Datasheet LTC3806 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Synchronous Flyback DC/DC Controller |
| Pages / Page | 20 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. FB Voltage vs Temperature. FB … |
| File Format / Size | PDF / 219 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. FB Voltage vs Temperature. FB Voltage Line Regulation. FB Pin Current vs Temperature
Model Line for this Datasheet
Text Version of Document
LTC3806
W U TYPICAL PERFOR A CE CHARACTERISTICS FB Voltage vs Temperature FB Voltage Line Regulation FB Pin Current vs Temperature
1.2400 1.2310 30 TA = 25°C 25 1.2350 1.2305 20 1.2300 1.2300 15 1.2250 FB VOLTAGE (V) FB VOLTAGE (V) 10 FB PIN CURRENT (nA) 1.2295 1.2200 5 1.2150 1.2290 0 –40 –15 10 35 60 85 10 11 12 13 14 15 16 17 18 19 20 –40 –15 10 35 60 85 TEMPERATURE (°C) V TEMPERATURE (°C) IN (V) 3806 G01 3806 G02 3806 G03
Shutdown Mode IQ Shutdown Mode IQ vs VIN vs Temperature Soft-Start Current vs Temperature
80 80 7.0 TA = 25°C 70 75 μA) 60 μA) μA) 6.5 ( Q Q 70 50 40 65 6.0 30 60 20 5.5 SHUTDOWN MODE, I SHUTDOWN MODE, I SOFT-START CURRENT ( 55 10 0 50 5.0 0 2 4 6 8 10 12 14 16 18 20 –40 –15 10 35 60 85 –40 –15 10 35 60 85 V TEMPERATURE (°C) TEMPERATURE (°C) IN (V) 3806 G04 3806 G05 3806 G06
G1 Rise and Fall Time vs CL G2 Rise and Fall Time vs CL RUN Thresholds vs Temperature
250 120 1.22 TA = 25°C TA = 25°C TRIP 100 1.20 200 80 1.18 150 60 1.16 TIME (ns) 100 TIME (ns) 40 1.14 RUN THRESHOLDS (V) RELEASE 50 20 1.12 0 0 1.10 0 4000 8000 12000 16000 20000 0 4000 8000 12000 16000 20000 –40 –15 10 35 60 85 CL (pF) CL (pF) TEMPERATURE (°C) 3806 G07 3806 G08 3806 G10 3806fb 4
W U TYPICAL PERFOR A CE CHARACTERISTICS FB Voltage vs Temperature FB Voltage Line Regulation FB Pin Current vs Temperature
1.2400 1.2310 30 TA = 25°C 25 1.2350 1.2305 20 1.2300 1.2300 15 1.2250 FB VOLTAGE (V) FB VOLTAGE (V) 10 FB PIN CURRENT (nA) 1.2295 1.2200 5 1.2150 1.2290 0 –40 –15 10 35 60 85 10 11 12 13 14 15 16 17 18 19 20 –40 –15 10 35 60 85 TEMPERATURE (°C) V TEMPERATURE (°C) IN (V) 3806 G01 3806 G02 3806 G03
Shutdown Mode IQ Shutdown Mode IQ vs VIN vs Temperature Soft-Start Current vs Temperature
80 80 7.0 TA = 25°C 70 75 μA) 60 μA) μA) 6.5 ( Q Q 70 50 40 65 6.0 30 60 20 5.5 SHUTDOWN MODE, I SHUTDOWN MODE, I SOFT-START CURRENT ( 55 10 0 50 5.0 0 2 4 6 8 10 12 14 16 18 20 –40 –15 10 35 60 85 –40 –15 10 35 60 85 V TEMPERATURE (°C) TEMPERATURE (°C) IN (V) 3806 G04 3806 G05 3806 G06
G1 Rise and Fall Time vs CL G2 Rise and Fall Time vs CL RUN Thresholds vs Temperature
250 120 1.22 TA = 25°C TA = 25°C TRIP 100 1.20 200 80 1.18 150 60 1.16 TIME (ns) 100 TIME (ns) 40 1.14 RUN THRESHOLDS (V) RELEASE 50 20 1.12 0 0 1.10 0 4000 8000 12000 16000 20000 0 4000 8000 12000 16000 20000 –40 –15 10 35 60 85 CL (pF) CL (pF) TEMPERATURE (°C) 3806 G07 3806 G08 3806 G10 3806fb 4
