Datasheet LTC4010 (Analog Devices) - 6

LTC4010 Typical perForMance characTerisTics
Charger Efficiency Charger Efficiency Charger Soft-Start
90 100 DCIN = 5.5V DCIN = 20V IOUT = 2A IOUT = 2A 10 SWITCHING 85 90 5 TGATE 80 5 VOLTAGE (V) BGATE 80 0 75 2 EFFICIENCY (%) EFFICIENCY (%) AMPS (A) FAST CHARGE CURRENT 70 1 70 PRECHARGE 0 CURRENT 65 60 1 1.5 2 2.5 3 3.5 4 4.5 0 2 4 6 8 10 12 14 16 18 20 200µs/DIV 4010 G14 BATTERY VOLTAGE (V) BATTERY VOLTAGE (V) 4010 G12 4010 G13
Fast Charge Current Line Fast Charge Current Output Regulation Regulation Shutdown Quiescent Current
3 3 10 BAT = 4.8V VCC = 20V 2 2 8 1 1 6 0 50°C 0 50°C 25°C 25°C 4 –1 –1 CURRENT (µA) CURRENT ERROR (%) 0°C CURRENT ERROR (%) 0°C –2 –2 2 –3 –3 0 6 10 14 18 22 26 30 0 4 8 12 16 –50 –30 –10 10 30 50 70 90 VCC (V) BATTERY VOLTAGE (V) TEMPERATURE (°C) 4010 G15 4010 G16 4010 G17
Undervoltage Lockout Threshold Shutdown Threshold Voltage PWM Input Bias Current (OFF) Voltage (VCC – BAT)
6 4.45 100 5 4.35 80 4 VCC INCREASING 4.25 60 3 2 40 CURRENT (µA) VOLTAGE (V) 4.15 BAT VOLTAGE (mV) 1 VCC DECREASING SENSE 4.05 20 0 –1 3.95 0 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 4010 G18 4010 G19 4010 G20 4010fb Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Related Parts