
( Brand: Pololu ), ( Manufacturer Part Number: 2890 ), ( Part Type: Voltage Regulator )
The Pololu Fine-Adjust Step-Up Voltage Regulator U3V70A (Part Number 2890) is a versatile and precise voltage regulator that can be used to increase input voltage levels within a wide range. This regulator is designed to operate from an input voltage of 4.5V to 20V, making it suitable for a variety of power sources.
The U3V70A is a fine-adjust regulator, which means it provides precise voltage output adjustment with a 100:1 adjustment range. This feature allows you to fine-tune the output voltage to meet your specific application requirements, providing excellent control over the power supply. The adjustment is made using an external potentiometer, which can be calibrated to your desired output voltage.
The regulator features a low dropout voltage of 3V at 1A, ensuring efficient operation and minimal power loss. It also has a typical efficiency of 85% at 1A, making it an energy-efficient choice for your power supply needs. The U3V70A is designed to deliver a maximum continuous output current of 1A, making it suitable for low to medium power applications.
The regulator is compact and easy to use, with a tiny 12mm x 12mm x 5mm footprint. It is surface-mount suitable, with an exposed pad layout that allows for easy PCB mounting. The regulator is also equipped with thermal shutdown protection, ensuring safe operation by shutting down the output when the device temperature exceeds certain limits.
The U3V70A is a highly reliable and easy-to-use step-up voltage regulator, suitable for a wide range of applications, including robotics, hobby projects, and other low to medium power applications. Its precision adjustment, low dropout voltage, and high efficiency make it an excellent choice for applications that require a stable and precise voltage supply.
Pros of buying a Pololu U3V70A 4.5-20V Fine-Adjust Step-Up Voltage Regulator (Part #2890):1. Precision: The regulator provides a fine adjustment range of 3.0V to 7.0V, making it ideal for applications that require a stable and precise output voltage.
2. Wide Input Voltage Range: The regulator can operate with input voltages ranging from 4.5V to 20V, allowing it to be used with a wide variety of power sources.
3. Low Noise: The regulator has a noise specification of less than 100 V, making it suitable for applications that require low noise output.
4. Compact Size: The regulator is small in size, making it easy to incorporate into a variety of projects.
5. Cost-Effective: The regulator is relatively inexpensive compared to other precision voltage regulators, making it a cost-effective option for many applications.
Cons of buying a Pololu U3V70A 4.5-20V Fine-Adjust Step-Up Voltage Regulator (Part #2890):1. Limited Output Current: The regulator has a maximum output current of 1A, which may not be sufficient for high-power applications.
2. Requires External Filtering: The regulator does not have built-in filtering, so external filtering may be required to achieve optimal performance.
3. Limited Operating Temperature Range: The regulator has a maximum operating temperature of 125 C, which may not be suitable for high-temperature applications.
Conclusion:The Pololu U3V70A 4.5-20V Fine-Adjust Step-Up Voltage Regulator (Part #2890) is a cost-effective and compact solution for applications that require a stable and precise output voltage within a wide input voltage range. While the regulator has some limitations, such as a limited output current and operating temperature range, it is an excellent option for many low-power applications that require fine voltage adjustment.
Recommendation:If you are looking for a fine-adjust step-up voltage regulator with a wide input voltage range and a cost-effective price, the Pololu U3V70A 4.5-20V Fine-Adjust Step-Up Voltage Regulator (Part #2890) is a great choice. However, if you require a higher output current or a wider operating temperature range, you may want to consider other options available in the market.
6 prime 20v whats included 1 x Pololu 4. Pololu fine-adjust step-up voltage regulator U3V70A operating voltage : 9 v maximum operating voltage : 20 input current: 10 a minimum output 4. 5-20v fine-adjust step-up voltage regulator U3V70A dimensions 0.
9 v while using an input current as high 8. Specifications minimum operating voltage : v output type: adjustable 4. This regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load. 5 v to 20 from an input voltage as low 2.