Microchip MIC33153YHJ-TR, 1 Buck Boost Switching, Buck/Boost Converter 1.2A, 0.6 V → 3.6 V, 4 MHz 14-Pin, MLF

The MIC33153 is a high-efficiency 4MHz 1.2A synchronous buck regulator with an internal inductor, HyperLight Load® mode, Power Good (PG) output indicator, and programmable soft start. HyperLight Load® provides very high efficiency at light loads and ultra-fast transient response which makes the MIC33153 perfectly suited for supplying processor core voltages. An additional benefit of this proprietary architecture is very low output ripple voltage throughout the entire load range with the use of small output capacitors.

Internal inductor
Simplifies design to two external capacitors
Input voltage: 2.7V to 5.5V
Output voltage: fixed or adjustable (0.62V to 3.6V)
Up to 1.2A output current
Up to 93% peak efficiency
85% typical efficiency at 1mA
Power Good (PG) output
Programmable soft start
Ultra-fast transient response
Low ripple output voltage
Thermal shutdown

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