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HCF1305-2R2-R Folha de dados(PDF) 1 Page - Microchip Technology |
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HCF1305-2R2-R Folha de dados(HTML) 1 Page - Microchip Technology |
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1 / 39 page  2025-2026 Microchip Technology Inc. and its subsidiaries DS20007043B-page 1 MIC24054 Features • HyperLight Load® Efficiency: Up to 80% at 10 mA • Hyper Speed Control® architecture enables - High Delta V Operation (VIN = 19V and VOUT = 0.8V) - Small Output Capacitance • Input Voltage Range: 4.5V to 19V • Output Current Up to 9A • Up to 95% Efficiency • Adjustable Output Voltage from 0.8V to 5.5V • ±1% FB Accuracy • Any Capacitor™ stable: Zero-to-High ESR • 600 kHz Switching Frequency • Power Good (PG) Output • Foldback Current-Limit and “Hiccup” Mode Short-Circuit Protection • Safe Start-Up into Pre-Biased Loads • –40°C to +125°C Junction Temperature Range • Available in a 28-lead 5 mm x 6 mm VQFN Package Applications • Servers and Work Stations • Routers, Switches, and Telecom Equipment • Base Stations General Description The MIC24054 is a constant-frequency, synchronous DC/DC buck regulator that features adaptive on-time control architecture. The MIC24054 operates over a supply range of 4.5V to 19V. It has an internal linear regulator that provides a regulated 5V to power the internal control circuitry. The MIC24054 operates at a constant 600 kHz switching frequency in continuous conduction mode and can be used to provide up to 9A of output current. The output voltage is adjustable down to 0.8V. Microchip’s HyperLight Load® architecture provides the same high-efficiency and ultra-fast transient response as the Hyper Speed Control® architecture under medium to heavy loads, but also maintains high efficiency under light load conditions by transitioning to variable frequency, discontinuous mode operation. The MIC24054 offers a full suite of protection features to ensure protection of the IC during fault conditions. These include undervoltage lockout to ensure proper operation under power-sag conditions, thermal shutdown, internal soft-start to reduce the inrush current, foldback current limit and “hiccup mode” short-circuit protection. The MIC24054 includes a power good (PG) output to allow simple sequencing. The 9A Hyper Speed Control part, MIC24053, is also available from Microchip. Package Type MIC24054 28-Lead VQFN (JL) (Top View) 12V, 9A High-Efficiency SuperSwitcher™ II Buck Regulator |
Nº de peça semelhante - HCF1305-2R2-R |
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Descrição semelhante - HCF1305-2R2-R |
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