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tps62302drcr资料
tps62302drcr
 
file size : 116 kb
manufacturer:
description:the uc1524 is a fixed-frequency pulse-width-modulation voltage regulator control circuit. the regulator operates at a frequency that is programmed by one timing resistor (rt), and one timing capacitor (ct), rt establishes a constant charging current for ct. this results in a linear voltage ramp at ct, which is fed to the comparator provid- ing linear control of the output pulse width by the error amplifier. the uc1524 contains an on-board 5v regulator that serves as a reference as well as powering the uc1524s internal control circuitry and is also useful in supplying external support functions. this reference volt- age is lowered externally by a resistor divider to provide a reference within the common-mode range of the error amplifier or an external reference may be used. the power supply output is sensed by a second resistor di- vider network to generate a feedback signal to the error amplifier. the amplifier output voltage is then compared to the linear voltage ramp at ct. the resulting modulated pulse out of the high-gain comparator is then steered to
 
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  1pcs 100pcs 1k 10k  
价 格  
 
 
型 号:tps62302drcr
厂 家:
封 装:0633
批 号:dip/sop
数 量:5494
说 明:
 
 
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公司地址: 深圳市福田区佳和大厦b座1802室 门市部:华强广场 q2a114展销柜
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