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D24V22Fx Step-Down Voltage Regulators
The D24V22Fx family of step-down voltage regulators generates lower output voltages from input voltages as high as 36 V. They are synchronous switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters) with typical efficiencies of 85% to 95%, which is much more efficient than linear voltage regulators, especially when the difference between the input and output voltage is large. These regulators can typically support continuous output currents of over 2 A, though the actual available output current is a function of the input voltage and efficiency (see the efficiency graphs on the product pages).
The modules have built-in reverse-voltage protection, short-circuit protection, a thermal shutdown feature that helps prevent damage from overheating, and a soft-start feature that reduces inrush current.
Six different fixed output voltages are available:
Alternatives available with variations in these parameter(s): output voltage Select variant…
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Products in category “D24V22Fx Step-Down Voltage Regulators”
| Pololu item #: 2857 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
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This small synchronous switching step-down (or buck) regulator takes an input voltage from 4 V to 36 V and efficiently reduces it to 3.3 V. The board measures only 0.7″ × 0.7″ yet delivers typical continuous output currents between 2 A and 2.6 A, depending on the input voltage, which makes this regulator well suited for powering moderate loads like sensors or small motors. An optional enable input can be used to put the regulator in a low-power state with a current draw of 5 µA to 10 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output indicates when the regulator cannot adequately maintain the output voltage.
| Pololu item #: 2858 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
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This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.7″ yet delivers typical continuous output currents between 1.9 A and 2.5 A, depending on the input voltage, which makes this regulator well suited for powering moderate loads like sensors or small motors. An optional enable input can be used to put the regulator in a low-power state with a current draw of 5 µA to 10 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output indicates when the regulator cannot adequately maintain the output voltage.
| Pololu item #: 2859 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
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This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36 V and efficiently reduces it to 6 V. The board measures only 0.7″ × 0.7″ yet delivers typical continuous output currents between 1.8 A and 2.5 A, depending on the input voltage, which makes this regulator well suited for powering moderate loads like sensors or small motors. An optional enable input can be used to put the regulator in a low-power state with a current draw of 5 µA to 10 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output indicates when the regulator cannot adequately maintain the output voltage.
| Pololu item #: 2860 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
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This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36 V and efficiently reduces it to 7.5 V. The board measures only 0.7″ × 0.7″ yet delivers typical continuous output currents between 1.6 A and 2.4 A, depending on the input voltage, which makes this regulator well suited for powering moderate loads like sensors or small motors. An optional enable input can be used to put the regulator in a low-power state with a current draw of 5 µA to 10 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output indicates when the regulator cannot adequately maintain the output voltage.
| Pololu item #: 2861 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
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This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36 V and efficiently reduces it to 9 V. The board measures only 0.7″ × 0.7″ yet delivers typical continuous output currents between 1.5 A and 2.3 A, depending on the input voltage, which makes this regulator well suited for powering moderate loads like sensors or small motors. An optional enable input can be used to put the regulator in a low-power state with a current draw of 5 µA to 10 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output indicates when the regulator cannot adequately maintain the output voltage.
| Pololu item #: 2855 | |
| Brand: Pololu | supply outlook |
| Status: Rationed (Active and Preferred) | |
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This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36 V and efficiently reduces it to 12 V. The board measures only 0.7″ × 0.7″ yet delivers typical continuous output currents between 1.4 A and 2.2 A, depending on the input voltage, which makes this regulator well suited for powering moderate loads like sensors or small motors. An optional enable input can be used to put the regulator in a low-power state with a current draw of 5 µA to 10 µA per volt on VIN. The regulator also features reverse voltage protection and a power-good output indicates when the regulator cannot adequately maintain the output voltage.
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