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LM3647 Datasheet(PDF) 4 Page - Texas Instruments |
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LM3647 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 19 page OBSOLETE LM3647 SNOS517H – MARCH 2000 – REVISED APRIL 2013 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. ABSOLUTE MAXIMUM RATINGS (1) (2) Supply Voltage (VCC) 7V Voltage at Any Pin −0.3V to VCC +0.3V Total Current into VCC Pin (Source) 100 mA Total Current out of GND Pin (Sink) 110 mA Storage Temperature Range -65°C to +140°C (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC Electrical Specifications are not ensured when operating the device at absolute maximum ratings. (2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. DC ELECTRICAL CHARACTERISTICS −40°C ≤ TA ≤ +85°C unless otherwise specified. Parameter Conditions Min Typ Max Units Operating Voltage 4.5 5.5 V Supply Current 2.5 mA LED-pin Sink Current 7.5 15 mA Temperature Input Levels Ni-Cd/Ni-MH Upper Limit (Voltage at TEMP-pin) 3.15 V Li-Ion Upper Limit (Voltage at TEMP-pin) 3.0 V Lower Limit (Voltage at TEMP-pin) 0.5 V Start Limit (Voltage at TEMP-pin) 2.2 V L-Ion (for both 4.1 and 4.2V Cells) Maintenance Charge Minimum Voltage (CEL pin) 2.6 V Maintenance Charge Restart Voltage (CEL pin) 2.153 V Good Battery Threshold (CEL pin) 1.2 V Maintenance Current (Voltage at CS-pin) 2.3 V Maintenance Current Lower Threshold (Voltage at CS-pin) 2.42 V Minimum Current Fast Charge Termination (Voltage at CS-pin) 2.3 V Qualification Current (Voltage at CS-pin) 2.3 V Maximum Charging Current (Voltage at CS-pin) 1.5 V Ni-Cd/Ni-MH Maximum Battery Voltage (CEL pin) 3.017 V Maximum Battery Current (Voltage at CS-pin) 1.5 V Battery Presence Limit (CEL pin) 1.0 V Discharged Battery Limit (CEL pin) 1.7 V Good Battery Threshold (CEL pin) 1.2 V Soft Start Current (Voltage at CS-pin) 2.3 V Topping Charge Current (Voltage at CS-pin) 2.3 V Maintenance Charge Current (Voltage at CS-pin) 2.425 2.45 V VREF 2.5 V AC ELECTRICAL CHARACTERISTICS Parameter Conditions Min Typ Max Units RCIN Frequency R = 3.3 k Ω, C = 68 pF 2.5 MHz Fast-PWM Frequency 250 Hz Slow-PWM Frequency 0.1 Hz 4 Submit Documentation Feedback Copyright © 2000–2013, Texas Instruments Incorporated Product Folder Links: LM3647 |
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