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FAN5358S712X 数据表(PDF) 5 Page - Fairchild Semiconductor |
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FAN5358S712X 数据表(HTML) 5 Page - Fairchild Semiconductor |
5 / 13 page © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5358 • Rev. 1.0.1 5 Typical Characteristics Unless otherwise noted, VIN = VEN = 3.6V, VOUT = 1.8V, and TA = 25°C. 60 65 70 75 80 85 90 95 0.001 0.01 0.1 1 Load Current (A) 2.7VIN 3.6VIN 4.2VIN 60 70 80 90 100 0.001 0.01 0.1 1 Load Current (A) 25°C -40°C 85°C VIN=3.6V Figure 4. Efficiency vs. Load Current and Input Supply Figure 5. Efficiency vs. Load Current and Temperature 1.780 1.785 1.790 1.795 1.800 1.805 1.810 1.815 0 0.1 0.2 0.3 0.4 0.5 0.6 Load Current (A) 2.7VIN 3.6VIN 4.2VIN 5.5VIN 0 5 10 15 20 1 10 100 1000 Load Current (mA) 2.7VIN 3.6VIN 5.5VIN Figure 6. Voltage Regulation Figure 7. Peak-to-Peak Output Voltage Ripple 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.1 0.2 0.3 0.4 0.5 0.6 Load Current (A) 2.7VIN 3.6VIN 5.5VIN 80 100 120 140 160 180 2.7 3.2 3.7 4.2 4.7 5.2 Input Voltage (V) Always PWM Always PFM The switching mode changes at these borders PFM Border PWM Border Figure 8. Switching Frequency vs. Load Current Figure 9. PFM / PWM Boundaries |
类似零件编号 - FAN5358S712X |
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类似说明 - FAN5358S712X |
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