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FAN5362UC29X Scheda tecnica(PDF) 5 Page - Fairchild Semiconductor |
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FAN5362UC29X Scheda tecnica(HTML) 5 Page - Fairchild Semiconductor |
5 / 14 page © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5362 • Rev. 1.0.1 5 Typical Characteristics Unless otherwise noted, VIN=VEN=3.6V,VMODE=0 (AUTO), VOUT=2.9V, COUT=10µF, and TA=25°C. 80% 82% 84% 86% 88% 90% 92% 94% 96% 98% 100% 1 10 100 1000 I LOAD Output Current (mA) VIN = 3.2, Mode=0 VIN = 3.6, Mode=0 VIN = 4.2, Mode=0 VIN = 3.2, Mode=1 VIN = 3.6, Mode=1 VIN = 4.2, Mode=1 2.885 2.890 2.895 2.900 2.905 2.910 - 100 200 300 400 500 I LOAD Output Current (mA) Auto 3.6VIN Auto 3.2VIN Figure 4. Efficiency vs. Load Current and Input Supply Figure 5. Load Regulation 0 10 20 30 40 50 60 70 80 90 0 100 200 300 400 500 Load current (mA) 3.2VIN_Auto 3.6VIN_AUTO 0 500 1000 1500 2000 2500 3000 3500 0 50 100 150 200 250 300 350 400 450 500 Load Current(mA) 3.2VIN_AUTO 3.6VIN_AUTO 3.6VIN_FPWM 3.2VIN_FPWM Figure 6. Ripple Figure 7. Effect of tOFF(MIN) on Reducing Switching Frequency 0 50 100 150 200 250 300 350 400 450 500 3 3.5 4 4.5 5 5.5 Input Voltage(V) 100 % d.c . Always PWM Always PFM Hysteresis 600 700 800 900 1000 1100 1200 1300 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Input Voltage (V) ‐40C +25C +85C Figure 8. PFM / PWM Boundaries Figure 9. Peak Inductor Current |
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