Product description: S13V25F3 - step-up / step-down converter - 3.3 V 2.5 A - Pololu 4980
The Pololu S13V25F3 step-up / step-down converter is an advanced device used to effectively convert input voltages ranging from 2.8 V to 22 V to 3.3 V. It uses a buck-boost topology to increase or decrease the input voltage while maintaining high efficiency ranging from 85% to 95% . The converter is particularly useful in battery- powered projects where the voltage can fluctuate significantly during discharge. The device has a maximum continuous output current of 2.5 A to 3.5 A , depending on the input voltage, and offers a range of protection features such as reverse voltage protection, overload protection, overheating protection and soft start limiting the inrush current.
S13V25F3 - step-up / step-down converter - 3.3 V 2.5 A - Pololu 4980.
The device processes a wide range of input voltage and sets a constant value of 3.3 V.
Main features of the converter
- Efficiently converts input voltages from 2.8V to 22V to a stable 3.3V
- It offers typical efficiency of 85% to 95% depending on input voltage and load
- It allows operation with a maximum continuous output current from 2.5 A to 3.5 A
- It has an quiescent current ranging from 10 mA to 20 mA
- Protects against reverse voltage and overload
- Provides a soft-start function that limits the starting current
- Enables entry into a low power state with an idle current of 2 µA to 10 µA per volt
- It has undervoltage and overvoltage protection at the output
- It is characterized by compact dimensions, ideal for applications with limited space
- It ensures stable operation at a constant switching frequency of approximately 500 kHz
Applications of the converter
The Pololu S13V25F3 converter is used to maintain a stable 3.3 V voltage in battery-powered devices that are characterized by voltage fluctuations. The converter is also ideal for microcontroller and IoT projects where a reliable power source is needed at various input voltages. Due to its compact size, this device is also an excellent choice for portable electronic devices . Additionally, it is used to power various sensors and controllers , and due to its efficiency and reliability, it can be used in emergency power systems , ensuring the continuity of operation of important components.
The converter is suitable for applications with unstabilized voltage.
Elements included in the set.
Security available
The device has many security functions that guarantee the safety and stability of its operation. Reverse voltage protection is available and protects against damage when the input voltage is reversely connected, overload and overvoltage protection prevents damage caused by excessive current or voltage, and thermal protection shuts down the regulator in the event of overheating. Additionally, the soft start function limits the starting current, reducing the risk of damage.
S13V25F3 converter pins
The controller has two sets of through holes: five smaller holes arranged at 0.1" intervals along the edge of the board (for compatibility with standard breadboards and connectors using a 0.1" spacing between pins) and four larger holes intended for screw terminals with spacing 3.5mm.
- VOUT - output voltage 3.3 V
- GND - system ground
- VIN - input voltage from 2.8 V to 22 V
- EN - allows you to control the regulator's operation by setting it to low or high
S13V25F3 converter pins.
The product has a number of protective measures.
Technical specifications of the S13V25F3 converter
- Device type: step-up / step-down converter
- Input voltage: 2.8V to 22V
- Output voltage: 3.3V (with an accuracy of 4%)
- Typical maximum continuous output current: 2.5 A
- Maximum continuous output current range: 2.5 A to 3.5 A, depending on input voltage, temperature and other factors
- Maximum output current: 5.1 A
- Quiescent current range: 10 mA to 20 mA (2 µA to 10 µA if the device is turned off)
- Switching frequency: approx. 500 kHz
- System efficiency: 85% to 95%
- Protections: against reverse voltage up to 20V, overload, overvoltage, undervoltage and overheating
- Dimensions: 22.9 x 22.9 x 9.7 mm
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