OrderMP2151
5.5V, 1A, Synchronous Step-Down Converter with 25μA IQ and Output Discharge in an Ultra-Small Package
Active Part Numbers:
MP2151GQFU-12-P MP2151GQFU-12-Z MP2151GQFU-15-P MP2151GQFU-15-Z MP2151GQFU-18-P MP2151GQFU-18-Z MP2151GQFU-25-P MP2151GQFU-25-Z MP2151GQFU-33-P MP2151GQFU-33-Z MP2151GQFU-P MP2151GQFU-Z MP2151GTF-12-P MP2151GTF-12-Z MP2151GTF-15-P MP2151GTF-15-Z MP2151GTF-18-P MP2151GTF-18-Z MP2151GTF-25-P MP2151GTF-25-Z MP2151GTF-33-P MP2151GTF-33-Z MP2151GTF-P MP2151GTF-Z MP2151XN MP2151XR
Meaning of P & Z 
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EV2151-TF-00A 1A, Synchronous Step-Down Converter with 25μA Quiescent Current
The MP2151 is a monolithic, step-down, switch-mode converter with built-in internal power MOSFETs. It achieves 1A of continuous output current from a 2.5V to 5.5V input voltage range, with excellent load and line regulation. The output voltage can be regulated to as low as 0.6V. The constant-on-time control scheme provides fast transient response and eases loop stabilization. Fault protections include cycle-by-cycle current limiting and thermal shutdown.
The MP2151 is available in an ultra-small SOT563, or UTQFN (1.2mmx1.6mm) package, and requires a minimal number of readily available, standard external components.
The MP2151 is ideal for a wide range of applications including high-performance DSPs, wireless power, portable and mobile devices, and other low-power systems.
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