R1810x Series 600 nA IQ Low Quiescent Current Boost DC/DC Converter for Energy Harvester
2023-08-07
●OVERVIEW
■R1810x is a boost DC/DC converter for electrical power storage devices, especially dedicated for 1 cell photovoltaic energy harvester since the start-up voltage is Typ.0.35V.
■This product can start up with only 9uW, and applicable for charging 1 cell photovoltaic element. A system which is working under low-illuminance environment can be composed with the R1810x.
●KEY BENEFITS
■Providing a low quiescent current (IQ_VOUT =Typ.600 nA), and high efficiency (66%@ IOUT =5 μA)
■Start up with low input energy, 9 μW (low illuminance) is possible.
■Maximum power point control function is built-in.
●KEY SPECIFICATIONS
■Start-up voltage: Typ. 0.35V
▲Max. 0.50V (0°C ≤ Ta ≤ 65°C),
▲Max. 0.55V (-40°C ≤ Ta ≤ 85°C)
■Input Voltage Range: 0.2 V to 2.1 V (V SET =2.7V)
■Output Voltage Range: 2.3 V to 4.5 V
■Output Voltage Accuracy: ±5.0%
■Low current consumption:
▲Typ.600 nA (Ta = 25°C, at no load)
■Start-up power: 9 μW (V MPSET = 0.5V / V SET = 2.6V)
■Maximum Power Point Control Voltage Setting:
▲from 0.2V to 2.1V , in 50 mV increments
■Input Power Good Function
■Output Power Good Function
■R1810x is a boost DC/DC converter for electrical power storage devices, especially dedicated for 1 cell photovoltaic energy harvester since the start-up voltage is Typ.0.35V.
■This product can start up with only 9uW, and applicable for charging 1 cell photovoltaic element. A system which is working under low-illuminance environment can be composed with the R1810x.
●KEY BENEFITS
■Providing a low quiescent current (IQ_VOUT =Typ.600 nA), and high efficiency (66%@ IOUT =5 μA)
■Start up with low input energy, 9 μW (low illuminance) is possible.
■Maximum power point control function is built-in.
●KEY SPECIFICATIONS
■Start-up voltage: Typ. 0.35V
▲Max. 0.50V (0°C ≤ Ta ≤ 65°C),
▲Max. 0.55V (-40°C ≤ Ta ≤ 85°C)
■Input Voltage Range: 0.2 V to 2.1 V (V SET =2.7V)
■Output Voltage Range: 2.3 V to 4.5 V
■Output Voltage Accuracy: ±5.0%
■Low current consumption:
▲Typ.600 nA (Ta = 25°C, at no load)
■Start-up power: 9 μW (V MPSET = 0.5V / V SET = 2.6V)
■Maximum Power Point Control Voltage Setting:
▲from 0.2V to 2.1V , in 50 mV increments
■Input Power Good Function
■Output Power Good Function
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