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ISL78228ARZ-T Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL78228ARZ-T Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 18 page ISL78228 7 FN7849.2 December 4, 2013 FIGURE 8. VOUT REGULATION vs LOAD 2.25MHz 1.5VOUT FIGURE 9. VOUT REGULATION vs LOAD 2.25MHz 1.8VOUT FIGURE 10. VOUT REGULATION vs LOAD 2.25MHz 2.5VOUT FIGURE 11. VOUT REGULATION vs LOAD 2.25MHz 3.3VOUT FIGURE 12. OUTPUT VOLTAGE REGULATION vs VIN 1.8VOUT PWM MODE FIGURE 13. OUTPUT VOLTAGE REGULATION vs VIN 1.8VOUT PFM MODE Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VIN = 2.75V to 5.5V, EN = VIN, L1 = L2 = 2.2µH, C1 = 10µF, C2 = C4 = 10µF, VOUT1 = 2.5V, VOUT2 = 1.8V, IOUT1 =IOUT2 = 0A to 800mA. (Continued) 1.50 1.51 1.52 1.53 1.54 1.55 1.56 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 OUTPUT LOAD (A) 3.3V VIN PWM 5VIN PWM MODE 5 VIN PFM MODE 3.3V VIN PFM 1.78 1.79 1.80 1.81 1.82 1.83 1.84 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 OUTPUT LOAD (A) 3.3V VIN PWM 3.3V VIN PFM 5 VIN PFM MODE 5VIN PWM MODE 2.49 2.50 2.51 2.52 2.53 2.54 2.55 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 OUTPUT LOAD (A) 5V VIN PFM 5V VIN PWM 3.3V VIN PWM 3.3V VIN PFM 3.30 3.32 3.34 3.36 3.38 3.40 3.42 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 OUTPUT LOAD (A) 5V VIN PFM 5V VIN PWM 1.77 1.78 1.79 1.80 1.81 1.82 1.83 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 INPUT VOLTAGE (V) 0.8A LOAD PWM 0.4A LOAD PWM 0A LOAD PWM 1.77 1.78 1.79 1.80 1.81 1.82 1.83 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 INPUT VOLTAGE (V) 0A LOAD 0.8A LOAD 0.4A LOAD |
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