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L5973 Datasheet(PDF) 4 Page - STMicroelectronics |
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L5973 Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 10 page L5973D 4/10 Figure 1. Line Regulation Figure 2. Output Voltage vs. Junction Temperature Figure 3. Quiescent Current vs. Junction Temperature Figure 4. Shutdown Current vs.Junction Temperature Figure 5. Switching Frequency vs.Junction Temperature 3.276 3.28 3.284 3.288 3.292 3.296 3.3 3.304 3.308 3.312 010 20 30 40 Vcc (V) Tj = 125°C Tj = 25°C Vcc = 12V Vo = 3.3V Vo (V) Tj (°C) Vcc=12V 1.2 1.21 1.22 1.23 1.24 1.25 -50 0 50 100 150 Vo (V) Vcc = 12V 1.2 1.4 1.6 1.8 2 -50 050 100 150 Tj (°C) Iq (mA) Vcc = 12V DC = 0% 30 40 50 60 70 -50 0 50 100 150 Ishd ( µA) Vcc = 12V Tj (°C) 220 230 240 250 260 -50 0 50 100 150 Tj (°C) Fsw (KHz) Vcc = 12V Vo = 3.3V |
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