Datenblatt-Suchmaschine für elektronische Bauteile |
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ADP1108AR-33 Datenblatt(PDF) 4 Page - Analog Devices |
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ADP1108AR-33 Datenblatt(HTML) 4 Page - Analog Devices |
4 / 12 page ADP1108 –4– REV. 0 –Typical Performance Characteristics SWITCH CURRENT – Amps 1.2 0.6 0 0.1 0.2 1.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1 0.8 0.4 0.2 VIN = 2.0V VIN = 3.0V VIN = 5.0V Figure 1. Saturation Voltage vs. ISWITCH Current in Step-Up Mode RLIM – Ω 1000 900 1100 10 1k 800 700 600 500 400 300 200 100 VIN = 12V WITH L = 250µH @ VOUT = 5V VIN = 24V WITH L = 500µH @ VOUT = 5V 100 Figure 4. Maximum Switch Current vs. RLIM In Step-Down Mode TEMPERATURE – °C 22 21 13 –40 0 85 25 70 17 16 15 14 20 19 18 Figure 7. Oscillator Frequency vs. Temperature SWITCH CURRENT – Amps 1.6 0.6 0 0.15 0.75 0.25 0.35 0.45 0.55 0.65 1.4 0.8 0.4 0.2 1.2 1 VCE (SAT) 0.05 Figure 2. Switch ON Voltage vs. Switch Current In Step-Down Mode SWITCH CURRENT – mA 100 0 0 100 900 200 300 400 600 700 800 500 90 50 30 20 10 80 70 40 60 VIN = 2V VIN = 5V Figure 5. Supply Current vs. Switch Current TEMPERATURE – °C 67 66 57 –40 0 85 25 70 61 60 59 58 65 64 63 62 Figure 8. Duty Cycle vs. Temperature RLIM – Ω 1100 1000 100 10 100 1k 900 800 700 600 500 400 300 200 2V < VIN < 5V Figure 3. Maximum Switch Current vs. RLIM In Step-Up Mode TEMPERATURE – °C 120 110 40 –40 0 85 25 70 80 70 60 50 100 90 Figure 6. Quiescent Current vs. Temperature TEMPERATURE – °C 35 34.5 30 –40 0 85 25 70 32 31.5 31 30.5 34 33.5 33 32.5 Figure 9. Switch ON Time vs. Temperature |
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