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MIC2103 Datasheet(PDF) 1 Page - Microchip Technology |
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MIC2103 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 42 page  2017 Microchip Technology Inc. DS20005899A-page 1 MIC2103/4 Features • Hyper Speed Control® Architecture Enables: - High Delta V Operation (VIN = 75V and VOUT = 1.2V) - Any Capacitor™ Stable • 4.5V to 75V Input Voltage • Adjustable Output Voltage from 0.8V to 24V (Also Limited by Duty Cycle) • 200 kHz to 600 kHz Programmable Switching Frequency • HyperLight Load® Control (MIC2103 Only) • Hyper Speed Control® (MIC2104 Only) • Enable Input, Power-Good Output • Built-In 5V Regulator for Single-Supply Operation • Programmable Current-Limit and Fold-Back “Hiccup” Mode Short-Circuit Protection • 5 ms Internal Soft-Start, Internal Compensation, and Thermal Shutdown • Supports Safe Start-Up into a Pre-Biased Output • –40°C to +125°C Junction Temperature Range • Available in 16-Pin 3 mm x 3 mm QFN Package Applications • Distributed Power Systems • Networking/Telecom Infrastructure • Printers, Scanners, Graphic Cards, and Video Cards General Description The MIC2103/4 are constant-frequency, synchronous buck controllers that feature a unique adaptive ON-time control architecture. The MIC2103/4 operates over an input supply range from 4.5V to 75V and can be used to supply up to 15A of output current. The output voltage is adjustable down to 0.8V with a guaranteed accuracy of ±1%. The device operates with programmable switching frequency from 200 kHz to 600 kHz. The 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 MIC2103/4 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, fold-back current-limit, “hiccup” mode short-circuit protection, and thermal shutdown. Package Type Please see pin descriptions in Table 3-1. 1 5 VDD 4 PVDD ILIM DL AGND NC BST NC 8 16 13 2 3 6 7 14 15 12 9 11 10 EP 75V Synchronous Buck Controllers Featuring Adaptive ON-Time Control |
Similar Part No. - MIC2103 |
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Similar Description - MIC2103 |
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