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MIC2583-KYQS Datasheet(PDF) 6 Page - Micrel Semiconductor |
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MIC2583-KYQS Datasheet(HTML) 6 Page - Micrel Semiconductor |
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6 / 25 page  Micrel, Inc. MIC2582/MIC2583 April 2009 6 M9999-043009-C Symbol Parameter Condition Min Typ Max Units ΔV ON ON Pin Threshold Line Regulation 2.3V ≤ VCC ≤ 13.2V 2 mV ION ON Pin Input Current VON = VCC −0.5 µA VSTART Start-Up Delay Timer Threshold VCPOR rising 0.26 0.31 0.36 V Upper threshold 0.19 1.24 1.30 V VAUTO Auto-Restart Threshold Voltage (MIC2583R only) Lower threshold 0.26 0.31 0.36 V Charge current 10 13 16 µA IAUTO Auto-Restart Current (MIC2583R only) Discharge current 1.4 2 µA FB rising 1.19 1.24 1.29 V VFB Power-Good Threshold Voltage 2.3V = VCC = 13.2V FB falling 1.15 1.20 1.25 V VFBHYS FB Hysteresis 40 mV IFBLKG FB Pin Leakage Current 2.3V = VCC = 13.2V, VFB = 1.3V 1.5 µA VOL /POR, /FAULT, PWRGD Output Voltage (/FAULT, PWRGD MIC2583/83R only) IOUT = 1mA 0.4 V RDIS Output Discharge Resistance (MIC2583/83R only) 500 1000 Ω AC Parameters (4) tOCFAST Fast Overcurrent SENSE to GATE Low Trip Time VCC = 5V, VCC − VSENSE = 100mV CGATE = 10nF, Figure 2 1 µs tOCSLOW Slow Overcurrent SENSE to GATE Low Trip Time VCC = 5V, VCC − VSENSE = 50mV CFILTER = 0, Figure 2 5 µs tONDLY ON Delay Filter 20 µs tFBDLY FB Delay Filter 20 µs Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. 3. Specification for packaged product only. 4. Not a tested parameter, guaranteed by design. Timing Diagrams Figure 2. Current-Limit Response Figure 3. Power-On Reset Response Figure 4. Power-On Start-Up Delay Timing |
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