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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MIC24045 датащи(PDF) 4 Page - Microchip Technology |
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MIC24045 датащи(HTML) 4 Page - Microchip Technology |
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4 / 46 page  MIC24045 DS20005568A-page 4 2016 Microchip Technology Inc. ELECTRICAL CHARACTERISTICS (Note 1) Electrical Specifications: unless otherwise specified, VIN =VINLDO = 12V; CVDDA =2.2 µF, CVDDP =2.2 µF, TA =+25°C. Boldface values indicate -40°C TJ +125°C. Parameter Symbol Min. Typ. Max. Units Test Conditions VIN Supply Input Range VIN 4.5 — 19 V Disable Current IVINQ —0.2 2 µA EN = 0V Disable Current IVINLDOQ —0.6 1 mA EN = 0V Operating Current IVINOp — 0.3 0.5 mA EN > 1.28V, ILIM<1:0> = 00, OUTSNS = 1.15 x VOUT(NOM), no switching, TA =TJ =+25°C Operating Current IVINLDOOp —4.5 7 mA EN > 1.28V, OUTSNS = 1.15 x VOUT(NOM), no switching, TA =TJ =+25°C VDDA 5V Supply Operating Voltage VDDA 4.8 5.1 5.4 VIVDDA = 0 mA to 10 mA Dropout Operation 3.6 4.2 — V VINLDO = 4.5V, IVDDA =10mA VDDA Undervoltage Lockout VDDA UVLO Rising UVLO_R 3.1 3.5 3.9 VVDDA Rising, EN > 1.28V VDDA UVLO Falling UVLO_F 2.87 3.2 3.45 VVDDA Falling, EN > 1.28V VDDA UVLO Hysteresis UVLO_H — 300 — mV EN Control EN Rising Threshold EN_R 1.14 1.21 1.28 V Initiates power-stage operation EN Falling Threshold EN_F — 1.07 — V Stops power-stage operation EN Hysteresis EN_H — 135 — mV EN Pull-Down Current EN_I 1 2 3 µA TA =TJ = +25°C Switching Frequency Programmable Frequency 0 fs0 270 310 350 kHz Programmable Frequency 1 fs1 350 400 450 kHz Programmable Frequency 2 fs2 450 500 550 kHz Programmable Frequency 3 fs3 510 570 630 kHz Programmable Frequency 4 fs4 590 660 740 kHz Programmable Frequency 5 fs5 680 780 880 kHz Programmable Frequency 6 fs6 850 970 1100 kHz Programmable Frequency 7 fs7 1050 1200 1350 kHz Overcurrent Protection HS Current Limit 0 ILIM_HS0 4.0 4.7 6.5 A HS Current Limit 1 ILIM_HS1 5.4 6.2 7.6 A HS Current Limit 2 ILIM_HS2 7.6 8.6 10.6 A HS Current Limit 3 ILIM_HS3 8.2 9.4 12.0 A High Side FET Current-Limit Leading Edge-Blanking Time LEB — 108 — ns LS Current Limit 0 ILIM_LS0 2.0 3.25 5.0 A LS Current Limit 1 ILIM_LS1 3.0 4.3 6.0 A LS Current Limit 2 ILIM_LS2 4.0 5.6 7.5 A Note 1: Specification for packaged product only. |
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