YOUWANG에서 제조한 전자 부품 UTC494은 전자 산업 및 응용 분야에서 광범위하게 사용되는 반도체 소자입니다.
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PDF 형식의 UTC494 자료 제공
UTC494 기능 |
VOLTAGE MODE PWM CONTROL CIRCUITS |
YOUWANG |
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UTC494 LINEAR INTEGRATED CIRCUIT VOLTAGE MODE PWM CONTROL CIRCUITS DESCRIPTION The UTC494 incorporate on a single monolithic chip all the functions required in the construction of a pulse-width modulation control circuit.Designed primarily for power supply control, the device offers the systems engineer the flexibility to tailor the power supply control circuitry to its application. The UTC494 contains an error amplifier,current-limiting amplifier, an on-chip adjustable oscillator, a dead time control com parator,pulse-steering control flip-flop,a 5volt ,1% precision supply regulator,and output control circuits. The error amplifier exhibits a commonContents of page 4 out of 8 pages :
UTC494 LINEAR INTEGRATED CIRCUIT Vcc=40V 9 15 Average supply current Switching Characteristics,Ta=25°C Output Voltage rise time Vpin 4=2V Common-emitter configuration 7.5 100 200 Output Voltage fall time 25 100 Output Voltage rise time Emitter-follower configuration 100 200 Output Voltage fall time 40 100 note 1:All typical Values except for temperature coefficient are at Ta=25°C. note 2:For conditions shown as MIN or MAX, use appropriate value under recommended operating conditions. note 3:Duration of the short-circuit should not exceed one second. note 4:Standard deviation is a measure of the statistical distribution the mean as derived from the formula : N = (xn-x)2 n=1 N-1 mA ns ns ns ns YOUWANG ELECTRONICS CO.LTD 4 2010.09.26 V1.4
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부품번호 | 상세설명 및 기능 | 제조사 |
UTC494 | VOLTAGE MODE PWM CONTROL CIRCUITS | ![]() YOUWANG |
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