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Description
Pololu Step-Down Voltage Regulator 15V, 2.7A D30V30F15
Highly efficient switching design
Protective features included
Fixed 15V output with 4% accuracy
Compact 0.7" x 0.8" size
The Pololu Step-Down Voltage Regulator 15V, 2.7A D30V30F15 is a synchronous buck voltage regulator designed to produce lower output voltages from input voltages up to 45 V. These regulators are highly efficient due to their switching regulator design, which is significantly more effective than linear voltage regulators, particularly when there is a large disparity between input and output voltages. The device is capable of supporting continuous output currents ranging from 1 A to 4 A, with the available output current decreasing as the input and output voltages increase.
This model is equipped with several protective features, including reverse voltage protection up to 40 V, input under-voltage lockout, over-current protection, and short-circuit protection. Additionally, it incorporates a thermal shutdown mechanism to prevent damage due to overheating and a soft-start feature to limit inrush current and ensure a gradual increase in output voltage upon startup.
The D30V30F15 model outputs a fixed 15 V and offers an output voltage accuracy of 4%. It boasts a typical efficiency of 80% to 95%, which varies based on the input voltage, output voltage, and load. The regulator operates at a switching frequency of approximately 700 kHz under heavy loads and includes a power-save mode to enhance light load efficiency by reducing the switching frequency. It also features a low quiescent current and an enabled input with a precise cutoff threshold for disconnecting the load and putting the regulator into a low-power state. A "power good" output is provided to indicate when the regulator cannot maintain the output voltage adequately. Furthermore, the device employs frequency spread spectrum operation to reduce peak EMI noise.
The compact size of the regulator allows for easy integration into a variety of applications. It includes six connections for power good, enable, input voltage, output voltage, and two ground connections. The "power good" indicator is an open-drain output that signals when the output voltage deviates significantly from the nominal voltage, and an external pull-up resistor is required for this function. The regulator is enabled by default but can be put into a low-power sleep state by adjusting the voltage on the enable pin.
During normal operation, this product can become hot enough to cause burns. Caution should be exercised when handling this product or any components connected to it.
1x Pololu Step-Down Voltage Regulator 15V, 2.7A D30V30F15
1x 6x1 Straight male header strip
1x 5x1 Right-angle male header strip
0.7 x 0.8 x 0.355 inch / 17.8 x 20.3 x 9 mm (L x W x H)
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