Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
ApplicationsConsumer ElectronicsIndustrial AutomationEnergy and Power SystemsRenewable Energy
PT5107A Information
PT5107A by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
This table gives cross-reference parts and alternative options found for PT5107A. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of PT5107A, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the input and output traces as short as possible. Additionally, it's recommended to use a common mode choke and a pi-filter to reduce EMI emissions.
To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, it's recommended to add a 10nF capacitor between the VCC pin and GND, and to use a low-ESR output capacitor.
The PT5107A can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent overheating.
The PT5107A is rated for operation up to 125°C, but it's recommended to derate the output current and voltage at high temperatures to prevent overheating and ensure reliable operation.
To troubleshoot issues, start by checking the input voltage, output voltage, and output current. Use an oscilloscope to check for oscillations or ringing on the output. Also, check the PCB layout and component values to ensure they match the recommended values in the datasheet.
