MIC2017 Micrel Semiconductor, MIC2017 Datasheet
MIC2017
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MIC2017 Summary of contents
Page 1
... The MIC2007 and MIC2017 are excellent choices for USB and IEEE 1394 (FireWire) applications or for any system where current limiting and power control are desired. The MIC2007 and MIC2017 are offered in space saving 6-pin SOT-23 and 2mm x 2mm MLF _________________________________________________________________________________________________________ Typical Application Kickstart is a trademark of Micrel, Inc MLF and MicroLeadFrame are trademarks of Amkor Technology, Inc ...
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... Fixed 2015 -- ▲ 2016 -- ▲ 2017 ▲ ▲ Adj. 2018 ▲ ▲ 2019 ▲ ▲ Adj = Adjustable current limit (1) Current Limit FHAA HAA 0.2A – 2.0A FQAA QAA 2 MIC2007/MIC2017 Pin Function C FAULT/ DLM* SLEW -- -- -- -- -- -- ▲ ▲ -- ▲ -- ▲ ▲ ▲ ▲ -- Fixed = Factory programmed current limit ...
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... Current Limiting Factor (CLF LIMIT CSLEW Input Slew rate control. Adding a small value capacitor between this pin and VIN slows turn-ON of the power FET. VOUT Output Switch output. The load being driven by MIC2007/2017 is connected to this pin. 3 MIC2007/MIC2017 V VIN 1 6 OUT GND SLEW ENABLE ...
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... ENABLE = 5V 100 mA IN OUT SINK I = 2.0A, V OUT OUT I = 1.0A, V OUT OUT I = 0.5A (A) OUT OUT OUT I = 0.2A, V OUT OUT MIC2017 2. rising IN V falling IN V (max (min 5. increasing J T decreasing J 4 MIC2007/MIC2017 ( (5) .........................................45° ...
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... SLEW 90% EN OUT Condition Min V and GND ± 4 OUT ± 2 All other pins All pins ± 200 Machine Model 5 MIC2007/MIC2017 Typ Max Units µs 1000 1500 128 192 ms 128 192 ms µs 1000 1500 µs 700 Typ Max ...
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... Micrel Timing Diagrams www.DataSheet4U.com October 2005 ENABLE 50% t ON_DLY VOUT 10% Switching Delay Times t RISE 90% 90% 10% Rise and Fall Times t RISE 90% 10% Output Rise Time 6 MIC2007/MIC2017 50% t OFF_DLY 90% t FALL 10% VOUT M9999-102805 ...
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... CURRENT LIMIT (A) Current Limit Factor vs. Input Voltage @ 25°C 250 245 3V 5V 240 3V 235 230 225 220 215 1.5 2.0 0 0.5 1.0 CURRENT LIMIT (A) 7 MIC2007/MIC2017 Switch Leakage Current - OFF 1.00 0.90 0.80 0.70 0.60 0.50 0.40 -40°C 0.30 0.20 25°C 0.10 85° -50 -30 - TEMPERATURE (° Temperature 120 100 ...
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... LOAD 250 300 350 400 450 500 550 Time (ms Time (µs) 8 MIC2007/MIC2017 Inrush Current Response Inrush Current Inrush Current Response Inrush Current Response Inrush Current Res R MIC20xx-0 SLEW ENABLE (2.5V/div) 0µF V OUT 10µF (1V/div) 22µF 47µF 100µF 220µ ...
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... Time (ms) ENABLE (2.5V/div) (0.5A/div) 250 300 350 400 450 500 550 Time (ms) 9 MIC2007/MIC2017 Kickstart Response No Load to Short Circuit V OUT OUT 0 50 100 150 200 250 300 350 400 Time (ms) ...
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... Functional Diagram ENABLE www.DataSheet4U.com C SLEW I LIMIT October 2005 Under Voltag e Detector Current Mirror FET Control Logic and Delay Timer Gate Control Thermal Sensor Slew Rate Control V REF Current Limit Control Loop Figure 2. MIC2007/2017 Block Diagram 10 MIC2007/MIC2017 VIN Power FET VOUT GND M9999-102805 ...
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... MIC2017 acts immediately to restrict output current to the secondary October 2005 limit for the duration of the Kickstart period. After this time, the MIC2017 reverts to its normal current limit. An example of Kickstart operation is shown below. is the OUT is greater than V ...
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... MOSFET being shut off. This delay is due to thermal time constants within the system itself event will the device be damaged due to thermal overload because die temperature is monitored continuously by on-chip circuitry. 12 MIC2007/MIC2017 shutdown is employed to protect shutdown ...
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... Figure 5. In this demonstration, V controlled and I applications can determine I ’s SET LIMIT Ohm’s law by the load and the limiting current. . SET = 187 Ω 187Ω 187Ω 13 MIC2007/MIC2017 variation over temperature LIMIT LIMIT_MIN LIMIT_TYP LIMIT_MAX 1.12A 1.25A 1.39A 1.25A ±11% vs. I ...
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... FET gate voltage increases and thus, slows both the response to an Enable command as well (where I = value. OUT LIMIT LIMIT . LIMIT Figure 8 illustrates effect of C output rise time. 14 MIC2007/MIC2017 Normalized Output Current vs. Output Voltage (5V) 1.2 1.0 0.8 0.6 0.4 0 ...
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... I for as long as the excessive load persists. Once the MIC2017 drops out of current limiting the Kickstart timer initiates a lock-out period of 128ms such that no further bursts of current above the primary current limit, will be allowed until the lock-out period has expired ...
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... MIC2007/2017’s GND heating occurs. Device pin. OUT of 140 mΩ die ON intending to supply SOT-23 MLF Iout - Amps 16 MIC2007/MIC2017 2 Vias 0.3 mm diam. to Ground Plane 0.8 mm Figure 11. Pad for Thermal Mounting to PCB 1.4 mm M9999-102805 ...
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... A Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. October 2005 6-Pin SOT-23 (M6) 6-Pin 2mm X 2mm MLF (ML) 17 © 2005 Micrel, Incorporated. MIC2007/MIC2017 M9999-102805 ...