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UCS81003 数据表(PDF) 6 Page - Microchip Technology |
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UCS81003 数据表(HTML) 6 Page - Microchip Technology |
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6 / 108 page  UCS81003 DS20005334A-page 6 2014 Microchip Technology Inc. Clock/Data Fall Time tFALL — — 300 ns Min = 20 + 0.1 CLOAD ns, Note 3 Clock/Data Rise Time tRISE — — 300 ns Min = 20 + 0.1 CLOAD ns, Note 3 Capacitive Load CLOAD — — 400 pF Per bus line, Note 2 Timeout tTIMEOUT 25 — 35 ms Disabled by default, Note 2 Idle Reset tIDLE_RESET 350 — — µs Disabled by default, Note 2 High-Speed Data Switch High-Speed Data Switch - DC Parameters Switch Leakage Current IHSW_OFF — ±0.5 — µA Switch open - DPIN to DPOUT, DMIN to DMOUT, or all four pins to ground. VDD VS Charger Resistance RCHG —2 — M DPOUT or DMOUT to VBUS or ground (see Figure 1-2), BC1.2 DCP charger emulation active On Resistance RON_HSW —2 — Switch closed, VDD = 5V test current = 8 mA, test voltage = 0.4V, see Figure 1-2 On Resistance RON_HSW_1 —5 — Switch closed, VDD = 5V, test current = 8 mA, test voltage = 3.0V, see Figure 1-2 Delta-On Resistance R ON_HSW —±0.3 — Switch closed, VDD = 5V, ITST = 8 mA, VTST = 0 to 1.5V, see Figure 1-2 High-Speed Data Switch - AC Parameters DP, DM Capacitance to Ground CHSW_ON — 4 — pF Switch closed, VDD = 5V DP, DM Capacitance to Ground CHSW_OFF — 2 — pF Switch open, VDD = 5V Turn Off Time tHSW_OFF — 400 — µs Time from state control (EM_EN, M1, M2) switch on to switch off, RTERM =50, CLOAD =5 pF Turn-On Time tHSW_ON — 400 — µs Time from state control (EM_EN, M1, M2) switch off to switch on, RTERM =50, CLOAD =5 pF Propagation Delay tPD —0.25 — ns RTERM =50, CLOAD =5 pF TABLE 1-2: ELECTRICAL CHARACTERISTICS (CONTINUED) Electrical Characteristics: Unless otherwise specified, VDD = 4.5V to 5.5V, VS = 2.9V to 5.5V, VPULLUP = 3V to 5.5V, TJ = -40°C to +125°C; all Typical values at VDD = VS = 5V, TJ = +27°C. Characteristic Sym. Min. Typ. Max. Unit Conditions Note 1: For split supply systems using the Attach Detection feature, VS must not exceed VDD +150 mV. 2: This parameter is ensured by design and is not 100% tested. 3: This parameter is characterized, but not 100% production tested. 4: The current measurement full-scale range maximum value is 3.0A. However, the UCS81003 cannot report values above ILIM (if IBUS_R2MIN ILIM) or above IBUS_R2MIN (if IBUS_R2MIN > ILIM and ILIM 1.68A). 5: The Minimum and Maximum values represent the boundaries of a programmable range. Each value in the range is typical. |
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