MC33283

The MC33283 is a complete power management solution for portable devices such as telephone handsets, twoway radios, etc. Thanks to its large scale integration, the MC33283 offers up to seven Low DropOut regulators (LDO), two of them delivering a voltage higher than the battery's.

Despite the presence of an internal charge pump, the overall noise specification makes the circuit an ideal candidate where noise is an important feature. Outputs deliver 40mVRMS typical (10100kHz) at nominal output current.

With a 50dB ripple rejection under 10kHz, the circuit naturally shields the downstream electronics against DC choppy lines. This parameter of MC33283 guarantees a clean operation for battery operated devices.

Finally, housed in a compact Thin Quad Flat Pack TQFP32 package, the MC33283 gathers all the features necessary to power future portable radios.