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UCS81003 Fiches technique(PDF) 8 Page - Microchip Technology |
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UCS81003 Fiches technique(HTML) 8 Page - Microchip Technology |
8 / 108 page UCS81003 DS20005334A-page 8 2014 Microchip Technology Inc. Selectable Current Limits ILIM1 —570 — mA ILIM Resistor = 0 or 47 k (minimum mA setting) ILIM2 — 1000 — ILIM Resistor = 10 k or 56 k ILIM3 —1130 — ILIM Resistor = 12 k or 68 k ILIM4 — 1350 — ILIM Resistor = 15 k or 82 k ILIM5 — 1680 — ILIM Resistor = 18 k or 100 k ILIM6 — 2050 — ILIM Resistor = 22 k or 120 k ILIM7 — 2280 — ILIM Resistor = 27 k or 150 k ILIM8 — 2850 3000 ILIM Resistor = 33 k or VDD Pin Wake Time tPIN_WAKE —3 — ms SMBus Wake Time tSMB_WAKE —4 — ms Idle Sleep Time tIDLE_SLEEP —200 — ms Thermal Regulation Limit TREG — 110 — °C Die Temperature at which current limit will be reduced. Thermal Regulation Hysteresis TREG_HYST —10 — °C Hysteresis for tREG functionality. Temperature must drop by this value before ILIM value restored to normal operation. Thermal Shutdown Threshold TTSD — 135 — °C Die Temperature at which port power switch will turn off. Thermal Shutdown Hysteresis TTSD_HYST — 35 — °C After Shutdown due to TTSD being reached, a die temperature drop is required before port power switch can be turned on again. Auto-Recovery Test Current ITEST — 190 — mA Portable device attached, VBUS = 0V, Die Temp < TTSD Auto-Recovery Test Voltage VTEST — 750 — mV Portable device attached, VBUS = 0V before application, Die Temp < TTSD Programmable, 250 - 1000 mV, default listed Discharge Impedance RDISCHARGE —100 — 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. |
Numéro de pièce similaire - UCS81003 |
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Description similaire - UCS81003 |
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