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MAX1870 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1870 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 32 page Step-Up/Step-Down Li+ Battery Charger _______________________________________________________________________________________ 3 PARAMETER CONDITIONS MIN TYP MAX UNITS DCIN = 0 0.1 2 ICTL = 0 0.1 2 CSIN Input Current ICTL = REFIN 0.1 2 µA ICTL Power-Down-Mode Threshold Voltage REFIN / 100 REFIN / 55 REFIN / 32 V 0 < VICTL < VREFIN -1 +1 ICTL Input Bias Current ICTL = DCIN = 0, VREFIN = 3.6V -1 +1 µA INPUT-CURRENT REGULATION CLS = REF 97 105 113 Charger-Input Current-Limit Accuracy (VCSSP - VCSSN) CSSS = CSSP CLS = REF x 0.845 81 88 95 mV CLS = REF 97 105 113 System-Input Current-Limit Accuracy (VCSSP - VCSSS) CSSN = CSSP CLS = REF x 0.845 81 88 95 mV CSSP/CSSS/CSSN Input Voltage Range 8 28 V VCSSP = VCSSN = VCSSS = VDCIN = 6V -1 +1 CSSP Input Current VCSSP = VCSSN = VCSSS = VDCIN = 8V, 28V 700 1200 µA VCSSP = VCSSN = VCSSS = VDCIN = 6V -1 +1 CSSS/CSSN Input Current VCSSP = VCSSN = VCSSS = VDCIN = 8V, 28V -1 +1 µA CLS Input Range VREF / 2 VREF V CLS Input Bias Current CLS = REF -1 +1 µA IINP Transconductance VCSSP - VCSSS = 102mV, CSSN = CSSP 2.5 2.8 3.1 µA/mV VCSSP - VCSSN = 200mV, VIINP = 0V 350 IINP Output Current VCSSP - VCSSS = 200mV, VIINP = 0V 350 µA VCSSP - VCSSN = 200mV, IINP float 3.5 IINP Output Voltage VCSSP - VCSSS = 200mV, IINP float 3.5 V SUPPLY AND LINEAR REGULATOR DCIN Input Voltage Range 8 28 V DCIN falling 4 6.2 DCIN Undervoltage Lockout DCIN rising 6.3 7.85 V DCIN Quiescent Current 8.0V < VDCIN < 28V 3.5 6 mA BATT Input Voltage Range 0 19 V DCIN = 0 0.1 1 BATT Input Bias Current VBATT = 2V to 19V 300 500 µA LDO Output Voltage No load 5.3 5.4 5.5 V LDO Load Regulation 0 < ILDO < 10mA 70 150 mV LDO Undervoltage Lockout VDCIN = 8V, LDO rising 4.00 5.0 5.25 V ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 2, VDCIN = VCSSP = VCSSN = VCSSS = VVHP = 18V, VBATT = VCSIP = VCSIN = VBLKP = 12V, VREFIN = 3.0V, VICTL = 0.75 x VREFIN, VCTL = LDO, CELLS = FLOAT, GND = PGND = 0, VDLOV = 5.4V, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) |
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Similar Description - MAX1870 |
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