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MCP73837T6SIMF bảng dữ liệu(PDF) 6 Page - Microchip Technology |
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MCP73837T6SIMF bảng dữ liệu(HTML) 6 Page - Microchip Technology |
6 / 30 page MCP73837/8 DS22071A-page 6 © 2007 Microchip Technology Inc. Timer Enable (TE) Input High Voltage Level VIH 2— — V Input Low Voltage Level VIL —— 0.8 V Input Leakage Current ILK —0.01 1 µA VTE = VDD Thermistor Bias Thermistor Current Source ITHERM 47 50 53 µA 2 k Ω < RTHERM < 50 kΩ Thermistor Comparator Upper Trip Threshold VT1 1.20 1.23 1.26 V VT1 Low to High Upper Trip Point Hysteresis VT1HYS —-40 — mV Lower Trip Threshold VT2 0.235 0.250 0.265 V VT2 High to Low Lower Trip Point Hysteresis VT2HYS —40 — mV System Test (LDO) Mode Input High Voltage Level VIH —— VDD - 0.1 V THERM Input Sink Current ISINK 3 5.5 20 µA Stand-by Or System Test Mode Bypass Capacitance CBAT 1 4.7 —— µF µF IOUT < 250 mA IOUT > 250 mA Automatic Power Down (SLEEP Comparator, Direction Control) Automatic Power Down Entry Threshold VPD VBAT + 10 mV VBAT + 100 mV — V 2.3V < VBAT < VREG VDD Falling Automatic Power Down Exit Threshold VPDEXIT -VBAT + 150 mV VBAT + 250 mV V2.3V < VBAT < VREG VDD Rising Thermal Shutdown Die Temperature TSD — 150 — °C Die Temperature Hysteresis TSDHYS —10 — °C DC CHARACTERISTICS (Continued) Electrical Specifications: Unless otherwise indicated, all limits apply for VDD= [VREG(typical) + 0.3V] to 6V, TA = -40°C to +85°C. Typical values are at +25°C, VDD = [VREG (typical) + 1.0V] Parameters Sym Min Typ Max Units Conditions Note 1: The supply voltage (VDD) = VAC when input power source is from Ac-Adapter and the supply voltage (VDD) = VUSB when input power source is from USB-Port. 2: The value is guaranteed by design and not production tested. 3: The current is based on the ratio of selected current regulation (IREG). 4: The maximum charge impedance has to be less than shutdown impedance for normal operation. |
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