The LT8642S’s synchronous rectification delivers efficiency as high as 95% with a switching frequency of 2MHz. Its 2.8V to 18V input voltage range ideal for automotive and industrial applications. The internal high efficiency switches deliver up to 10A of continuous output current to voltages as low as 0.60V. The LT8642S’s Burst Mode operation ensures only 240µA of quiescent current. An external compensation pin enables fast transient response and current sharing for paralleling multiple devices. A fast minimum on-time of only 25ns enables 2MHz constant frequency switching from a 12V input to a 0.6V output. The LT8642S’s 24-lead 4mm x 4mm LQFN package and high switching frequency keeps external inductors and capacitors small, providing a compact, thermally efficient footprint. Other features include a power good flag, output soft-start/tracking and thermal protection.
The LT8642SEV is packaged in a 4mm x 4mm LQFN package. An industrial temperature version is tested and guaranteed to operate from a –40°C to 125°C operating junction temperature.
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