Questions tagged [switching-regulator]
It's a type of voltage regulators that rapidly switch a series device on and off.
508 questions
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Purpose of a Set of Resistors in Concurrent +-12V Supply
I'm designing a +-15V supply and mimicking this +-12V supply example schematic provided in Analog Techs LTC7149 datasheet. I'm specifically curious about the purpose of Rset3 and Rset4. If I'm not ...
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Identify this component labeled AVXS T34 from DJI Mini 2 [closed]
I was repairing a DJI Mini 2 drone the fell on water. I cleaned the board and started doing some measurements. I noticed a couple of shorted capacitors around the nt5cb128m16jr-fl chip SDRAM and I ...
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Problem with TPS65130 adjustable power supply
I have made a PCB based on the TPS65130 for an adjustable positive and negative power supply. After installing the components and testing the PCB I am getting strange results.
When DAQ output = 4.93
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LT8361 generate -80 voltage
I want to use LT8361 to generate -80V supply. In the datasheet, I find the connection for 80V supply, I would like to know how to modify this circuit to generate -80V supply?
There is the link for ...
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Switching regulator noise: fixed resistor vs digital potentiometer
I am building a switching regulator design for a high current application. Here I want to control output voltage Vout through the custom software by adding the digital potentiometer, basically ...
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SEPIC Output spiking - What's causing the problem? - MC34063
I am working on a SEPIC converter based on a NJM2374 IC (equivalent to MC34063) to be used in a DIY laboratory power supply. Unfortunately, I’ve encountered a lot of issues with spiking on the output.
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TPS63070 outputting 6.15v instead of 3.8v
I have a tps63070 set up to output 3.8v but it is putting out 6.15v. I am following this in the datasheet:
My R1 is 660K (2 x 330k in series) and R2 is 100K. Here is my schematic. Sorry it's so messy....
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+24V to +-15V and +-12V Using Switching and Linear Regulator
I'm designing a power control unit for a project where I need to take a 24V input and step it down to low noise +-15V and +-12V. The plan I've decided to go with uses the LTC3649 and LTC7149 switching ...
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How to disable level shifters in TPS61096A?
I'm planing to use TPS61096A as a low power, low Iq boost for my battery powered device. I looked into devices from TI, Analog devices, Torexsemi and Monolithic power; It's the perfect choice as I ...
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PCB-Design LM2670 Feedack
I need feedback on my LM2670-5V TO-220 PCB board layout. The PCB layout is from Altium. It has 4 layers Signal, GND, GND; Signal with 2 oz copper planes. The copper traces are 50mils. All components ...
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Motorcycle Regulator Rectifier using buck converter method
please help me as a beginner. (Maybe I will copy the same question on several forum sites to add references)
I am making a regulator rectifier (RR) for a motorbike that uses the buck converter method. ...
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Control loop of the switching power supply
How the control loop of the switching power supply dominates the tank circuit (output inductor and output capacitor)? And more importantly, why should the output tank circuit (L and C) dominate the ...
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Noise Issue on LM5164 Buck Converter Output During Battery Charging
I am using the LM5164QDDARQ1 buck converter to step down 52V from a lithium-ion battery to 5V at 1A for a battery charging application. My system also uses CAN communication to monitor the charging ...
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LM2678 regulator blew up during normal operation, trying to determine cause
I recently had an LM2678 switching DC regulator fail and I'm trying to figure out why. It was the 5V output version, with a 24V input voltage. The load at the time is difficult to estimate, but was ...
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How can I reduce inrush current and EMI in this board?
What is this board:
A power management board which is fed from 2 Hi-current Li-ion batteries and automatically switches between batteries in-order to remove one (to be charged elsewhere). Then the ...
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