Datasheet LT1680 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | High Power DC/DC Step-Up Controller |
| Pages / Page | 16 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Error Amplifier Source Current. SS … |
| File Format / Size | PDF / 228 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Error Amplifier Source Current. SS Output Current. RUN/SHDN Rising Threshold
Model Line for this Datasheet
Text Version of Document
LT1680
W U TYPICAL PERFOR A CE CHARACTERISTICS Error Amplifier Source Current SS Output Current RUN/SHDN Rising Threshold vs Temperature vs Temperature vs Temperature
350 9 1.26 µA) 325 1.25 µA) 300 8 1.24 275 1.23 250 7 1.22 SS OUTPUT CURRENT ( 225 1.21 RUN/SHDN RISING THRESHOLD (V) ERROR AMPLIFIER SOURCE CURRENT ( 200 6 1.20 –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) 1680 G10 1680 G11 1680 G12
Average Current Limit Threshold RUN/SHDN Threshold Hysteresis Sense Voltage vs Common Mode vs Temperature Voltage UVLO Thresholds vs Temperature
26 160 10.00 FULL OPERATING 150 TEMPERATURE RANGE 9.75 25 140 9.50 RISING 24 UPPER LIMIT 130 9.25 (mV) TYPICAL (V) 23 120 9.00 FALLING 12VIN SENSE LOWER LIMIT V V 110 8.75 22 100 8.50 21 90 8.25 RUN/SHDN THRESHOLD HYSTERESIS (mV) 20 80 8.00 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 60 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) VSENSE(CM) (V) TEMPERATURE (°C) 1680 G13 1680 G14 1680 G15
Sense Amplifier Input Bias Sense Amplifier Input Bias RUN/SHDN Input Current Current (Source) vs Temperature Current (Sink) vs Temperature vs Pin Voltage
1200 60 800 VCMSENSE = 0V VCMSENSE = 10V FULL OPERATING 1100 700 TEMPERATURE 55 RANGE 1000 600 50 µA) 900 500 ( µA) ( 800 45 400 UPPER TYPICAL LIMIT 700 I B(SINK) 300 I B(SOURCE) 40 600 200 LOWER 35 RUN/SHDN INPUT CURRENT (nA ) 500 100 LIMIT 400 30 0 .. –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 0.5 1.0 (1.25) 1.5 2.0 TEMPERATURE (°C) TEMPERATURE (°C) RUN/SHDN PIN VOLTAGE (V) 1680 G16 1680 G17 1680 G18 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Error Amplifier Source Current SS Output Current RUN/SHDN Rising Threshold vs Temperature vs Temperature vs Temperature
350 9 1.26 µA) 325 1.25 µA) 300 8 1.24 275 1.23 250 7 1.22 SS OUTPUT CURRENT ( 225 1.21 RUN/SHDN RISING THRESHOLD (V) ERROR AMPLIFIER SOURCE CURRENT ( 200 6 1.20 –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) 1680 G10 1680 G11 1680 G12
Average Current Limit Threshold RUN/SHDN Threshold Hysteresis Sense Voltage vs Common Mode vs Temperature Voltage UVLO Thresholds vs Temperature
26 160 10.00 FULL OPERATING 150 TEMPERATURE RANGE 9.75 25 140 9.50 RISING 24 UPPER LIMIT 130 9.25 (mV) TYPICAL (V) 23 120 9.00 FALLING 12VIN SENSE LOWER LIMIT V V 110 8.75 22 100 8.50 21 90 8.25 RUN/SHDN THRESHOLD HYSTERESIS (mV) 20 80 8.00 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 60 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) VSENSE(CM) (V) TEMPERATURE (°C) 1680 G13 1680 G14 1680 G15
Sense Amplifier Input Bias Sense Amplifier Input Bias RUN/SHDN Input Current Current (Source) vs Temperature Current (Sink) vs Temperature vs Pin Voltage
1200 60 800 VCMSENSE = 0V VCMSENSE = 10V FULL OPERATING 1100 700 TEMPERATURE 55 RANGE 1000 600 50 µA) 900 500 ( µA) ( 800 45 400 UPPER TYPICAL LIMIT 700 I B(SINK) 300 I B(SOURCE) 40 600 200 LOWER 35 RUN/SHDN INPUT CURRENT (nA ) 500 100 LIMIT 400 30 0 .. –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 0.5 1.0 (1.25) 1.5 2.0 TEMPERATURE (°C) TEMPERATURE (°C) RUN/SHDN PIN VOLTAGE (V) 1680 G16 1680 G17 1680 G18 5
