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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PD77728 датащи(PDF) 13 Page - Microchip Technology |
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PD77728 датащи(HTML) 13 Page - Microchip Technology |
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13 / 44 page  PD77728 Electrical Specifications Data Sheet © 2024 Microchip Technology Inc. and its subsidiaries DS00003920E - 13 3.4 Electrical Characteristics If not specified under conditions, the minimum and maximum ratings listed in the following table apply to the entire specified operating ratings of the device. Typical values stated are either by design or by production testing at 25 °C ambient. The following tables list the electrical characteristics of the device. Table 3-5. Current and Power Consumption Parameter Symbol Conditions Min. Typ. Max. Units VMAIN current IMAIN Power on Reset (POR) threshold exceeded. VMAIN > 12V — — 1.5 mA VMAIN< POR threshold 0V < VMAIN ≤ 8V VDD and VDDA not present IC is non-operational — — 100 µA VDD rail + VDDA rail current IVDD + IVDDA VMAIN = 55V, VDD = VDDA = 3.6V — — 30 mA Table 3-6. Port Characteristics Parameter Symbol Conditions Min. Typ. Max. Units Port supported continuous current IPORT_CONT • Single-Signature PD • VMAIN = 52V, port not in current limit • Class 8 with PCLASS_PD = 99.7W • Maximum unbalance 1.185 — — A Power dissipation PDISS All ports 4P Class 8 power (90W) VMAIN = 52V VDD = VDDA = 3.3V — — 2.0 W Total channel resistance RCH_ON TA = 25 °C, — 0.160 — Ω Port resistance RCH_OFF RPORT connected, TJ = 25 °C VPORT < 30V 50 60 70 kΩ RPORT disconnected, TJ = 25 °C — 1.8 — MΩ VPORT leakage ILEAKAGE VPORT_NEGx to AGND — — 5 µA Port capacitance CPSE Required: External X7R port capacitance (typical capacitor values) 47 100 220 nF CPD Supported PD capacitance for IEEE ® 802.3bt compliant detection 50 — 150 nF Supported PD capacitance, non-compliant PD detection 0.05 — 12.8 µF Supported PD capacitance, inrush phase, IEEE® 802.3bt compliant 5 — 180 µF Supported PD capacitance, inrush phase, not IEEE® 802.3bt compliant — — 432 µF Supported output power PPORT4P 2 ports power, connected to a single-signature PD, VMAIN = 52V — — 100 W |
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