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NCP1522 Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP1522 Datasheet(HTML) 6 Page - ON Semiconductor |
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NCP1522 http://onsemi.com 6 Figure 10. Efficiency vs. Output Current (VIN = 4.0 V) Figure 11. Frequency vs. Input Voltage Figure 12. Frequency vs. Temperature Figure 13. Load Regulation Figure 14. Output Voltage vs. Enable Input Pin Voltage Figure 15. PFM/PWM Threshold vs. Input Voltage 0 IOUT, OUTPUT CURRENT (mA) 3.0 1.0 −3.0 100 200 300 400 500 700 −1.0 −2.0 0.5 0 0.2 0.4 0.6 0.8 1.0 VIN, ENABLE INPUT VOLTAGE (V) 0.0 1.4 1.5 1.0 2.0 VIN, INPUT VOLTAGE (V) 2.4 2.6 2.8 3.0 3.2 3.4 2.7 3.2 3.7 4.2 4.7 5.7 3.6 5.2 2.0 0.0 2.7 3.2 3.7 4.2 4.7 5.2 VIN, INPUT VOLTAGE (V) 5.7 300 100 0 200 0 IOUT, OUTPUT CURRENT (mA) 100 80 30 100 200 300 400 500 600 60 50 90 70 VOUT = 3.3 V VOUT = 1.8 V 40 VOUT = 0.9 V IOUT = 300 mA IOUT = 600 mA TEMPERATURE ( °C) 2.4 2.6 2.8 3.0 3.2 3.4 −40 −20 0 20 40 100 3.6 60 VIN = 5.5 V IOUT = 300 mA 80 VIN = 3.6 V 1.5 −2.5 −0.5 −1.5 2.5 0.5 600 VOUT = 3.3 V VOUT = 1.8 V VOUT = 0.9 V 1.2 250 50 150 VOUT = 1.8 V TA = 25°C |
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