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产品LM61460-Q1TI
描述

The LM61460-Q1 is an automotive-focused synchronous step-down buck converter providing adjustable output voltage and 0 to 6 A DC load current from a supply voltage ranging from 3.0 V to 36 V. The LM61460-Q1 is designed from the ground up for minimal EMI. The device incorporates pseudo-random spread spectrum, adjustable SW node rise time, and low-EMI VQFN-HR package featuring low ringing and optimal-layout-friendly pinout. Switching frequency can be set or synchronized between 200 kHz and 2.2 MHz to avoid noise sensitive frequency bands, and for improved efficiency at low operating frequency or smaller solution size at high frequency. Factory auto-mode enables frequency foldback when operating with light loads, allowing an unloaded current consumption of only 8 µA (typical) and high efficiency with light loads. Together with very low MOSFET ON resistances and optional external bias input, exceptional efficiency is achieved over entire load range. The device also provides an open-drain PGood output and comprehensive protection features. Electrical characteristics are specified over a junction temperature range of –40°C to +150°C.

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