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MAX6439 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX6439 Datasheet(HTML) 5 Page - Maxim Integrated Products |
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5 / 14 page 
Low-Power, Single-/Dual-Level Battery Monitors with Hysteresis and Integrated µP Reset _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (continued) (VBATT = 1.2V to 5.5V, VCC = 1.2V to 5.5V, TA = -40°C to +85°C, unless otherwise specified. Typical values are at TA = +25°C.) (Note1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VCC ≥ 1.53V, ISOURCE = 100µA, RESET deasserted 0.8 x VCC RESET Output High (Push-Pull) VOH VCC ≥ 2.55V, ISOURCE = 500µA, RESET deasserted 0.8 x VCC V VCC ≥ 1.0V, ISINK = 50µA, RESET asserted 0.3 VCC ≥ 1.2V, ISINK = 100µA, RESET asserted 0.3 RESET Output Low VOL VCC ≥ 2.12V, ISINK = 1.2mA, RESET asserted 0.3 V RESET Output Leakage Current (Open Drain) RESET deasserted 500 nA Typical Operating Characteristics (VBATT = 1.2V to 5.5V, VCC = 1.2V to 5.5V, unless otherwise specified. Typical values are at TA = +25°C.) SUPPLY CURRENT vs. TEMPERATURE VCC = 3.3V, VBATT = 3.6V TEMPERATURE ( °C) TOTAL IBATT 60 40 20 0 -20 1 2 3 4 0 -40 80 ICC NORMALIZED LBO TIMEOUT PERIOD vs. TEMPERATURE TEMPERATURE ( °C) 60 40 20 0 -20 0.95 1.00 1.05 1.10 0.90 -40 80 NORMALIZED RESET TIMEOUT PERIOD vs. TEMPERATURE TEMPERATURE ( °C) 60 40 20 0 -20 0.990 0.985 1.000 0.995 1.005 1.010 1.015 0.980 -40 80 Note 1: Production testing done at TA = +25°C; limits over temperature guaranteed by design only. Note 2: The device is powered up by the highest voltage between VBATT and VCC. Note 3: MR input ignores falling input pulses, which occur within the MR debounce period (tDEB) after a valid MR reset assertion. This prevents invalid reset assertion due to switch bounce. |
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