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Digital multimeter appears to have measured voltages datadheet than expected. At this point, the SW side of the inductor swings to a diode voltage below ground, causing the inductor current to decrease and magnetic energy to be transferred to output. In the case of tantalum or electrolytic types, they can be further away if a small parallel 0. Typical Inductor Values L 1.

I noticed that “slow” op amp gives calculated 5Vout, much faster op amp gives an unwanted 7Vout. Losses in inductor of a boost converter 8. A low current shutdown mode and output is discharged through the LowSide Power Switch. In the case of tantalum or electrolytic capacitors, the ripple is dominated by RESR multiplied by the ripple current.


The converter operates as follows: This is wasting our time. Exceeding these limits may damage the device.

ACT (ACTIVE-SEMI) PDF技术资料下载 ACT 供应信息 IC Datasheet 数据表 (3/9 页)

ModelSim – How to force a struct type written in SystemVerilog? What is the function of TR1 in this circuit 1. Make sure that this peak inductor current is less that the 3A current limit. When higher than 1.

Users should evaluate each product to make sure that it is suitable for their applications. Regulator produces stable 5V but only when there is no load connected. The Schottky diode must have a current rating higher than the maximum output current and a reverse voltage rating higher than the maximum input voltage.

This inductor current has a ripple that is dependent on the inductance value: So much details to take care of. Bypass this pin to G with a low ESR capacitor.

ACT4060 PDF Datasheet浏览和下载

How do you get an MCU design to market acf4060 I redesigned power supply module and put it on separate PCB, and now It seems that everything work without any problems. Output voltage is discharged when the IC is off.

The output ripple voltage is: When EN is less than 0. Users should evaluate each product to make sure that it is suitable for their applications. In that case, the output capacitor is chosen to have sufficiently low ESR.


Additionally I figured out that when I connect load 5 Ohm resistor SMPS chip warming up very fast and it persist even if I then disconnect load as well as voltage drop.

For other inquiries, please send to: G EA The second pole P2 is the output pole: Equating complex number interms of the other 6. I’m convinced that incorrect or lack of compensation contributes to this a lot, but no doubt I’m wrong, ‘though compensation is a must-have for regulated outputs.

Similar Threads Drop voltage in output of LM xct4060.


Current limit happens when COMP reaches its maximum clamp value of 2. Exposure to absolute maximum rating conditions for long periods may affect device reliability. A switching regulator is far more complex for the designer to understand than a linear regulator. AF modulator in Transmitter what is the A?