The EL7515 is a high frequency high efficiency step-up DC/DC regulator operated at fixed frequency PWM mode, it can deliver up to 600mA output current at up to 92% efficiency. It is suitable for applications such as 3V to 5V and 12V converters, 5V to 12V converters, TFT-LCD, DSL, portable equipment and desktop equipment.
The EL7515 is a high‑frequency, high‑efficiency step‑up DC/DC regulator with an integrated 1.4 A MOSFET, delivering up to 600 mA output current and up to 92 % efficiency. It operates from 1.8 V to 13.2 V input and provides 4.5 V to 17 V output, with an adjustable switching frequency up to 1.2 MHz, making it suitable for portable and desktop equipment.
The datasheet includes features, absolute maximum ratings, electrical specifications, pin descriptions, typical performance curves, layout and thermal guidelines, and package information for the 10‑lead MSOP package (max height 1.1 mm). It also offers design notes on component selection, soft‑start, current limit, and recommended external components.
| Maximum efficiency | 92 % |
|---|---|
| Maximum output current | 600 mA |
| Input voltage range | 1.8 V – 13.2 V |
| Output voltage range | 4.5 V – 17 V |
| Adjustable switching frequency | up to 1.2 MHz |
| Shutdown current | < 1 pA |
| Package height | 1.1 mm |
| Operating temperature range | -40 °C – +85 °C |
| MOSFET current limit (nominal) | 1.4 A (guaranteed 1 A) |
The EL7515 can achieve up to 92 % efficiency.
When shut down, the EL7515 draws less than 1 pA of current.
A minimum of 22 µF low‑ESR capacitor (X5R/X7R) is recommended.
It is supplied in a 10‑lead MSOP package with a maximum height of 1.1 mm.