The maximum input voltage that can be applied to the TPS61045DRBRG4 is 5.5V, as specified in the absolute maximum ratings section of the datasheet. However, it's recommended to operate the device within the recommended operating conditions, which is up to 5V, to ensure reliable operation and prevent damage to the device.
To ensure the TPS61045DRBRG4 is stable and doesn't oscillate, follow the layout guidelines provided in the datasheet, such as keeping the input and output capacitors close to the device, using a low-ESR output capacitor, and minimizing the loop area of the power traces. Additionally, ensure that the input voltage is within the recommended operating range and that the device is properly decoupled.
The TPS61045DRBRG4 is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's essential to consider the device's thermal characteristics, such as the junction-to-ambient thermal resistance, and ensure that the device is properly heat-sinked and operated within its recommended operating conditions.
The output voltage of the TPS61045DRBRG4 can be calculated using the formula: VOUT = VREF x (1 + R1/R2), where VREF is the internal reference voltage (1.2V), and R1 and R2 are the resistors used to set the output voltage. The datasheet provides a detailed explanation of the output voltage calculation and the recommended resistor values.
The TPS61045DRBRG4 is a switching regulator, which can generate noise and ripple on the output voltage. While the device has a built-in switching frequency of 2.2 MHz, which helps to reduce noise, it may not be suitable for powering extremely noise-sensitive loads. Additional filtering or noise reduction techniques may be necessary to ensure the load operates correctly.
TPS61045DRBRG4 datasheet
by Texas Instruments
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