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Step-Up Voltage Regulator U1V11F5 - 5V 1,2A - Pololu 2562
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. The system has a standby mode.
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Product description: U1V11F5 - 5V 1,2A step-up converter - Polol 2562.
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 to rope mode of the voltage reducing regulator. The efficiency of the inverter is 70 - 90 % depending on the specified input voltage. The system has a standby mode, which is switched on by giving a low state to the SHDN output. We also offer a versionwith an output voltage of 3.3 V.
Outputs
The module has three outputs:
Outputs
- VIN: input voltage from 0.5 V to 5.5 V, please pay attention toshort voltage pulses that can damage the system
- GND: mass potential
- VOUT - output voltage
- SHDN - system shutdown - low state, which makes the system go into low power consumption state. The output is pulled to the VIN via a 100 kΩ resistor, which makes the system switched on by default. If the pin is not used, it can be left unconnected or connected to an adjacent VIN. Otherwise, follow the instructions below:
- For VIN < 0.8 V, the voltage value at SHDN must be below 0.1 * VIN to lock the controller and above 0.9 * VIN to unlock it.
- For 0.8 V ≤ VIN ≤ 1.5 V, the voltage value at SHDN must be below 0.2 * VIN to lock the controller and above 0.8 * VIN to unlock it.
- For VIN >11.5 V , the voltage value at SHDN must be below 0.4 V to lock the controller and above 1.2 V to unlock it.
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Efficiency and output current of the system at 5 V output voltage.
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:
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. According to Polol's tests, for input voltages 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.
U1V11F5 inverter specification
- Input voltage: 0.5 V to 5.5 V
- Output voltage: 5 V
Specifications
- Maximum input current: 1,2 A
- Output current: dependent on input voltage - see graph
- Accuracy of output voltage: 4 %
- System efficiency: 70 - 90 %
- Standby state: SHDN output
- Integrated shutdown system for inverters at too high an operating temperature
- Dimensions: 15.3 x 11.5 x 3 mm
- Weight (without connectors): 0.7 g
VOUT -output voltage
SHDN -system shutdown - low state, which makes the system go into low power consumption state. The output is pulled to the VIN via a 100 kΩ resistor, which makes the system switched on by default. If the pin is not used, it can be left unconnected or connected to an adjacent VIN. Otherwise, follow the instructions below:
Useful links
| Name | Value |
|---|---|
| Length | 15 mm |
| Width | 12 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 |
| Width | 5 cm |
| Height | 5 cm |
| Depth | 0.5 cm |
| Weight | 0.002 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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