
C
ISENSE
RSENSE
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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
9 of 9
QW-R103-048.a
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