Datasheet LTC3704 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Wide Input Range, No RSENSE™ Positive-to-Negative DC/DC Controller |
| Pages / Page | 28 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. NFB Voltage vs Temp. NFB Voltage … |
| File Format / Size | PDF / 333 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. NFB Voltage vs Temp. NFB Voltage Line Regulation. NFB Pin Current vs Temperature
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Text Version of Document
LTC3704
W U TYPICAL PERFOR A CE CHARACTERISTICS NFB Voltage vs Temp NFB Voltage Line Regulation NFB Pin Current vs Temperature
–1.25 –1.231 8.0 7.9 7.8 –1.24 7.7 μA) 7.6 –1.23 –1.230 7.5 7.4 NFB VOLTAGE (V) NFB VOLTAGE (V) NFB CURRENT ( 7.3 –1.22 7.2 7.1 –1.21 –1.229 7.0 –50 –25 0 25 50 75 100 125 150 0 5 10 15 20 25 30 35 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 3704 G01 3704 G02 3704 G03
Shutdown Mode IQ vs VIN Shutdown Mode I Burst Mode I Q vs Temperature Q vs VIN
30 20 600 VIN = 5V 500 μA) μA) 15 ( Q 20 Q μA) 400 ( Q 10 300 10 Burst Mode I 200 5 SHUTDOWN MODE I SHUTDOWN MODE I 100 0 0 0 0 10 20 30 40 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 VIN (V) TEMPERATURE (°C) VIN (V) 3704 G04 3704 G05 3704 G06
Gate Drive Rise and Fall Time Burst Mode IQ vs Temperature Dynamic IQ vs Frequency vs CL
500 18 60 CL = 3300pF 16 IQ(TOT) = 550μA + Qg • f 50 400 14 μA) 12 40 ( Q 300 RISE TIME 10 (mA) 30 I Q 8 200 TIME (ns) Burst Mode I 6 20 FALL TIME 100 4 10 2 0 0 0 –50 –25 0 25 50 75 100 125 150 0 200 400 600 800 1000 1200 0 2000 4000 6000 8000 10000 12000 TEMPERATURE (°C) FREQUENCY (kHz) CL (pF) 3704 G07 3704 G08 3704 G09 3704fb 4
W U TYPICAL PERFOR A CE CHARACTERISTICS NFB Voltage vs Temp NFB Voltage Line Regulation NFB Pin Current vs Temperature
–1.25 –1.231 8.0 7.9 7.8 –1.24 7.7 μA) 7.6 –1.23 –1.230 7.5 7.4 NFB VOLTAGE (V) NFB VOLTAGE (V) NFB CURRENT ( 7.3 –1.22 7.2 7.1 –1.21 –1.229 7.0 –50 –25 0 25 50 75 100 125 150 0 5 10 15 20 25 30 35 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 3704 G01 3704 G02 3704 G03
Shutdown Mode IQ vs VIN Shutdown Mode I Burst Mode I Q vs Temperature Q vs VIN
30 20 600 VIN = 5V 500 μA) μA) 15 ( Q 20 Q μA) 400 ( Q 10 300 10 Burst Mode I 200 5 SHUTDOWN MODE I SHUTDOWN MODE I 100 0 0 0 0 10 20 30 40 –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 VIN (V) TEMPERATURE (°C) VIN (V) 3704 G04 3704 G05 3704 G06
Gate Drive Rise and Fall Time Burst Mode IQ vs Temperature Dynamic IQ vs Frequency vs CL
500 18 60 CL = 3300pF 16 IQ(TOT) = 550μA + Qg • f 50 400 14 μA) 12 40 ( Q 300 RISE TIME 10 (mA) 30 I Q 8 200 TIME (ns) Burst Mode I 6 20 FALL TIME 100 4 10 2 0 0 0 –50 –25 0 25 50 75 100 125 150 0 200 400 600 800 1000 1200 0 2000 4000 6000 8000 10000 12000 TEMPERATURE (°C) FREQUENCY (kHz) CL (pF) 3704 G07 3704 G08 3704 G09 3704fb 4
