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MAX8725ETI データシート(PDF) 4 Page - Maxim Integrated Products |
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MAX8725ETI データシート(HTML) 4 Page - Maxim Integrated Products |
4 / 30 page Multichemistry Battery Chargers with Automatic System Power Selector 4 _______________________________________________________________________________________ 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 = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SUPPLY AND LINEAR REGULATOR DCIN Input Voltage Range VDCIN 8.0 28 V DCIN falling 7 7.4 DCIN Undervoltage-Lockout Trip Point DCIN rising 7.5 7.85 V DCIN Quiescent Current IDCIN 8.0V < VDCIN < 28V 2.7 6 mA VBATT = 19V, VDCIN = 0V, or ICTL = 0V 0.1 1 VBATT = 16.8V, VDCIN = 19V, ICTL = 0V 0.1 1 BATT Input Current IBATT VBATT = 2V to 19V, VDCIN > VBATT + 0.3V 200 500 µA LDO Output Voltage 8.0V < VDCIN < 28V, no load 5.25 5.4 5.55 V LDO Load Regulation 0 < ILDO < 10mA 80 115 mV LDO Undervoltage-Lockout Trip Point VDCIN = 8.0V 3.20 4 5.15 V REFERENCE REF Output Voltage Ref 0 < IREF < 500µA 4.2023 4.2235 4.2447 V REF Undervoltage-Lockout Trip Point REF falling 3.1 3.9 V TRIP POINTS BATT POWER_FAIL Threshold VDCIN - VBATT, VDCIN falling 50 100 150 mV BATT POWER_FAIL Threshold Hysteresis 100 200 300 mV ACIN Threshold ACIN rising 2.007 2.048 2.089 V ACIN Threshold Hysteresis 10 20 30 mV ACIN Input Bias Current VACIN = 2.048V -1 +1 µA SWITCHING REGULATOR DHI Off-Time VBATT = 16.0V, VDCIN = 19V, VMODE = 3.6V 360 400 440 ns DHI Minimum Off-Time VBATT = 16.0V, VDCIN = 17V, VMODE = 3.6V 260 300 350 ns DLOV Supply Current IDLOV DLO low 5 10 µA Sense Voltage for Minimum Discontinuous Mode Ripple Current 7.5 mV Cycle-by-Cycle Current-Limit Sense Voltage 97 mV Sense Voltage for Battery Undervoltage Charge Current MAX1909 only, BATT = 3.0V per cell 3 4.5 6 mV MAX1909 only, MODE = float (3 cell), VBATT rising 9.18 9.42 Battery Undervoltage Threshold MAX1909 only, MODE = LDO (4 cell), VBATT rising 12.235 12.565 V DHIV Output Voltage With respect to SRC -4.5 -5.0 -5.5 V |
同様の部品番号 - MAX8725ETI |
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同様の説明 - MAX8725ETI |
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