The recommended layout and placement for the TPS3839G12DBZR involves placing the device close to the power source, using a solid ground plane, and keeping the input and output capacitors close to the device. Additionally, it is recommended to use a low-ESR capacitor for the input capacitor and to minimize the distance between the device and the load.
The choice of input and output capacitors for the TPS3839G12DBZR depends on the specific application requirements. In general, a low-ESR capacitor with a high ripple current rating is recommended for the input capacitor, while a capacitor with a high capacitance value and low ESR is recommended for the output capacitor. The datasheet provides guidelines for capacitor selection.
The maximum ambient temperature range for the TPS3839G12DBZR is -40°C to 125°C. However, the device can operate at a junction temperature of up to 150°C.
The power dissipation of the TPS3839G12DBZR can be calculated using the formula: Pd = (Vin - Vout) x Iout x Efficiency. The datasheet provides more information on how to calculate power dissipation.
The recommended input voltage range for the TPS3839G12DBZR is 2.7V to 5.5V. However, the device can operate with an input voltage as low as 2.5V, but with reduced performance.
TPS3839G12DBZR datasheet
by Texas Instruments
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