POLOLU 2891 Step Up Voltage Regulator U3V70F5 5V

( Brand: Pololu ), ( Manufacturer Part Number: 2891 ), ( Part Type: Voltage Regulator )

Review POLOLU 5v Step up Voltage Regulator

The U3V70F5 Pololu 5V Step-Up Voltage Regulator (Part Number 2891) is a compact and efficient solution for powering 5V devices from lower voltage sources. This voltage regulator is designed to step up voltage from a minimum input voltage of 1.8V to a maximum output voltage of 5V, making it an ideal choice for powering 5V electronics from battery supplies or other low-voltage sources.

The U3V70F5 features a constant-frequency buck regulator design, which ensures that the output voltage remains stable even as the input voltage changes. This regulator is also highly efficient, with an adjustable output voltage drop of 0.7V to 1.5V, which can help reduce heat dissipation and improve overall system efficiency. The regulator has an adjustable output current limit of up to 1A, which can be set using an external resistor, allowing you to fine-tune the output current to meet the specific needs of your application.

The U3V70F5 is housed in a compact SOT-23-5 package, making it easy to incorporate into your circuit design. This regulator is also available in a surface-mount version (U3V70F5-SM), which can save even more space in your circuit board layout. The regulator is compatible with both 5V and 3.3V logic levels, and it has an enable pin that allows you to turn the regulator on and off as needed.

In summary, the U3V70F5 Pololu 5V Step-Up Voltage Regulator is a versatile and efficient solution for powering 5V devices from lower voltage sources. Its adjustable output voltage and current limit, along with its compact size and surface-mount option, make it a great choice for a wide range of applications. Whether you're powering a microcontroller, LED display, or other 5V device, the U3V70F5 can help ensure that your power supply is reliable and efficient.

1. Compact size: This regulator is small and lightweight, making it easy to integrate into various electronic projects.

2. Wide input voltage range: The U3V70F5 can handle input voltages from 2.5V to 28V, making it versatile for use with a variety of power sources.

3. Adjustable output voltage: The output voltage can be adjusted from 1.2V to 5.5V, allowing you to power different devices with different voltage requirements.

4. Low dropout voltage: The U3V70F5 has a low dropout voltage of 0.3V, ensuring that the output voltage remains stable even when the input voltage drops.

5. High efficiency: This regulator has an efficiency of up to 93%, which means less heat is generated and more power is delivered to the load.

1. Limited current output: The U3V70F5 has a maximum current output of 700mA, which may not be sufficient for high-power applications.

2. No built-in protection circuits: The regulator does not have built-in protection circuits such as thermal shutdown or overcurrent protection, so it may require additional components to be added for safety.

The U3V70F5 Pololu 5V Step-Up Voltage Regulator (2891) is a good choice for small-scale electronic projects that require a step-up voltage regulator with a wide input voltage range and adjustable output voltage. Its low dropout voltage and high efficiency also make it a good option for applications where power efficiency is important. However, its limited current output and lack of built-in protection circuits may be a drawback for some users.

If you need a step-up voltage regulator with a higher current output or built-in protection circuits, you may want to consider other options. However, if you are looking for a compact and versatile step-up voltage regulator for small-scale projects, the U3V70F5 Pololu 5V Step-Up Voltage Regulator (2891) is a good choice.

Details:

Features true shutdown option turns off power to the load typical efficiency of 80 95, depending on input voltage and see efficiencies output currents section below for performance graphs reverse protection short-circuit with hiccup recovery over-temperature shutoff under- voltage lockout thresholds are 6 prime this regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load.

6 prime v rising cycle-by-cycle input current limiting to 10 a two mounting holes for 2 or m2 screws smaller. 4 v falling, 1 prime header pins and larger holes for terminal blocks offer several options connecting to the board specifications minimum operating voltage : 9 v while using an input current as high 8.

part #: 2891 price

• $34.99

specifications voltageregula:

• brand: Pololu
• mpn: 2891
• part type: Voltage Regulator

Offer voltageregula:

• quantity: 3
• bids: 0
• best offer: false
• Started: September 25, 2018, 11:26 am
• Sold: 0

Returns voltageregula:

• time: 30 Days
• type: Money Back
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• paid by: Buyer

Ratings:

1. Great Sale 09-25-18
2. Fast shipping. Great product. 09-25-18
3. Parfait ! 09-25-18
4. A 09-24-18
5. Bestens gelaufen 09-25-18

Seller voltageregula:

• zipcode: 05488
• city: Swanton, Vermont

General voltageregula:

• business industrial > electrical test equipment > electronic components business industrial > voltage regulators electronic components
• condition: New
• in stock: Yes

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Shipping voltageregula:

• cost: $9.0
• type: Flat
• handling: 1 days

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