SI7661ESA+

The SI7661ESA+ is a CMOS voltage converter in 8 pin NSOIC package. This monolithic charge pump voltage inverter will convert a positive voltage in the range of +4.5V to +20V to -4.5V to -20V. The IC provides performance far superior to previous implementations of charge pump voltage inverter by combining low quiescent current with high efficiency. It has an oscillator, control circuitry and 4 power MOS switches on-chip with the only required external components being two low cost capacitors. It is used in inexpensive negative supplies, data acquisition systems, supply splitter, Vout=Vs/2 and RS232 power supplies.

• Supply voltage range is 4.5V to 20V
• Operating temperature range from -40°C to 85°C
• Maximum supply current of 150μA at TA = 25°C, V+=5V
• Cascaded voltage multiplication (Vout = -n x V⁺)
• Typical open circuit conversion efficiency is 99.7%
• Pin compatible with the ICL7660

Notas

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party