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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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MIC24051 Arkusz danych(PDF) 1 Page - Microchip Technology |
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MIC24051 Arkusz danych(HTML) 1 Page - Microchip Technology |
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1 / 34 page  2016 Microchip Technology Inc. DS20005658A-page 1 MIC24051 Features • Hyper Speed Control® Architecture Enables: - High Delta V Operation (VIN = 19V and VOUT = 0.8V) - Small Output Capacitance • 4.5V to 19V Voltage Input • 6A Output Current Capability, up to 95% Efficiency • Adjustable Output from 0.8V to 5.5V • ±1% Feedback Accuracy • Any Capacitor Stable - Zero-to-High ESR • 600 kHz Switching Frequency • No External Compensation • Power Good (PG) Output • Foldback Current-Limit and “Hiccup Mode” Short-Circuit Protection • Supports Safe Start-Up into a Pre-Biased Load • –40°C to +125°C Junction Temperature Range • Available in a 28-pin 5 mm x 6 mm QFN Package Applications • Servers and Workstations • Routers, Switches, and Telecom Equipment • Base Stations General Description The MIC24051 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24051 operates over an input supply range of 4.5V to 19V and provides a regulated output of up to 6A of output current. The output voltage is adjustable down to 0.8V with a guaranteed accuracy of ±1%, and the device operates at a switching frequency of 600 kHz. Microchip’s Hyper Speed Control® architecture allows for ultra-fast transient response while reducing the output capacitance and also makes (High VIN)/(Low VOUT) operation possible. This adaptive tON ripple control architecture combines the advantages of fixed-frequency operation and fast transient response in a single device. The MIC24051 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, internal soft-start to reduce inrush current, foldback current limit, “hiccup mode” short-circuit protection and thermal shutdown. An open-drain Power Good (PG) pin is provided. The 6A HyperLight Load® part, MIC24052, is also available on Microchip’s web site. Typical Application Schematic MIC24051 28-PIN QFN 10k 2.2μF PG V IN 4.5V TO 19V 4.7μF x2 EN 0.1μF 2.2μH 0.1μF 19.6k 2.49k 4.7nF 2.00k V OUT 1.8V/6A 100μF MIC24051 VDD SGND PG VIN PVIN PGND EN BST SW CS FB 10k PVDD 12V, 6A High-Efficiency Buck Regulator with Hyper Speed Control® |
Podobny numer części - MIC24051 |
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Podobny opis - MIC24051 |
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