Pololu 12V Step-Up Voltage Regulator U3V70F12 - High-Power Boost

Raise Low Input Voltage with 12V Step-Up Voltage Regulator U3V70F12 The 12V Step-Up Voltage Regulator U3V70F12 boosts a lower DC input up to a regulated output, making it useful when your source voltage falls below the level your load needs. It works well in battery builds, portable electronics, and small robots where input voltage can sag over time. Important: Choose a regulator based on your full input-voltage range, startup current, thermal limits, and required headroom. Real output current depends on input voltage, airflow, and temperature. Why you'll love it Wide low-voltage input: boosts from 2.9V to 12V input into a stable 12V output High-current switch: actively limits instantaneous input current to 10A ; input current can typically be as high as 7–8A for several… Efficiency: typically 80%–95% (depends on VIN and load) Protections: reverse voltage protection, short-circuit protection with hiccup recovery, over-temperature shutdown, and under-voltage… Compact: 40.6 × 15.2 × 4.6mm , about 3.5g , with mounting holes for #2/M2 screws Do NOT feed VIN above 12V: VIN should not exceed VOUT What you can build Useful for battery projects, portable devices, LED systems, and electronics that need a higher rail from a lower source voltage. Compare regulator options Model Topology Output Max current U3V70F12 Boost 12 V — D24V22F12 Buck 12 V 2.2 A D36V28F12 Buck 12 V 2.4 A S13V25F12 Buck-Boost 12 V 2.5 A D42V55F12 Buck 12 V 4.5 A D24V150F12 Buck 12 V 15 A U3V16F12 Boost 12 V — Technical specifications Product 12V Step-Up Voltage Regulator U3V70F12 Brand Pololu Model U3V70F12 Category DC-DC Step-Up Regulator Topology Step-Up (Boost) Output Voltage 12 V Support Official Pololu product search and support resources linked below Official resources Find this product on Pololu | Pololu support and resources What’s in the box 1 × 12V Step-Up Voltage Regulator U3V70F12 Frequently Asked Questions Can I power a microcontroller with this? Yes, if the regulator’s output voltage and current match your controller and all attached loads. Will it run cool at full load? It depends on input voltage, airflow, and load current. Check thermal limits in the official Pololu resources. Is this better than a linear regulator? For many builds, yes. Switching regulators are usually more efficient and waste less heat.