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LTM4628 датащи(PDF) 21 Page - Linear Technology |
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LTM4628 датащи(HTML) 21 Page - Linear Technology |
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21 / 36 page ![]() LTM4644/LTM4644-1 21 4644fe For more information www.linear.com/LTM4644 APPLICATIONS INFORMATION Figure 18. 5VIN to 1.0VOUT Derating Curve 4-Channel Paralleled, BGA Heat Sink Figure 19. 12VIN to 1.0VOUT Derating Curve 4-Channel Paralleled, BGA Heat Sink Figure 20. 5VIN to 1.5VOUT Derating Curve 4-Channel Paralleled, No Heat Sink AMBIENT TEMPERATURE (°C) 30 0 10 18 14 16 12 4641 F20 4 2 8 6 120 40 80 100 60 50 90 110 70 0LFM 200LFM 400LFM AMBIENT TEMPERATURE (°C) 30 0 10 18 14 16 12 4641 F18 4 2 8 6 120 40 80 100 60 50 90 110 70 0LFM 200LFM 400LFM AMBIENT TEMPERATURE (°C) 30 0 10 18 14 16 12 4641 F19 4 2 8 6 120 40 80 100 60 50 90 110 70 0LFM 200LFM 400LFM Figure 15. Power Loss at 5V Output, (Each Channel, 25°C) Figure 16. 5VIN to 1.0VOUT Derating Curve 4-Channel Paralleled, No Heat Sink Figure 17. 12VIN to 1.0VOUT Derating Curve 4-Channel Paralleled, No Heat Sink LOAD CURRENT (A) 0 0 0.6 1.8 1.6 1 4641 F15 0.2 0.4 1.2 0.8 1.4 1.0 4 2 3 0.5 3.5 1.5 2.5 12VIN AMBIENT TEMPERATURE (°C) 30 0 10 18 14 16 12 4641 F16 4 2 8 6 120 40 80 100 60 50 90 110 70 0LFM 200LFM 400LFM AMBIENT TEMPERATURE (°C) 30 0 10 18 14 16 12 4641 F17 4 2 8 6 120 40 80 100 60 50 90 110 70 0LFM 200LFM 400LFM |
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