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LP2985A-28 Folha de dados(PDF) 8 Page - Texas Instruments |
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LP2985A-28 Folha de dados(HTML) 8 Page - Texas Instruments |
8 / 29 page 0.001 0.01 0.1 1 10 10 100 1k 10k 100k 1M Frequency − (Hz) Ci = 1 mF Co = 10 mF VO = 3.3 V 10 mA 100 mA 1 mA 0 10 20 30 40 50 60 70 80 90 100 10 100 1k 10k 100k 1M Frequency − (Hz) VI = 5 V VO = 3.3 V Co = 4.7 mF Cbyp = 10 nF 10 mA 100 mA 1 mA 0 10 20 30 40 50 60 70 80 90 100 10 100 1k 10k 100k 1M Frequency − (Hz) 50 mA 150 mA 1 mA VI = 3.7 V VO = 3.3 V Co = 10 mF Cbyp = 0 nF 0 10 20 30 40 50 60 70 80 90 100 10 100 1k 10k 100k 1M Frequency − (Hz) VI = 5 V VO = 3.3 V Co = 4.7 mF Cbyp = 10 nF 50 mA 150 mA 1 mA 0 10 20 30 40 50 60 70 80 90 100 10 100 1k 10k 100k 1M Frequency − (Hz) VI = 5 V VO = 3.3 V Co = 10 mF Cbyp = 0 nF 50 mA 150 mA 1 mA 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 0 20 40 60 80 100 120 140 Load Current − mA 160 VO = 3.3 V Cbyp = 10 nF LP2985 SLVS522O – JULY 2004 – REVISED JANUARY 2015 www.ti.com Typical Characteristics (continued) CIN = 1 μF, COUT = 4.7 μF, VIN = VOUT(NOM) + 1 V, TA = 25°C, ON/OFF pin tied to VIN (unless otherwise specified) Figure 7. Ground Pin Current vs Load Current Figure 8. Ripple Rejection vs Frequency Figure 9. Ripple Rejection vs Frequency Figure 10. Ripple Rejection vs Frequency Figure 11. Ripple Rejection vs Frequency Figure 12. Output Impedance vs Frequency 8 Submit Documentation Feedback Copyright © 2004–2015, Texas Instruments Incorporated |
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