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L5991AD13TR Datasheet(PDF) 5 Page - STMicroelectronics |
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L5991AD13TR Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 23 page 8 1 0 1 21 4 1 61 8 2 02 22 4 7.0 7.5 8.0 8.5 9.0 V c c [V ] Iq [m A ] V 14 = 0, V 5 = V ref R t = 4.5Koh m ,T j = 25 °C 5 00K hz 3 00K hz 1M h z 1 00K hz Figure 3. Quiescent current vs. input voltage. 0 5 10 15 20 25 4.9 4.95 5 5.05 5.1 Iref [mA] Vref [V] Vcc=15V Tj = 25°C Figure 7. Reference voltage vs. load current. -50 -25 0 25 50 75 100 125 150 4.9 4.95 5 5.05 5.1 Tj (°C) Vref [V]) Vcc = 15V Iref = 1mA Figure 8. Vref vs. junction temperature. 8 1 01 2 1 41 61 82 02 2 0 6 12 18 24 30 36 Vc c [V ] Iq [m A ] Co = 1 n F, T j = 2 5 °C DC = 0 % 1M H z 500KH z 300KH z 100KH z Figure 4. Quiescent current vs. input voltage and switching frequency. 8 10 121416 1820 22 0 6 12 18 24 30 36 Vcc [V] Iq [mA] Co = 1nF, Tj = 25°C DC = 100% 1MHz 500KHz 300KHz 100KHz Figure 5. Quiescent current vs. input voltage and switching frequency. -50 -25 0 25 50 75 100 125 150 0.01 0.1 1 10 100 Junction temperature [˚C] [mA] Start-up current Vc=Vcc= Vccon-0.5V, before turn-on Operating current Vcc =15V, after turn-on RT=13.3k Ω, CT=1nF DC=75%, Co=1nF Quiescent current Vcc =15V, after turn-on RT=13.3 k Ω, CT=1nF DC = 0 Figure 6. IC Consumption vs. Temperature. L5991 - L5991A 5/23 |
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