Step-Up Voltage Regulator U1V10F5 - 5V 1,2A - Pololu 2564

Index: PLL-01891 EAN: 5904422308209

Step-up converter with 5 V output voltage. Maximum input current up to 1.2 A. Supply voltage in the range 0.5 V - 5.5 V.

Step-Up Voltage Regulator U1V10F5 - 5V 1,2A - Pololu 2564
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Manufacturer: Pololu

Product description: U1V10F5 - 5V 1.2A step-up converter - Polol 2564.

A controller that increases the voltage from 0.5 to 5.5 V to a fixed 5 V value. When 5 V is exceeded at the input, the system automatically switches torope mode of the voltage reducing regulator. The efficiency of the inverter is 70 - 90 % depending on the specified input voltage. To protect against overheating, the module switches off automatically when its temperature exceeds 140°C. Wealso offer a version withanoutputvoltageof 3.3 V.


The module has three outputs:

The connectors are properly signed on the board. 2.54 mm leadout Raster - popular connectorsgoldpin, allow the module to be mounted incontact plateorconnectionby means ofcables.

System efficiency

Efficiency is defined as the ratio of output power to input power (Power out)/(Power in). This is a very important parameter when working with portable energysources(batteries and accumulators), where the time of operation on one charging cycle counts. The efficiency of this pulse system is about 70 % - 90 %. The output current depends on the input voltage, details on the diagram:

Efficiency and output current of the system at 5 V output voltage.

Dangerous voltage pulses

When connecting the power supply to the module, dangerous, short, high amplitude eclectic impulses (so-called pins) may appear, which may permanently damage the system. Polol's tests show that for input voltage above 4.5 V, the pins may have an amplitude high enough to damage the module. In order to protect against this unwanted phenomenon it is recommended to solder a capacitor of at least 33 uF as close as possible to the pins powering the converter.

U1V10F5 inverter specification

  • Input voltage: 0.5 V to 5.5 V
  • Output voltage: 5 V
  • Maximuminputcurrent: 1,2 A
  • Output current: dependent on input voltage -see graph
  • Accuracy of output voltage: 4 %
  • System efficiency: 70 - 90 %
  • Integrated shutdown system for inverters at too high an operating temperature
  • Dimensions: 11.5 x 8.9 x 3 mm
  • Weight (without connectors): 0.5 g

Length 12 mm
Width 9 mm
Height 3 mm
Voltage to 0.5 V
Voltage from 5.5 V
Voltage output from 5.0 V
Output voltage to 5.0 V
Nominal output voltage 5.0 V
Current 1.2 A
Stabilizer - Type2 switching
Stabilizer - Type step-up
Package width 4 cm
Package height 5 cm
Package depth 0.1 cm
Package weight 0.002 kg

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Step-Up Voltage Regulator U1V10F5 - 5V 1,2A - Pololu 2564


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Michał D. 22.08.2021 Confirmed purchase Translated review
A tiny and efficient step up converter. Checked on the 3.7V battery outlet.

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