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R-78S Datasheet(PDF) 1 Page - Recom International Power |
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R-78S Datasheet(HTML) 1 Page - Recom International Power |
1 / 5 page I-1 REV.: 0/2017 www.recom-power.com DC/DC Converter 3 YEAR warranty 3 Specifications (measured @ ta= 25°C, 1.5Vin , full load after warm up unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Minimum Start-up Voltage 0.8VDC Input Voltage Range 40mA (continuous) 100mA 0.65VDC 1.5VDC 3.15VDC No Load Power Consumption 240µW Under Voltage Lockout DC-DC OFF 0.4VDC Quiescent Current 160µA Start-up time 2ms Rise Time 800µs Internal Operating Frequency 1200kHz Minimum Load 0% Dropout Voltage 150mV Output Ripple and Noise 20MHz BW 100mVp-p ON/OFF CTRL DC-DC ON DC-DC OFF Open or 0.7V ≤ VCTRL<Vin Short to GND or VCTRL<0.1V Standby Current 7µA continued on next page Description The R-78S is a DC/DC boost converter designed to run from single cell batteries. The input voltage range of 0.65V-3.15V means that alkaline, NiCd, NiMH, zinc-carbon or lithium chemistry cells can be used to generate a stable 3.3V output to power microprocessors, WLAN/Bluetooth modules and IoT systems. The very high efficiency and low standby consumption can be used to extend battery lifetimes until the „last gasp“ to get the maximum available energy out of the cell. The wide operating temperature of -40°C to +100°C, short circuit protection, OTP, Class A EMC and 3-year warranty round off this high performance converter. Features Switching Regulator • Boost Converter • Efficency 93% , >80% With 10% Load • Input Range Down To 0.65V • Continuous Short Circuit Protection • 7µA Input Current In Standby • -40°C To +100°C Operation • EN62368-1 + AM2 (pending) 0.1 Amp SIP4 Single Output R-78S Selection Guide Part Input Output Max. Output Efficiency (1) Max. Capacitive Number Voltage Range Voltage Current @ min Vin @ max. Vin Load (2) [VDC] [VDC] [mA] [%] [%] [µF] R-78S3.3-0.1 0.65-3.15 3.3 100 92 93 100 EN62368-1 (pending) EN55022 compliant Notes: Note1: Efficiency is tested by 1.5V input voltage and full load. Note2: Max. Cap Load is tested by nominal input and full resisitive load. |
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