The D30V30MAx family of buck (step-down) voltage regulators are compact, adjustable-output members of the larger D30V3x line of synchronous regulators. They generate lower output voltages from input voltages as high as 45 V and can typically support continuous output currents between 1 A and 4 A, depending on the input voltage and output voltage. They also have very low dropout voltages.
The output voltage is precision adjustable through an 11-turn potentiometer, and each version is available with or without an adjustable low-voltage cutoff (also set through a precision 11-turn potentiometer).
The regulators have reverse voltage protection up to 40 V, input under-voltage lockout, over-current protection, and short-circuit protection. A thermal shutdown feature also helps prevent damage from overheating and a soft-start feature limits the inrush current and gradually ramps the output voltage on startup.
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Products in category “D30V30MAx Fine-Adjust Voltage Regulators”
| Output voltage range |
Typical max current output1 |
Input voltage range2 |
Low-voltage cutoff |
| 4.2 V – 15 V |
3 A |
4.2 V – 45 V |
adjustable |
1 Typical continuous output current at 30 V in and 9 V out. Actual achievable continuous output current is a function of input and output voltages and is limited by thermal dissipation. See the output current graph on the product page for more information.
2 Input voltage must be higher than the output voltage and is subject to dropout voltage considerations; see the dropout voltage section of product pages for more information.
| Output voltage range |
Typical max current output1 |
Input voltage range2 |
Low-voltage cutoff |
| 4.2 V – 15 V |
3 A |
4.2 V – 45 V |
none |
1 Typical continuous output current at 30 V in and 9 V out. Actual achievable continuous output current is a function of input and output voltages and is limited by thermal dissipation. See the output current graph on the product page for more information.
2 Input voltage must be higher than the output voltage and is subject to dropout voltage considerations; see the dropout voltage section of product pages for more information.
