Batteries and Portable Power

Current-mode Step-up Converter offers Adjustable Output Voltage up to 27V

Advanced Power Electronics Corp. (USA) is introducing a new current mode step up converter for small, low-power applications. The input voltage of the APE1913-3 converter can range from 2.6V to 5.5V, while the output voltage can be adjusted up to 27V. The nominal operating frequency of 1.2MHz enables the use of small external inductors and capacitors and facilitates fast transient response. The internal soft-start results in a small inrush current and extends battery life. An internal power MOSFET with very low on-resistance (Rds(on)) ensures high efficiency.

The APE1913-3 converter automatically switches from pwm to pfm during light load conditions to further increase its efficiency. The device also provides protection functions such as under-voltage lockout, current limit and thermal shutdown. The APE1913TY5-HF-3 is available in a fully RoHS-compliant and halogen-free TSOT-23-5 package.

Comments Ralph Waggitt, President/CEO, Advanced Power Electronics Corp. (USA): "This converter includes the popular protection functions such as under-voltage lockout, current limit and thermal shutdown, and is a simple, cost-effective solution for a wide variety of applications."

Advanced Power Electronics Corp. (USA)
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