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Ricoh Electronic Devices Company R1810 600nA IQ Boost DC/DC Converters are boost DC/DC converters featuring a typical start-up voltage of 0.35V. Ricoh R1810 is designed for electrical power storage devices, especially 1-cell photovoltaic (PV) energy harvesters. The R1810 can start up with 9µW, making it ideal for charging a 1-cell PV element. R1810 can be used in a system working under a low-illuminance environment.
Features
- Low quiescent current [600nA typical (IQ_VOUT)]
- High efficiency (66% at IOUT = 5μA)
- Startup with low input energy, 9μW (low illuminance)
- Built-in maximum power point control function
Applications
- Energy harvesting modules, especially 1-cell PV
- Thermoelectric power generation
Specifications
- 0.35V typical start-up voltage
- 0.2V to 2.1V input voltage range
- 2.3V to 4.5V output voltage range
- ±5.0% output voltage accuracy
- Input power good function
- Output power good function
Application Schematic
more information: https://www.n-redc.co.jp/en/products/dc-dc-switching-regulator/spec/?product=r1810
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