max889MAX889SESA+T Analog Devices Maxim Integrated Switching Voltage Regulators Hh-Frequency, Regulated, 200mA, Invert datasheet, inventory, & pricing.3. MAX889, MAX168x and other have a VERY LIMITED CURRENT, because of their limited power dissipation to 471mW at 70C. This allows for around 40mA with MAX1680.