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MAX8568BETE Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX8568BETE Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 17 page Complete Backup-Management ICs for Lithium and NiMH Batteries 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (Circuit of Figure 7, VIN = VINOK = 3.6V, VBK = 1.4V, VNI/LI = VBKSU = 3.3V, VBKV = GND = PGND = 0V, VSTRTV = VTERMV = 1.2V, R5 = 250k Ω, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. IN, BK, BKSU, OD1, OD2 to GND.........................-0.3V to +6.0V BKV, LDO, NI/LI to GND.........................-0.3V to (VBKSU + 0.3V) REF, CHGI, INOK, TERMV, STRTV to GND...-0.3V to (VIN + 0.3V) PGND to GND ......................................................-0.3V to + 0.3V LX Current ......................................................................0.9ARMS Continuous Power Dissipation (TA = +70°C) 16-Pin 3mm x 3mm Thin QFN (derate 15.6mW/°C above +70°C) .............................1250mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER CONDITIONS MIN TYP MAX UNITS IN Voltage Range 2.8 5.5 V TA = +25°C 3 5 Charger off, VINOK = 1.5V TA = +85°C 3 IN Operating Current Charger on, not including charge current 50 90 µA CHGI Current Limit RCHGI = 169k Ω, VBK = 1.3V 8 10 12 mA CHGI Bias Voltage 600 mV CHGI Resistor Range VBK = 1.3V 50 1800 k Ω VIN = 5.5V, VNI/LI = 0V 4.116 4.2 4.284 VIN = 3.8V, VNI/LI = 0V, VTERMV = 1V 3.42 3.5 3.58 BK Charge Voltage Limit VIN = VNI/LI = 3.6V 1.746 1.8 1.854 V TA = +25°C 0.01 0.5 BK Reverse Leakage Current to IN VIN = 0V TA = +85°C 0.1 µA NiMH Mode BK High Threshold Voltage, VBK(NIHI) VTERMV = 1.2V 1.37 1.4 1.43 V NiMH Mode BK Low Threshold Voltage, VBK(NILO) VSTRTV = 1.2V 1.17 1.2 1.23 V TA = +25°C 0.001 0.05 TERMV Input Current VTERMV = 1.1V TA = +85°C 0.01 µA TA = +25°C 0.001 0.05 STRTV Input Current VSTRTV = 1.1V TA = +85°C 0.01 µA REF Output Voltage IREF = 1µA 1.23 1.25 1.27 V REF Load Regulation IREF = 1µA to 50µA 2.5 10 mV REF Line Regulation VIN = 3V to 5.5V, IREF = 1µA 1 7 mV VINOK falling 2.38 2.43 2.48 INOK Threshold Voltage VINOK rising 2.40 2.47 2.54 V TA = +25°C 0.005 0.1 INOK Input Current VINOK = 2V TA = +85°C 0.05 µA NI/LI Logic-Level High VBKSU = 3.3V 1.8 V NI/LI Logic-Level Low VBKSU = 3.3V 0.4 V |
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