Features: 99.9% Voltage Conversion Efficiency +1.15V to +4.2V Input Voltage Range+1.15 VIN Guaranteed Start-up Inverts Input Supply Voltage 20mA Quiescent Current for the SP6828 40mA Quiescent Current for the SP6829 25mA Output Current 12kHz Operating Frequency for the SP6828 35kHz Operating Frequ...
SP6829: Features: 99.9% Voltage Conversion Efficiency +1.15V to +4.2V Input Voltage Range+1.15 VIN Guaranteed Start-up Inverts Input Supply Voltage 20mA Quiescent Current for the SP6828 40mA Quiescent Curre...
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These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
VIN...................................................................................................+4.5V
VOUT.................................................................................................-4.5V
VOUT Short Circuit to GND.................................................Indefinite
IOUT...................................................................................................50mA
Storage Temperature.....................................................-65°C to +150°C
Power Dissipation (TAMB=+70°C).................................................571mW
Lead Temperature (Soldering)....................................................300oC
ESD Rating...............................................2kV Human Body Model
The SP6828/6829 devices are CMOS Charge Pump Voltage Inverters that can be implemented in designs requiring a negative voltage from a +3V battery source. The SP6828/ 6829 devices are ideal for both battery-powered and board level voltage conversion applications with a typical operating current of 20mA for the SP6828 and 40mA for the SP6829. 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), which is ideal for designs using +3.3V or +3.6V lithium ion batteries. Applications include cell phones, PDAs, medical instruments and other portable equipment. The SP6828/6829 devices are available in a space-saving 5-pin SOT23 Package.