1300920162

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Part Status:	Active

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1300920162 application field and working principle1300920162, as a voltage regulator, has a broad range of applications, such as in television receivers, tape recorders, personal computers, small household appliances, etc. Not only is it cost-effective, but also it always works under harsh conditions and maintains a steady output voltage. So, the 1300920162 is widely used which could bring about many benefits to the users.1300920162 is a three-terminal integrated circuit featuring four external elements. The internal electric circuit of 1300920162 is composed mainly of resistors, capacitors, and a comparator. Resistor R1 and capacitor C1 form a network that functions as an AC voltage divider and a low-pass filter. Resistor R2 and capacitor C2 operate as a divider and filter. Output voltage is proportional to the ratio of the voltage divider, and is adjusted by changing the values of resistors R1 and R2.1300920162 consists of four major sections. Firstly, it has a sense circuit that measures the output voltage and delivers it to the reference section. Secondly, it has a reference section that compares the sensed voltage and the reference voltage, and then generates a control signal to the Error amplifier. Thirdly, there is an error amplifier that decides how much voltage the control signal needs to be sent to the power switch to increase or decrease the output voltage. Finally, the power switch, held by a Darlington pair, processes the signal of the error amplifier at high speed to regulate a specific output voltage.When the 1300920162 is working, AC power is provided to the bridge rectifier through the secondary of the power transformer. The rectified AC voltage is filtered by a capacitor, C3. This filtered voltage is compared with the reference voltage, Vref, and if the output voltage is below the set output voltage, then the Error amplifier outputs a positive signal to the power switch. This signal drives the Darlington pair to turn on the power switch, thus increasing the duty cycle of the pulse-width modulator. This in turn causes the output voltage to increase.Likewise, if the measured output voltage is greater than the set output voltage, the control signal from the Error amplifier will be negative, turning off the power switch. This reduces the duration the power switch is conducting, decreasing the duty cycle of the pulse-width modulator, resulting in decreased output voltage. In this way, the 1300920162 maintains the stability of the output voltage even if the load varies.In sum, the 1300920162 is a voltage regulator with a wide range of applications, efficient performance, and reliable operation. It monitors the output voltage, and shortens or extends the on-state time of the power switch based on whether the measured voltage is greater or less than the predetermined value. This ensures that the output voltage remains constant despite changes in the load. Additionally, its simple structure and small size make it an economical choice for many applications.

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