Datasheet LTC4070 (Analog Devices) - 4

LTC4070
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Battery Discharge ICC vs VCC Load Regulation ∆VFLOAT vs ICC VFLOAT vs Temperature, ICC = 1mA
1000 10 4.30 ADJ = GND NO NTC 900 9 4.25 800 8 ADJ = VCC 4.20 700 7 600 6 4.15 (mV) (V) ADJ = FLOAT (nA) 500 T 5 T 4.10 I CC 400 4 V FLOA FALLING ∆V FLOA 4.05 300 3 ADJ = GND 4.00 200 RISING 2 100 1 3.95 0 0 3.90 0 1 2 3 4 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 VCC (V) ICC (mA) TEMPERATURE (°C) 4070 G01 4070 G02 4070 G03
VHBTH VCC Rising vs Temperature VHBHY vs Temperature ICCQ vs Temperature (ADJ = VCC) (ADJ = VCC) (ADJ = VCC)
1000 100 300 900 90 250 800 80 700 70 200 600 60 (nA) 500 (mV) 50 (mV) 150 I CCQ 400 V HBTH 40 V HBHY 100 300 30 200 20 50 100 10 0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 4070 G04 4070 G05 4070 G06
VFLOAT vs NTC Temperature, ICC = 1mA VLBTH VCC Falling vs Temperature VLBHY vs Temperature
4.3 3.250 320 ADJ = V 3.245 4.2 CC 300 ADJ = V 3.240 CC ADJ = FLOAT ADJ = FLOAT 4.1 3.235 280 3.230 (V) T ADJ = GND (V) (V) 4.0 3.225 260 V FLOA V LBTH ADJ = GND 3.220 V LBHY 3.9 240 3.215 ADJ = GND ADJ = FLOAT 3.8 3.210 ADJ = VCC 220 3.205 3.7 3.200 200 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 4070 G07 4070 G08 4070 G09 Rev. D 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts