MIC33030 Datasheet | Micrel Semiconductor

8MHz 400m A Internal Inductor Buck Regulator with Hyper Light Load™ General Description The MIC33030 is a high-efficiency, 8MHz, 400m A synchronous buck regulator with an internal inductor and Hyper Light Load™ mode. Hyper Light Load™ provides very-high efficiency at light loads and ultra-fast transient response that is perfectly suited for supplying processor core voltages. An additional benefit of this proprietary architecture is the very-low output ripple voltage throughout the entire load range with the use of small output capacitors. The tiny 2.5mm x 2.0mm MLF® package saves precious board space and requires only two external capacitors. The MIC33030 is designed for use with tiny output capacitors as small as 2.2µF. This gives the MIC33030 the ease of use of an LDO with the efficiency of a Hyper Light Load™ DC converter. The MIC33030 achieves efficiency in Hyper Light Load™ mode as high as 78% at 1m A, with a very-low quiescent current of 21µA. At higher loads, the MIC33030 provides a constant switching frequency up to 8MHz. The MIC33030 is available in a 10-pin 2.5mm x 2.0mm MLF® package with an operating junction temperature range of - 40°C to +125°C. Datasheets and support documentation can be found on Micrel’s web site at: .micrel.. Features - Internal Inductor - Simplifies design to two external capacitors - Input voltage: 2.7V to 5.5V - Output voltage accuracy of ±2.5% over temperature - 400m A output current - Efficiency up to 78% at 1m A - 21µA typical quiescent current - Up to 8MHz PWM operation in continuous mode - Ultra-fast transient response - Low-voltage output ripple - 30m Vpp ripple in Hyper Light Load™ mode - 7m V output voltage ripple in full PWM mode - Fully-integrated MOSFET switches - 0.01µA shutdown current - Thermal shutdown and current-limit protection - Fixed and adjustable output voltage options available (0.7V to 3.6V) - 2.5mm x 2.0mm 10-Lead MLF® - - 40°C to +125°C junction temperature range Applications - Mobile handsets -...