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LT3045 Datenblatt(PDF) 19 Page - Analog Devices |
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LT3045 Datenblatt(HTML) 19 Page - Analog Devices |
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19 / 62 page ![]() Data Sheet LT3074 analog.com Rev 0. 19 of 62 Figure 28. IBIAS vs. Bias in Dropout Figure 29. IBIAS vs. Temperature in Dropout Figure 30. BIAS UVLO Figure 31. EN Threshold Figure 32. EN Pin Current Figure 33. PGFB Threshold ILOAD = 100mA VIN = VOUT(NOM) = 0.5V VIN = VOUT(NOM) = 1.2V VIN = VOUT(NOM) = 3.3V BIAS VOLTAGE (V) 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 0 5 10 15 20 25 30 35 40 45 50 VIN = VOUT(NOM) = 0.5V ILOAD = 100mA VBIAS = 2.375V VBIAS = 5.5V TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 0 10 20 30 40 50 60 70 80 90 100 VBIAS RISING VBIAS FALLING TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 175 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 EN RISING EN FALLING TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 175 1.00 1.04 1.08 1.12 1.16 1.20 1.24 1.28 1.32 1.36 1.40 VBIAS = 5.5V –55°C –40°C +25°C +125°C +150°C EN PIN VOLTAGE (V) 0 0.6 1.1 1.7 2.2 2.8 3.3 3.8 4.4 4.9 5.5 0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 VBIAS = 2.5V PGFB RISING PGFB FALLING TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 175 290 292 294 296 298 300 302 304 306 308 310 |
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