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MAX16040LLA31+T Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX16040LLA31+T Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 21 page Low-Power Battery Backup Circuits in Small µDFN Packages 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VCC = 2.25V to 5.5V, VBATT = 3V, RESET not asserted, TA = -40°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. Terminal Voltages (with respect to GND) VCC, BATT, OUT .......................................................-0.3V to +6V RESET (open drain), PFO (open drain) ....................-0.3V to +6V RESET (push-pull), PFO (push-pull), BATTON, RESETIN, WDI MR, CEIN, CEOUT, PFI ............................-0.3V to (VOUT + 0.3V) Input Current VCC Peak..............................................................................1A VCC Continuous ............................................................250mA BATT Peak ....................................................................250mA BATT Continuous ............................................................40mA GND ................................................................................75mA Output Current OUT ..................................Short-Circuit Protected for up to 5s RESET, BATTON .............................................................20mA Continuous Power Dissipation (TA = +70°C) 8-Pin µDFN (derate 4.8mW/°C above +70°C) ..........380.6mW 10-Pin µDFN (derate 5mW/°C above +70°C) ...........402.8mW Operating Temperature Range ...........................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Operating Voltage Range VCC, VBATT No load (Note 2) 0 5.5 V VCC = 2.8V 13 30 VCC = 3.6V 16 35 Supply Current ICC No load, VCC > VTH VCC = 5.5V 22 50 µA TA = +25°C 1 Supply Current in Battery Backup Mode VBATT = 2.8V, VCC = 0V, excluding IOUT TA = -40°C to +85°C 2 µA TA = +25°C -0.1 +0.02 BATT Standby Current (Note 3) IBATT (VBATT + 0.2V) < VCC < 5.5V TA = -40°C to +85°C -0.3 +0.02 µA VCC = 4.75V, VCC > VTH, IOUT = 150mA 3.1 VCC = 3.15V, VCC > VTH, IOUT = 65mA 3.7 VCC to OUT On-Resistance RON VCC = 2.5V, VCC > VTH, IOUT = 25mA 4.6 Ω VBATT = 4.50V, VCC = 0V, IOUT = 20mA VBATT - 0.2 VBATT = 3.15V, VCC = 0V, IOUT = 10mA VBATT - 0.15 Output Voltage in Battery Backup Mode VOUT VBATT = 2.5V, VCC = 0V, IOUT = 5mA VBATT - 0.15 V VCC rising 0 Battery-Switchover Threshold VSW VCC - VBATT, VCC < VTH VCC falling -40 mV |
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