Toshiba recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat. A minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane to reduce thermal resistance.
To ensure reliability, Toshiba recommends operating the L1Q within the specified temperature range (-40°C to 150°C). Additionally, a thermal design that minimizes thermal resistance and ensures good heat dissipation is crucial. It's also important to follow proper soldering and assembly procedures to prevent thermal stress.
The maximum allowed voltage on the input pins of the TPCA8120 is 5.5V, which is the absolute maximum rating. However, for normal operation, the recommended input voltage range is 4.5V to 5.5V.
Yes, the L1Q can be used in switching regulator applications. However, it's essential to ensure that the device is operated within the specified frequency range (up to 2MHz) and that the output voltage is within the recommended range (up to 40V). Additionally, proper layout and decoupling are crucial to minimize electromagnetic interference (EMI).
Toshiba recommends powering up the TPCA8120 and L1Q in a specific sequence to prevent damage or malfunction. The recommended power-up sequence is: VCC, then VIN, and finally EN (enable) pin. The power-down sequence should be reversed.
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TPCA8120,L1Q Overview
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