The CMD2508 is a high efficiency monolithic synchronous buck regulator using a constant frequency, voltage mode architecture. The device is available in fixed output voltage of 1.8V and 1.5V and adjustable output voltage. Supply current during operation is only 20μA and drop to ≤1uA in shutdown. The 2.5V to 5.5V input voltage range makes the CMD2508 ideally suited for single Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems.Switching frequency is internally set at 1.25MHz, allowing the use of small surface mou n t i n d u c t o r s a n d c a p a c i t o r s .The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. The CMD2508 is available in low profile SOT package.
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