ADP2147 regulator equivalent, buck regulator.
Input voltage: 2.3 V to 5.5 V Peak efficiency: 95% 3 MHz fixed frequency operation Low quiescent current: 23 μA Ultralow shutdown current: 0.2 μA (typical) VSEL pin for s.
PDAs and palmtop computers Wireless handsets Digital audio portable media players Digital cameras, GPS navigation units .
The ADP2147 is a high efficiency, low quiescent current, stepdown (buck) dc-to-dc regulator with an output voltage that can be switched between two different settings under the control of a select pin. The total solution requires only three tiny exte.
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