MT3540 Overview
The MT3540 is a constant frequency, 5-pin SOT23 current mode step-up converter intended for small, low power applications. The MT3540 switches at 1.2MHz and allows the use of tiny, low cost capacitors and inductors 2mm or less in height. Internal soft-start results in small inrush current and extends battery life.
MT3540 Key Features
- Integrated 0.5Ω Power MOSFET
- 40μA Quiescent Current
- 2.5V to 5.5V Input Voltage
- 1.2MHz Fixed Switching Frequency
- Internal 1.5A Switch Current Limit
- Adjustable Output Voltage
- Internal pensation
- Up to 28V Output Voltage
- Automatic Pulse Frequency Modulation
- Over 85% Efficiency