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MAX1737EEI Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX1737EEI Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 18 page Stand-Alone Switch-Mode Lithium-Ion Battery-Charger Controller 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (Circuit of Figure 1, VDCIN = VCSSN = VCSSP = +18V, SHDN = VL, CELL = GND, VBATT = VCS = +4.2V, VVADJ = VREF / 2, ISETIN = ISETOUT = REF, RTHM = 10k Ω, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) 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. CSSP, CSSN, DCIN to GND ...................................-0.3V to +30V BST, DHI to GND....................................................-0.3V to +36V BST to LX..................................................................-0.3V to +6V DHI to LX ..........................................-0.3V to ((BST - LX) + 0.3V) LX to GND ...............................................-0.3V to (CSSN + 0.3V) FULLCHG, FASTCHG, FAULT to GND ..................-0.3V to +30V VL, VLO, SHDN, CELL, TIMER1, TIMER2, CCI, CCS, CCV, REF, ISETIN, ISETOUT, VADJ, THM to GND ........................................................-0.3V to +6V DLO to GND...............................................-0.3V to (VLO + 0.3V) BATT, CS to GND ...................................................-0.3V to +20V PGND to GND, CSSP to CSSN..............................-0.3V to +0.3V VL to VLO ..............................................................-0.3V to +0.3V VL Source Current...............................................................50mA Continuous Power Dissipation (TA = +70°C) 28-Pin QSOP (derate 10.8mW/°C above +70°C)........860mW 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 V REF Output Voltage SWITCHING REGULATOR SUPPLY AND REFERENCE With 1% VADJ resistors -1 +1 Absolute Voltage Accuracy Not including VADJ resistor tolerances -0.8 +0.8 % VVADJ = REF VVADJ = GND 4.386 4.421 4.453 PARAMETER CONDITIONS MIN TYP MAX UNITS 6.0V < VDCIN < 28V SHDN = GND, VBATT = 19V LX = VDCIN = 28V, SHDN = GND IREF = 0 to 1mA 6V < VDCIN < 28V VCSSN = VCSSP = VDCIN = 28V, SHDN = GND In dropout fOSC /4, VCCV = 2.4V, VBATT = 15V, CELL = VL 6.0V < VDCIN < 28V VBATT = 15V, CELL = VL IVL = 0 to 15mA µA 0.1 5 BATT, CS Input Current µA 0.1 10 LX Leakage Ω 7 DHI, DLO On-Resistance µA 210 CSSN + CSSP Off-State Leakage % 97 98 LX Maximum Duty Cycle kHz 270 300 330 PWM Oscillator Frequency mA 57 DCIN Quiescent Supply Current V 628 DCIN Input Voltage Range mV 614 REF Load Regulation mV 26 REF Line Regulation 4.179 4.20 4.221 V 0.05 0.155 DCIN to BATT Undervoltage Threshold, DCIN Falling V 0.19 0.40 DCIN to BATT Undervoltage Threshold, DCIN Rising V 5.10 5.40 5.70 VL Output Voltage mV 44 65 VL Output Load Regulation 225 500 CELL = SHDN = VL, VBATT = 17V BATT, CS Input Voltage Range Battery Regulation Voltage (VBATTR) CELL = float, GND, VL, or REF (Note 1) 019 4.167 4.2 4.233 V V/cell Battery Regulation Voltage Adjustment Range VCCV = 2V 3.948 3.979 4.010 V/cell |
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