MAX860ISA+T Application Note - Maxim Integrated

50mA, Frequency-Selectable, Switched-Capacitor Voltage ConvertersInductorless Inverter/Positive Doubler Switches Up to 250kHz

* 8Pin, 1.11mm High µMAX Package * Invert or Double the Input Supply Voltage * Three Selectable Switching Frequencies * High Frequency Reduces Capacitor Size * 87% Efficiency at 50mA * 200μA Quiescent Current (MAX860) * 1μA Shutdown Supply Current * 600mV Voltage Drop at 50mA Load * 12Ω Output Resistance

Charge Pump INV/STPUP -5.5V to -1.5V/5V to 11V 100mA 8Pin uMAX T/R

Charge Pump INV/STPUP -5.5V to -1.5V/5V to 11V 100mA 8Pin SOIC N T/R

USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50m Ohm Battery Switch in TDFN

Charge Pump INV/STPUP -5.5V to -1.5V/5V to 11V 100mA 8Pin SOIC N

* 8Pin, 1.11mm High µMAX Package * Invert or Double the Input Supply Voltage * Three Selectable Switching Frequencies * High Frequency Reduces Capacitor Size * 87% Efficiency at 50mA * 200μA Quiescent Current (MAX860) * 1μA Shutdown Supply Current * 600mV Voltage Drop at 50mA Load * 12Ω Output Resistance

Power Supply Support Circuit, Adjustable, 1Channel, BICMOS, 3 X 3MM, 0.8MM HEIGHT, ROHS COMPLIANT, MO-229, TDFN-14

MAXIM INTEGRATED PRODUCTS MAX860ISA+ DC-DC Adjustable Charge Pump Voltage Converter, 1.5V to 5.5V in, -5.5V to -1.5V/50mA out, SOIC-8