MIC2074-2YM Micrel Inc, MIC2074-2YM Datasheet

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... The MIC2074 offers “smart” shutdown that reduces current consumption in fault mode. When a fault occurs due to thermal shutdown, the output is latched off. MIC2074s’ output will be reset, enabling the output, either by removing the load or toggling the ENABLE pin. Both devices employ soft-start circuitry that minimizes inrush current in applications where highly capacitive loads are employed ...

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... Micrel, Inc. Ordering Information Part Number MIC2073-1YM MIC2073-2YM MIC2074-1YM MIC2074-2YM NOTE: 1. MIC2073/2074 are Temperature rated from –40°C to +85°C 2. MIC2073/2074 are all lead free Pin Configuration Pin Description Pin Number Pin Name 1 ENA 2 FLGA 3 FLGB 4 ENB 5 OUTB 6 GND OUTA January 2009 ...

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... V ENA ENB (switch on), OUT = open low-to-high transition high-to-low transition 5 MIC2073/2074 , MIC2073/2074 MIC2073-1/2074-1, V ≤ 0.8 V; ENx MIC2073-2/2074-2, V ≥ 2.4 V, (output off) ENx MIC2074, Thermal shutdown state V = 0V, enabled into short-circuit OUT B B Ramped load applied to output V rising falling ...

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Micrel, Inc 25°C, bold values indicate –40°C ≤ Symbol Parameter t Short-Circuit Response Time SC_RESP t Output Turn-On Delay Output Turn-On Rise Time ...

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Micrel, Inc. Test Circuit Timing Diagrams V OUT OUT January 2009 Device Under OUT Test 90% 10% Output Rise and Fall Times 50 90% Active-Low Switch Delay Times (MIC2073-2/2074-2) Active-High ...

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Micrel, Inc. Typical Characteristics Supply On-Current vs. Temperature 180 160 140 5V 120 100 80 3. -40 - 100 TEMPERATURE (°C) Supply On-Current vs. Input Voltage 200 150 -40°C 100 +25°C ...

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Micrel, Inc. Typical Characteristics (continue) Enable Threshold vs. Temperature 2.5 V RISING 2.0 EN 1.5 V FALLING EN 1.0 0.5 0 -40 - 100 TEMPERATURE (°C) Enable Threshold vs. Input Voltage 2.5 2.0 V RISING ...

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Micrel, Inc. Functional Characteristics January 2009 8 MIC2073/2074 M9999-011209 ...

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Micrel, Inc. Functional Characteristics (continued) January 2009 9 MIC2073/2074 M9999-011209 ...

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Micrel, Inc. Functional Characteristics (continue) January 2009 10 MIC2073/2074 M9999-011209 ...

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... The other channel is not affected. If however, the die temperature exceeds 160°C, then both channels will be shut off. Upon determining a thermal shutdown condition, the MIC2074 will latch the output off. In this case, a pull-up current source is activated. This allows the output latch to automatically reset when the load (such as a USB device) is removed ...

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... LIMIT I LOAD I OUT V FLG Figure 1. MIC2074-2 Fault Timing: Output Reset by Removing Load January 2009 • Short-Circuit Applied to Enabled Output When a heavy load or short-circuit is applied to an enabled switch, a large transient current may flow until the current-limit circuitry responds. Once this occurs, the device limits current to less than the short-circuit current limit specification. • ...

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... This “soft-start” feature effectively isolates power supplies from highly capacitive loads by reducing inrush current. Figure 3 shows how the MIC2074 may be used in a card hot-plug application. In cases of extremely large capacitive loads (>400µF), the length of the transient due to inrush current may exceed the delay provided by the integrated filter ...

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Micrel, Inc. V BUS to "Hot" Receptacle GND Cable January 2009 MIC2073/2074 1 8 ENA OUTA 2 7 FLGA IN 4.7 µ FLGB GND 4 5 ENB OUTB USB Peripheral Figure 3. Hot-Plug Application Figure 4. Transient Filter ...

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Micrel, Inc. January 2009 Figure 5. USB Two-Port Host Application Figure 6. USB Two-Port Bus-Powered Hub 15 MIC2073/2074 M9999-011209 ...

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Micrel, Inc. Package Information _________________________________________________________________________________________________ MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and ...