Features

• 800mA synchronous step-down converter and 300mA,

general-purpose LDO

• 400kb/s I2C-bus series interface transfers the control data

between the host controller and the ISL80083

• Fixed SMPS output voltage I2C programmability

- At 25mV/step. . . . . . . . . . . . . . . . . . . . . . 0.625V to 2.225V

• LDO output voltage I2C programmability

- At 50mV/step. . . . . . . . . . . . . . . . . . . . . . . . . . . 0.9V to 3.6V

• 33MHz oscillator

• Level shift from 1.8V to 3V with enable

• Input select

• Switcher I2C programmable skip mode under light load or

forced fixed switching frequency PWM mode

Applications