MB39C503 datasheet equivalent, high efficiency step down dc/dc controller datasheet.
* High Efficiency with Enhanced LPM Operation
* Automatic Transition for PFM/PWM
* Enhanced LPM Operation Transferred by SLP_N Assertion
* Over Curren.
MB39C502 is a single output step down DC/DC controller using external FETs. It achieves the high efficiency with “Enhanced Low Power Mode (LPM) Operation” in light load. In Enhanced LPM, this controller operates that the quiescent current is reduced .
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