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SP828EK Datasheet(PDF) 1 Page - Sipex Corporation |
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SP828EK Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 16 page 1 SP828DS/03 SP828/829 High Efficiency Voltage Inverters © Copyright 1999 Sipex Corporation s 99.9% Voltage Conversion Efficiency s +1.5V to +5.5V Input Voltage Range s +1.25 V IN Guaranteed Start-up s Inverts Input Supply Voltage s Low EMI Voltage Inverter s 50 µA Quiescent Current for the SP828 s 130 µA Quiescent Current for the SP829 s 25mA Output Current s Indefinite Output Short Circuit to GND s Low 20 Ω Output Resistance s 12kHz Operating Frequency for the SP828 s 35kHz Operating Frequency for the SP829 s Pin Compatible Enhancement to MAX 828/829, TC828/829 s 5-pin SOT23 Package High Efficiency Voltage Inverters SP828/829 DESCRIPTION The SP828/829 devices are CMOS Charge Pump Voltage Inverters that can be implemented in designs requiring a negative voltage from a +5V supply. The SP828/829 devices are ideal for both battery-powered and board level voltage conversion applications with a typical operating current of 50 µA for the SP828 and 130µA for the SP829. Both devices can output 25mA with a voltage drop of 500mV. These devices combine a low quiescent current with high efficiency (>95% over most of its load-current range). The SP828/829 provide a stable operating frequency, low output resistance and low EMI to enhance performance of critical analog circuitry. The SP828/829 devices are available in a space-saving 5-pin SOT23 Package. C1- VOUT VIN C1+ GND SP828 SP829 5 3 2 1 4 SIGNAL PROCESSING EXCELLENCE |
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