Datasheet LTC3721-1 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Push-Pull PWM Controller |
| Pages / Page | 16 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25. C unless otherwise noted). … |
| File Format / Size | PDF / 189 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25. C unless otherwise noted). Error Amplifier Gain/Phase
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Text Version of Document
LTC3721-1
W U TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25
°
C unless otherwise noted) Error Amplifier Gain/Phase Start-Up ICC vs Temperature Deadtime vs RDPRG
190 275 100 180 250 80 60 170 225 200k PREBIAS 40 GAIN (dB) 160 200 20 0 A) 150 175 µ ( I CC 140 150 DELAY (ns) –180 NO 200k PREBIAS 130 125 –270 120 100 PHASE (DEG) –360 110 75 100 50 10 100 1k 10k 100k 1M 10M –55 –25 5 35 65 95 125 0 50 100 150 200 250 300 350 400 450 500 FREQUENCY (Hz) TEMPERATURE (°C) RDPRG (kΩ) 372311 G07 372311 G08 372311 G09
VCC Shunt Voltage vs Slope Current vs Temperature Temperature FB Input Voltage vs Temperature
90 10.5 1.205 ICC = 10mA 80 10.4 1.204 C 70 T = 2.25V 1.203 10.3 60 A) 1.202 µ 50 10.2 1.201 40 10.1 CURRENT ( CT = 1V 1.200 30 FB VOLTAGE (V) SHUNT VOLTAGE (V) 10.0 1.199 20 9.9 10 1.198 0 9.8 1.197 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 372311 G10 372311 G11 372311 G12 sn37211 37211fs 5
W U TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25
°
C unless otherwise noted) Error Amplifier Gain/Phase Start-Up ICC vs Temperature Deadtime vs RDPRG
190 275 100 180 250 80 60 170 225 200k PREBIAS 40 GAIN (dB) 160 200 20 0 A) 150 175 µ ( I CC 140 150 DELAY (ns) –180 NO 200k PREBIAS 130 125 –270 120 100 PHASE (DEG) –360 110 75 100 50 10 100 1k 10k 100k 1M 10M –55 –25 5 35 65 95 125 0 50 100 150 200 250 300 350 400 450 500 FREQUENCY (Hz) TEMPERATURE (°C) RDPRG (kΩ) 372311 G07 372311 G08 372311 G09
VCC Shunt Voltage vs Slope Current vs Temperature Temperature FB Input Voltage vs Temperature
90 10.5 1.205 ICC = 10mA 80 10.4 1.204 C 70 T = 2.25V 1.203 10.3 60 A) 1.202 µ 50 10.2 1.201 40 10.1 CURRENT ( CT = 1V 1.200 30 FB VOLTAGE (V) SHUNT VOLTAGE (V) 10.0 1.199 20 9.9 10 1.198 0 9.8 1.197 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 –55 –25 5 35 65 95 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 372311 G10 372311 G11 372311 G12 sn37211 37211fs 5
