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FAN53555BUC23X Datasheet(PDF) 11 Page - ON Semiconductor |
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FAN53555BUC23X Datasheet(HTML) 11 Page - ON Semiconductor |
11 / 32 page FAN53555 www.onsemi.com 11 TYPICAL CHARACTERISTICS (Continued) Unless otherwise specified, Auto PFM/PWM, VIN = 3.6 V, VOUT = 1.2 V, SCL = SDA = VSEL = EN = 1.8 V, TA = 25°C; circuit and components according to Figure 1 and Table 1. 0 5 10 15 20 25 0 1000 2000 3000 4000 5000 0 4 8 12 16 20 0 1000 2000 3000 4000 5000 200 400 600 800 1,000 2.5 3.0 3.5 4.0 4.5 5.0 5.5 200 400 600 800 1,000 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 5 10 15 20 25 0 1000 2000 3000 4000 5000 0 500 1,000 1,500 2,000 2,500 3,000 0 1000 2000 3000 4000 5000 LOAD CURRENT (mA) 2.7 VIN 3.6 VIN 5.0 VIN Figure 12. Output Regulation vs. Load Current and Input Voltage, VOUT = 1.2 V Figure 13. Output Regulation vs. Load Current and Input Voltage, VOUT=0.9 V LOAD CURRENT (mA) 2.7 VIN 3.6 VIN 5.0 VIN PFM Exit PFM Enter INPUT VOLTAGE (V) Figure 14. PFM Entry / Exit Level vs. Input Voltage, VOUT=1.2 V PFM Exit PFM Enter INPUT VOLTAGE (V) Figure 15. PFM Entry / Exit Level vs. Input Voltage, VOUT=0.9 V 3.6VIN, 1.2VOUT, Auto 3.6VIN, 1.2VOUT, PWM 5.0VIN, 1.2VOUT, Auto 5.0VIN, 1.2VOUT, PWM 5.0VIN, 0.9VOUT, Auto LOAD CURRENT (mA) Figure 16. Output Ripple vs. Load Current, VIN=5 V and 3.6 V, VOUT=1.2 V and 0.9 V, Auto and FPWM 3.6VIN, 1.2VOUT, Auto 3.6VIN, 0.9VOUT, Auto 5.0VIN, 1.2VOUT, Auto 5.0VIN, 0.9VOUT, Auto Figure 17. Frequency vs. Load Current, VIN=5 V and 3.6 V, VOUT=1.2 V and 0.9 V, Auto PWM LOAD CURRENT (mA) |
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