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Pololu 798 - Pololu 5V Boost Regulator NCP1402
ID: 195431
Pololu 5V Boost Regulator NCP1402
Pololu 5V Boost Regulator NCP1402
This extremely compact boost regulator generates 5 V from voltages as low as 0.8 V and delivers up to 200 mA, making it perfect for powering small 5V electronics projects from 1 to 3 NiMH, NiCd, or alkaline cells or from a single lithium-ion cell.
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Overview
This tiny boost switching regulator is based on the NCP1402 boost regulator IC. Its small dimensions of just 0.33" x 0.5" (8.4 x 12.7 mm) and a startup voltage of down to 0.8 V make it easy to build 5 V circuits that are powered by lower battery voltages. The available output current and output voltage ripple depend on the input voltage. With a 0.8 V input, approximately 5 mA are available before the output voltage begins dropping. The full 200 mA output can be realized from input voltages over approximately 2.7 V. With low input voltages, the output voltage ripple is under 40 mV peak-to-peak; close to 5 V, the output ripple quickly climbs to 150 mV peak-to-peak. Therefore, adding capacitance from the output to ground is recommended for noise-sensitive applications with input voltages close to 5 V.
Some example applications include:
- Powering 5 V systems from lower-voltage batteries.
- Powering 5 V subsystems (e.g. sensors) in lower-voltage (e.g. 3.3 V) systems.
Using the Boost Regulator
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The boost regulator has just three connections: the input voltage, ground, and the output voltage. These three connections are labeled on the back side of the PCB, and they are arranged with a 0.1" spacing along the edge of the board for compatibility with standard solderless breadboards and perfboards and connectors that use a 0.1" grid. You can solder wires directly to the board or solder in either the 3×1 straight male header strip or the 3×1 right-angle male header strip that is included.
Feature summary
- operating voltage: 0.8 V to 5.0 V
- 5.0 V output with 2.5% accuracy
- small size: 8.4 x 12.7 x 3.8 mm (0.33" x 0.50" x 0.15")
- weight without header pins: 0.6 g (0.02 oz)
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| 5V boost regulator NCP1402 schematic diagram. |
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People often buy this product together with:
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Pololu Pushbutton Power Switch LV |
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Pololu Adjustable Boost Regulator 2.5-9.5V |
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Pololu Adjustable Boost Regulator 4-25V |
195431
Manufacturer
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
Responsible person
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
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Pololu 5V Boost Regulator NCP1402