Description:Switching Voltage Regulators SIMPLE SWITCHER® 3.8-V to 36-V, 1-A synchronous step-down converter in SOIC-8 package 8-SO PowerPAD -40 to 125
For optimal thermal performance, it is recommended to use a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer. This helps to dissipate heat efficiently. Additionally, ensure that the thermal vias are connected to the ground plane to reduce thermal resistance.
To ensure stability in high-current applications, it is essential to follow the recommended layout guidelines, use a sufficient number of vias to connect the thermal pad to the ground plane, and add a 10uF ceramic capacitor in parallel with a 1uF ceramic capacitor between the VIN and GND pins.
The LMR33610ADDAR is rated for operation up to 125°C ambient temperature. However, for reliable operation, it is recommended to keep the ambient temperature below 105°C to ensure a sufficient margin for thermal derating.
The LMR33610ADDAR is rated for a maximum input voltage of 36V. While it can tolerate some voltage transients, it is not recommended for high-voltage applications exceeding 42V. For high-voltage applications, consider using a voltage regulator with a higher voltage rating.
To minimize EMI, ensure that the PCB layout follows good electromagnetic compatibility (EMC) practices, such as keeping the switching node (SW) away from sensitive analog circuits, using a shielded inductor, and adding a common-mode choke if necessary.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
