EV1542DK-SEPIC-00A
700KHz/1.3MHz Boost Converter with 2A Switch
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The EV1542DK-SEPIC-00A is the demo board for sepic applications using the MP1542, a current mode step up converter with a 2A, 0.18Ω internal switch to provide a highly efficient regulator with fast response. The EV1542DK‑SEPIC-00A can be operated at 700KHz or 1.3MHz allowing for easy filtering and low noise. An external compensation pin gives the user flexibility in setting loop dynamics, whichallows the use of small, low ESR ceramic output capacitors. The soft-start results in smallinrush current and can be programmed with an external capacitor. The EV1542DK-SEPIC-00A can operate from a single Li-Ion battery to generate 3.3V at up to 500mA.
Other features include under voltage lockout, current limiting and thermal overload protection, all available in a low profile 8-pin MSOP package.
Product Features
- Automatic Up-Down Conversion
- Operates from a Single Li-Ion Battery to Generate 3.3V at up to 500mA
- Uses Tiny Capacitors and Inductors
- Pin Selectable 700KHz or 1.3MHz Fixed Switching Frequency
- Programmable Soft-Start
- UVLO, 2A Switch, Thermal Shutdown
- Internal Current Limit
Parametrics
- IC Supported 1MP1542
Monolithic IC
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IC Details
The MP1542 is a current mode step up converter with a 2A, 0.18O internal switch to provide a highly efficient regulator with fast response. The MP1542 can be operated at 700KHz or 1.3MHz allowing for easy filtering and low noise. An external compensation pin gives the user flexibility in setting loop dynamics, which allows the use of small, low-ESR ceramic output capacitors. Soft-start results in small inrush current and can be programmed with an external capacitor. The MP1542 operates from an input voltage as low as 2.5V and can generate 12V at up to 500mA from a 5V supply. The MP1542 includes under-voltage lockout, current limiting and thermal overload protection preventing damage in the event of an output overload. The MP1542 is available in low profile 8-pin MSOP packages.
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