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LTC4010 Datasheet(PDF) 4 Page - Linear Technology |
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LTC4010 Datasheet(HTML) 4 Page - Linear Technology |
4 / 24 page LTC4010 4010fb elecTrical characTerisTics Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC4010E is guaranteed to meet performance specifications from 0°C to 70°C. Specifications over the 0°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls. Note 3: Operating junction temperature TJ (in °C) is calculated from the ambient temperature TA and the total continuous package power dissipation PD (in watts) by the formula: TJ = TA + qJA • PD Refer to the Applications Information section for details. This IC includes overtemperature protection that is intended to protect the device during momentary overload conditions. Junction temperature will exceed 125°C The l indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Charger Timing ∆tTIMER Internal Time Base Error l –10 10 % ∆tMAX Programmable Timer Error RTIMER = 49.9k l –20 20 % Status and Chemistry Select VOL Output Voltage Low (ILOAD = 10mA) VCDIV All Other Status Outputs l l 435 300 700 600 mV mV ILKG Output Leakage Current All Status Outputs Inactive, VOUT = VCC l –10 10 µA IIH(VCDIV) Input Current High VCDIV = VBAT (Shutdown) l –1 1 µA VIL Input Voltage Low CHEM (NiMH) l 900 mV VIH Input Voltage High CHEM (NiCd) l 2.85 V IIL Input Current Low CHEM = GND l –20 –5 µA IIH Input Current High CHEM = 3.3V l –20 20 µA when overtemperature protection is active. Continuous operation above the specified maximum operating junction temperature may result in device degradation or failure. Note 4: All current into device pins are positive. All current out of device pins are negative. All voltages are referenced to GND, unless otherwise specified. Note 5: Output current may be limited by internal power dissipation. Refer to the Applications Information section for details. Note 6: Either TGATE VOH may apply for 7.5V < VCC < 9V. Note 7: These limits apply specifically to the thermistor network shown in Figure 5 in the Applications Information section with a b of 3750 and are guaranteed by specific VTEMP voltage measurements during test. Note 8: These limits are guaranteed by correlation to wafer level measurements. TIME (MINUTES) 0 1.50 1.55 1.60 60 4010 G01 1.45 1.40 20 40 80 1.35 1.30 1.65 30 32 34 28 26 24 22 36 CHARGE CURRENT BATTERY TEMPERATURE SINGLE CELL VOLTAGE 1A TIME (MINUTES) 0 1.60 1.65 1.70 30 4010 G02 1.55 1.50 10 20 40 1.45 1.35 1.40 1.75 40 45 50 35 30 25 15 20 55 CHARGE CURRENT BATTERY TEMPERATURE SINGLE CELL VOLTAGE 1A 2A 3A 4 SERIES NiCd 1300mAhr SC CELLS CHARGED AT 2C NiCd Charge Cycle at 1C NiCd Charge Cycle at 2C Typical perForMance characTerisTics |
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