Datasheet LT1575, LT1577 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Ultrafast Transient Response, Low Dropout Regulators Adjustable and Fixed |
| Pages / Page | 20 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS. Adjustable LT1575 VREF. FB Input … |
| File Format / Size | PDF / 320 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Adjustable LT1575 VREF. FB Input Bias Current. Quiescent Current vs Temperature
Model Line for this Datasheet
- LT1575CN8#PBF LT1575CN8#PBF LT1575CN8-1.5#PBF LT1575CN8-1.5#PBF LT1575CN8-2.8#PBF LT1575CN8-2.8#PBF LT1575CN8-3.3#PBF LT1575CN8-3.3#PBF LT1575CN8-3.5#PBF LT1575CN8-3.5#PBF LT1575CN8-5#PBF LT1575CN8-5#PBF LT1575CS8#PBF LT1575CS8#PBF LT1575CS8#TRPBF LT1575CS8#TRPBF LT1575CS8-1.5#PBF LT1575CS8-1.5#PBF LT1575CS8-2.8#PBF LT1575CS8-2.8#PBF LT1575CS8-3.3#PBF LT1575CS8-3.3#PBF LT1575CS8-3.5#PBF LT1575CS8-3.5#PBF LT1575CS8-5#PBF LT1575CS8-5#PBF
Text Version of Document
LT1575/LT1577
W U TYPICAL PERFORMANCE CHARACTERISTICS Adjustable LT1575 VREF FB Input Bias Current Quiescent Current vs Temperature vs Temperature vs Temperature
19 1.222 4.0 18 1.220 3.5 17 1.218 16 1.216 µA) 3.0 15 VIN = 12V 14 1.214 VIN = 20V 2.5 13 1.212 12 V 1.210 2.0 IN = 8V 11 1.208 1.5 10 1.206 9 1.204 1.0 V QUIESCENT CURRENT (mA) REFERENCE VOLTAGE (V) IN = 20V 8 FB INPUT BIAS CURRENT ( 7 1.202 V 0.5 IN = 12V V 6 1.200 IN = 8V 5 1.198 0 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 – 50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1575/77 G01 1575/77 G02 1575/77 G03
LT1575-1.5 VOUT vs Temperature LT1575-2.8 VOUT vs Temperature LT1575-3.3 VOUT vs Temperature
1.515 2.828 3.333 2.824 3.327 1.512 2.800 3.321 1.509 2.816 3.315 1.506 2.812 2.808 3.309 1.503 2.804 3.303 1.500 2.800 3.297 2.796 1.497 2.792 3.291 1.494 OUTPUT VOLTAGE (V) 2.788 OUTPUT VOLTAGE (V) 3.285 REFERENCE VOLTAGE (V) 1.491 2.784 3.279 2.780 1.488 3.273 2.776 1.485 2.772 3.267 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1575/77 G04 1575/77 G05 1575/77 G06
OUT Divider Current LT1575-3.5 VOUT vs Temperature LT1575-5 VOUT vs Temperature vs Temperature
3.535 5.050 1.5 3.530 5.040 1.4 3.525 3.520 5.030 1.3 3.515 5.020 1.2 3.510 5.010 1.1 3.505 3.500 5.000 1.0 3.495 4.990 0.9 3.490 3.485 4.980 0.8 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 3.480 4.970 OUT DIVIDER CURRENT (mA) 0.7 3.475 4.960 0.6 3.470 3.465 4.950 0.5 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 – 50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1575/77 G07 1575/77 G08 1575/77 G09 4
W U TYPICAL PERFORMANCE CHARACTERISTICS Adjustable LT1575 VREF FB Input Bias Current Quiescent Current vs Temperature vs Temperature vs Temperature
19 1.222 4.0 18 1.220 3.5 17 1.218 16 1.216 µA) 3.0 15 VIN = 12V 14 1.214 VIN = 20V 2.5 13 1.212 12 V 1.210 2.0 IN = 8V 11 1.208 1.5 10 1.206 9 1.204 1.0 V QUIESCENT CURRENT (mA) REFERENCE VOLTAGE (V) IN = 20V 8 FB INPUT BIAS CURRENT ( 7 1.202 V 0.5 IN = 12V V 6 1.200 IN = 8V 5 1.198 0 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 – 50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1575/77 G01 1575/77 G02 1575/77 G03
LT1575-1.5 VOUT vs Temperature LT1575-2.8 VOUT vs Temperature LT1575-3.3 VOUT vs Temperature
1.515 2.828 3.333 2.824 3.327 1.512 2.800 3.321 1.509 2.816 3.315 1.506 2.812 2.808 3.309 1.503 2.804 3.303 1.500 2.800 3.297 2.796 1.497 2.792 3.291 1.494 OUTPUT VOLTAGE (V) 2.788 OUTPUT VOLTAGE (V) 3.285 REFERENCE VOLTAGE (V) 1.491 2.784 3.279 2.780 1.488 3.273 2.776 1.485 2.772 3.267 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1575/77 G04 1575/77 G05 1575/77 G06
OUT Divider Current LT1575-3.5 VOUT vs Temperature LT1575-5 VOUT vs Temperature vs Temperature
3.535 5.050 1.5 3.530 5.040 1.4 3.525 3.520 5.030 1.3 3.515 5.020 1.2 3.510 5.010 1.1 3.505 3.500 5.000 1.0 3.495 4.990 0.9 3.490 3.485 4.980 0.8 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 3.480 4.970 OUT DIVIDER CURRENT (mA) 0.7 3.475 4.960 0.6 3.470 3.465 4.950 0.5 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 – 50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1575/77 G07 1575/77 G08 1575/77 G09 4
