MAXIM INTEGRATED PRODUCTS
DC/DC Adjustable Charge Pump Voltage Converter, 3.5V to 16.5V in, 14.5V to 27.5V/25 mA out, NSOIC-8
DC/DC Adjustable Charge Pump Voltage Converter, 3.5V to 16.5V in, 12.5V to 27.5V/25 mA out, DIP-8