Datasheet L6565 (STMicroelectronics) - 5
| Fabricante | STMicroelectronics |
| Descripción | Quasi-Resonant SMPS Controller |
| Páginas / Página | 17 / 5 — L6565. Figure 1. Supply current vs. Supply voltage. Figure 4. Line … |
| Formato / tamaño de archivo | PDF / 256 Kb |
| Idioma del documento | Inglés |
L6565. Figure 1. Supply current vs. Supply voltage. Figure 4. Line feedforward characteristics
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L6565 Figure 1. Supply current vs. Supply voltage Figure 4. Line feedforward characteristics
ICC Vcsx [V] (mA) 1.5 Upper clamp 10 5.0 V 5 1 1 4.5 V 0.5 4.0 V 0.1 0.5 3.5 V 0.05 CL = 1nF 0.01 f = 70KHz 3.0 V TA = 25°C V 0.005 COMP = 2.5V 0 0 0.5 1 1.5 2 2.5 3 3.5 0 0 5 10 15 20 VCC(V) VVFF [V]
Figure 2. Start-up & UVLO vs. Temperature Figure 5. Pin 2 (COMP) V-I characteristics
14 VCOMP [V] VCC-ON 6 (V) Tj = 25 °C Vpin1 = 0 13 5 4 12 3 11 2 Regulation range 10 1 VCC-OFF (V) 9 0 -25 0 25 50 75 100 125 0 1 2 3 4 T (°C) ICOMP [mA]
Figure 3. Feedback reference vs. Temperature Figure 6. ZCD blanking time vs. COMP voltage
VREF D94IN048A TBLANK [µs] (V) 20 Tj = 25 °C 15 2.50 10 2.48 5 0 2 3 4 5 6 2.46 -50 0 50 100 T (°C) VCOMP [V] 5/17
ICC Vcsx [V] (mA) 1.5 Upper clamp 10 5.0 V 5 1 1 4.5 V 0.5 4.0 V 0.1 0.5 3.5 V 0.05 CL = 1nF 0.01 f = 70KHz 3.0 V TA = 25°C V 0.005 COMP = 2.5V 0 0 0.5 1 1.5 2 2.5 3 3.5 0 0 5 10 15 20 VCC(V) VVFF [V]
Figure 2. Start-up & UVLO vs. Temperature Figure 5. Pin 2 (COMP) V-I characteristics
14 VCOMP [V] VCC-ON 6 (V) Tj = 25 °C Vpin1 = 0 13 5 4 12 3 11 2 Regulation range 10 1 VCC-OFF (V) 9 0 -25 0 25 50 75 100 125 0 1 2 3 4 T (°C) ICOMP [mA]
Figure 3. Feedback reference vs. Temperature Figure 6. ZCD blanking time vs. COMP voltage
VREF D94IN048A TBLANK [µs] (V) 20 Tj = 25 °C 15 2.50 10 2.48 5 0 2 3 4 5 6 2.46 -50 0 50 100 T (°C) VCOMP [V] 5/17