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MAX1909 Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX1909 Datasheet(HTML) 7 Page - Maxim Integrated Products |
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7 / 30 page  Multichemistry Battery Chargers with Automatic System Power Selector _______________________________________________________________________________________ 7 ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, VDCIN = VCSSP = VCSSN = 18V, VBATT = VCSIP = VCSIN = 12V, VVCTL = VICTL = 1.8V, MODE = float, ACIN = 0, CLS = REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, TA = -40°C to +85°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS MAX1909: VICTL = 3.6V x 0.5, MAX8725: VICTL = 3.2V x 0.5 (including ICTL resistor tolerances of 1%) -7.0 +7.0 Charge-Current Accuracy VICTL = VLDO (default threshold of 45mV) -5 +5 % VICTL Default Threshold VICTL rising 4.3 V BATT/CSIP/CSIN Input Voltage Range 0 19 V CSIP/CSIN Input Current Charging enabled 650 µA MAX1909 0.75 ICTL Power-Down Mode Threshold Voltage MAX8725 0.06 V MAX1909 0.85 ICTL Power-Up Mode Threshold Voltage MAX8725 0.11 V INPUT CURRENT REGULATION CSSP-to-CSSN Full-Scale Current-Sense Voltage 72.75 77.25 mV VCLS = REF -3 +3 VCLS = REF x 0.75 -3 +3 Input Current-Limit Accuracy VCLS = REF x 0.5 -4 +4 % CSSP/CSSN Input Voltage Range 8.0 28 V CSSP/CSSN Input Current VCSSP = VCSSN = VDCIN > 8.0V 730 µA CLS Input Range 1.6 REF V IINP Transconductance VCSSP - VCSSN = 56mV 2.7 3.3 mA/V VCSSP - VCSSN = 75mV, terminated with 10kΩ -7.5 +7.5 VCSSP - VCSSN = 56mV, terminated with 10kΩ -5 +5 IINP Accuracy VCSSP - VCSSN = 20mV, terminated with 10kΩ -10 +10 % IINP Output Current VCSSP - VCSSN = 150mV, VIINP = 0V 350 µA IINP Output Voltage VCSSP - VCSSN = 150mV, VIINP = float 3.5 V SUPPLY AND LINEAR REGULATOR DCIN Input Voltage Range VDCIN 8.0 28 V DCIN falling 7 DCIN Undervoltage-Lockout Trip Point DCIN rising 7.85 V DCIN Quiescent Current IDCIN 8.0V < VDCIN < 28V 6 mA BATT Input Current IBATT VBATT = 2V to 19V, VDCIN > VBATT + 0.3V 500 µA LDO Output Voltage 8.0V < VDCIN < 28V, no load 5.25 5.55 V LDO Load Regulation 0 < ILDO < 10mA 115 mV |
Similar Part No. - MAX1909 |
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Similar Description - MAX1909 |
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