See datasheet for actual packaging/pinout drawings

Package | PIN:

RGE | 24

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

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LM25141QRGETQ1-Automotive, 2.2MHz, Low Iq Synchronous Buck Controller With Frequency Spread Spectrum

The LM25141-Q1 is a synchronous buck controller, intended for high-voltage, wide-VIN, step-down regulator applications. The control method is peak current-mode control. Current-mode control provides inherent line feed-forward, cycle-by-cycle current limiting, and ease of loop compensation. The LM25141-Q1 features slew rate control to simplify the compliance with CISPR and automotive EMI requirements.

The LM25141-Q1 has two selectable switching frequencies: 2.2 MHz and 440 kHz. Gate drivers with slew rate control can be adjusted to reduce EMI.

In light or no-load conditions, the LM25141-Q1 operates in skip cycle mode for improved low power efficiency. The LM25141-Q1 has a high-voltage bias regulator with automatic switch-over to an external bias to reduce the IQ current from VIN. Additional features include frequency synchronization, cycle-by-cycle current limit, hiccup-mode fault protection for sustained overload, and power-good output.

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