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FAN53611 Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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FAN53611 Datasheet(HTML) 6 Page - Fairchild Semiconductor |
6 / 14 page © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN53601 / FAN53611 • Rev. 1.0.1 6 Typical Performance Characteristics (Continued) Unless otherwise noted, VIN = VEN = 3.6 V, VMODE = 0 V (AUTO Mode), VOUT = 1.82 V, and TA = 25°C. 50 100 150 200 250 300 350 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Input Voltage (V) PWM PFM 50 100 150 200 250 300 350 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Input Voltage (V) PWM PFM Figure 10. PFM / PWM Boundary vs. Input Voltage Figure 11. PFM / PWM Boundary vs. Input Voltage, VOUT=1.23 V 15 20 25 30 35 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Input Voltage (V) - 40C, EN=VIN +25C, EN=VIN +85C, EN=VIN - 40C, EN=1.8V +25C, EN=1.8V +85C, EN=1.8V 0 3 6 9 12 15 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Input Voltage (V) - 40C +25C +85C Figure 12. Quiescent Current vs. Input Voltage and Temperature, Auto Mode; EN=VIN Solid, Dotted for EN=1.8 V (-40 oC, +25oC, +85oC) Figure 13. Quiescent Current vs. Input Voltage and Temperature, Mode=EN=VIN (FPWM) 0 5 10 15 20 25 0 200 400 600 800 1000 Load Current (mA) 2.7VIN, AUTO 3.6VIN, AUTO 5.0VIN, AUTO 2.7VIN, PWM 3.6VIN, PWM 5.0VIN, PWM 0 1,500 3,000 4,500 6,000 7,500 0 200 400 600 800 1000 Load Current (mA) 2.7VIN, AUTO 3.6VIN, AUTO 5.0VIN, AUTO 2.7VIN, PWM 3.6VIN, PWM 5.0VIN, PWM Figure 14. Output Ripple vs. Load Current and Input Voltage, FPWM, Dotted for Auto Mode Figure 15. Frequency vs. Load Current and Input Voltage, Auto Mode, Dotted for FPWM |
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