Intended for small, low-power applications, APE1913-3 comes in RoHS-compliant and halogen-free TSOT-23-5 package, has 2.6–5.5 V input range, and automatically switches from PWM to PFM during light load conditions to increase efficiency. Nominal operating frequency is 1.2 MHz, internal soft-start minimizes inrush current and extends battery life, and internal power MOSFET promotes efficiency. Protection functions include UVLO, current limit, and thermal shutdown.
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