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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MIC45116 датащи(PDF) 5 Page - Microchip Technology |
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MIC45116 датащи(HTML) 5 Page - Microchip Technology |
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5 / 42 page  2016 - 2022 Microchip Technology Inc. DS20005571B-page 5 MIC45116 ELECTRICAL CHARACTERISTICS Electrical Characteristics: VIN = VEN = 12V, VOUT = 3.3V, VBST – VSW = 5V, TJ = +25ºC. Bold values indicate –40°C ≤ TJ ≤ +125°C, unless otherwise noted. (Note 1). Parameters Symbol Min. Typ. Max. Units Conditions Power Supply Input Input Voltage Range VIN, PVIN 4.75 — 20 V — Quiescent Supply Current (MIC45116-1) IQ — 0.35 0.75 mA VFB = 1.5V Quiescent Supply Current (MIC45116-2) IQ — 1.03 — mA VFB = 1.5V Operating Current IIN — 29.4 — mA PVIN = VIN = 12V, VOUT = 1.8V, IOUT = 0A (MIC45116-2) Shutdown Supply Current ISHDN — 5.3 10 µA VEN = 0V 5VDD Output 5VDD Output Voltage 5VDD 4.8 5.2 5.4 V VIN = 7V to 20V, I5VDD = 10 mA 5VDD UVLO Threshold UVLO 3.8 4.2 4.6 V V5VDD Rising 5VDD UVLO Hysteresis UVLO_HYS — 400 — mV V5VDD Falling 5VDD Load Regulation Δ5VDD(LD) 0.6 2 3.6 % I5VDD = 0 mA to 40 mA Reference Feedback Reference Voltage VREF 0.792 0.8 0.808 V TJ = 25°C 0.784 0.8 0.816 –40°C ≤ TJ ≤ +125°C FB Bias Current IFB_BIAS — 5 500 nA VFB = 0.8V Enable Control EN Logic Level High ENHIGH 1.8 — — V — EN Logic Level Low ENLOW — — 0.6 V — EN Hysteresis ENHYS — 200 — mV — EN Bias Current IENBIAS — 5 10 µA VEN = 12V Oscillator Switching Frequency fSW 400 600 750 kHz IOUT = 2A Maximum Duty Cycle DMAX — 85 — % — Minimum Duty Cycle DMIN — 0 — % VFB = 1V Minimum Off-Time tOFF(MIN) 140 250 350 ns — Soft-Start Soft-Start Time tSS — 3.3 — ms VFB from 0V to 0.8V Short-Circuit Protection Current-Limit Threshold VCL(OS) –30 –14 0 mV VFB = 0.79V Short-Circuit Threshold VSC –23 –7 9 mV VFB = 0V Current-Limit Source Current ICL 60 80 100 µA VFB = 0.79V Short-Circuit Source Current ISC 25 35 45 µA VFB = 0V Note 1: Specification for packaged product only. |
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