Datasheet LTC1443, LTC1444, LTC1445 (Analog Devices) - 5

LTC1443/LTC1444/LTC1445
Typical perForMance characTerisTics LTC1444/LTC1445 Hysteresis Control Supply Current vs Supply Voltage Supply Current vs Temperature
80 5.2 5.8 TA = 25°C IN+ = (IN– + 100mV) 60 V– = GND (LTC1443) 5.0 5.4 40 V+ = 5V 5.0 4.8 V– = 0V 20 4.6 – (mV) V+ = 5V 0 4.6 V– = –5V + – IN 4.2 V+ = 3V IN –20 4.4 V– = 0V –40 SUPPLY CURRENT (µA) SUPPLY CURRENT (µA) 3.8 4.2 –60 3.4 –80 4.0 3.0 0 10 20 30 40 50 1.0 1.5 2.0 2.5 3.0 –60 –40 –20 0 20 40 60 80 100 120 VREF – VHYST (mV) SUPPLY VOLTAGE (V) TEMPERATURE (°C) 144345 G01 144345 G02 144345 G03
LTC1444/LTC1445 Reference LTC1443 Reference Voltage LTC1443 Reference Output Voltage vs Temperature vs Temperature Voltage vs Output Load Current
1.224 1.186 1.184 V+ = 5V V+ = 5V V+ = 5V 1.184 V– = GND V– = GND 1.183 TA = 25°C 1.220 1.182 1.182 1.180 1.216 1.178 1.181 SOURCE 1.176 1.180 REFERENCE VOLTAGE (V) 1.212 REFERENCE VOLTAGE (V) 1.174 REFERENCE VOLTAGE (V) 1.172 1.179 1.208 1.170 1.178 –60 –40 –20 0 20 40 60 80 100 120 –60 –40 –20 0 20 40 60 80 100 120 140 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 TEMPERATURE (°C) TEMPERATURE (°C) LOAD CURRENT (mA) 144345 G04 144345 G05 144345 G06
LTC1443 Reference Output Comparator Output Voltage High Comparator Output Voltage Low Voltage vs Output Load Current vs Load Current vs Load Current
1.194 5.0 2.5 V+ = 5V T TA = 25°C V– = GND A = 25°C 1.192 TA = 25°C V+ = 5V 2.0 4.0 1.190 1.188 1.5 V+ = 2V V+ = 3V V+ = 5V 3.0 SINK 1.186 V+ = 3V 1.0 1.184 2.0 OUTPUT VOLTAGE HIGH (V) OUTPUT VOLTAGE LOW (V) V+ = 2V 0.5 REFERENCE OUTPUT VOLTAGE (V) 1.182 1.180 1.0 0 0 5 10 15 20 25 30 35 40 45 0 10 20 30 40 50 60 0 10 20 30 40 50 60 70 80 LOAD CURRENT (µA) LOAD CURRENT (mA) LOAD CURRENT (mA) 144345 G07 144345 G08 144345 G09 144345fe 5 Document Outline Features Applications Description Absolute Maximum Ratings Typical Application Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts