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LTC1759CG Datasheet(PDF) 4 Page - Linear Technology |
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LTC1759CG Datasheet(HTML) 4 Page - Linear Technology |
4 / 28 page 4 LTC1759 ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Thermistor Decoder (Note 11) Combined Input Leakage on RNR and THERM 200 nA Thermistor Trip (COLD/OR) RWEAK = 475k ±1% q 80 100 120 k Ω Thermistor Trip (IDEAL/COLD) RNR = 10k ±1% q 26.4 30 33.6 k Ω Thermistor Trip (HOT/IDEAL) RNR = 10k ±1% q 2.64 3 3.36 k Ω Thermistor Trip (UR/HOT) RUR = 1k ±1% q 440 500 560 Ω DACs Charging Current Resolution Guaranteed Monotonic Above IMAX/16 10 bits Charging Current Granularity RILIMIT = 0 1 mA RILIMIT = 10k ±1% 2 mA RILIMIT = 33k ±1% 4 mA RILIMIT = Open (or Short to VDD)8 mA Wake-Up Charging Current (IWAKE-UP) (Note 8) 80 mA Charging Current Limit (IMAX)RILIMIT = 0 1023 mA RILIMIT = 10k ±1 % 2046 mA RILIMIT = 33k ±1 % 4092 mA RILIMIT = Open (or Short to VDD) 8184 mA ISET RDS(ON) 25 Ω ISET IOFF VISET = 2.7V q 1 µA Charging Voltage Resolution Guaranteed Monotonic (2.5V ≤ VBAT ≤ 21V) 10 bits Charging Voltage Granularity RVLIMIT = 0 16 mV RVLIMIT = 10k ±1% 16 mV RVLIMIT = 33k ±1% 32 mV RVLIMIT = 100k ±1% 32 mV RVLIMIT = Open (or Short to VDD)32 mV Charging Voltage Limit RVLIMIT = 0 q 8.33 8.432 8.485 V RVLIMIT = 10k ±1% q 12.50 12.64 12.72 V RVLIMIT = 33k ±1% q 16.67 16.864 16.97 V RVLIMIT = 100k ±1% q 20.82 21.056 21.18 V RVLIMIT = Open (or Short to VDD) (Note 2) 32.736 V Logic Levels (Note 12) SCL/SDA Input Low Voltage (VIL) q 0.6 V SCL/SDA Input High Voltage (VIH) q 1.4 V SDA Output Low Voltage (VOL)IPULLUP = 350µA q 0.4 V SCL/SDA Input Current (IIL)VSDA, VSCL = VIL q 1 µA SCL/SDA Input Current (IIH)VSDA, VSCL = VIH q 1 µA INTB Output Low Voltage (VOL)IPULLUP = 500µA q 0.4 V INTB Output Pull-Up Current VINTB = VOL q 3.5 10 17.5 µA CHGEN Output Low Voltage (VOL)IOL = 200µA q 0.4 V CHGEN Output High Voltage (VOH)IOH = – 200µA q VDD – 0.4 V SDB Shutdown Threshold q 12 V SDB Pin Current 0V ≤ VSDB ≤ 3V 8 µA Power-On Reset Duration VDD Ramp from 0V to > 3V in < 5µs 100 µs The q denotes specifications which apply over the full operating temperature range (TJ = 0°C to 100°C), otherwise specifications are TA = 25°C. VCC = DCIN = 18V, VBAT1, 2 = 12.6V, VDD = 3.3V unless otherwise specified. |
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