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MCP1603T-ADJI/OS Datasheet(PDF) 8 Page - Microchip Technology |
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MCP1603T-ADJI/OS Datasheet(HTML) 8 Page - Microchip Technology |
8 / 34 page MCP1603/B/L DS22042B-page 8 2007-2012 Microchip Technology Inc. Note: Unless otherwise indicated, MCP1603/L, VIN = SHDN =3.6V, COUT =CIN = 4.7 µF, L = 4.7 µH, VOUT(ADJ) = 1.8V, ILOAD = 100 mA, TA = +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics. FIGURE 2-7: Efficiency vs. Input Voltage (VOUT = 1.8V). FIGURE 2-8: Efficiency vs. Output Load (VOUT = 1.8V). FIGURE 2-9: Efficiency vs. Input Voltage (VOUT = 2.4V). FIGURE 2-10: Line Regulation vs. Ambient Temperature (VOUT = 1.8V). FIGURE 2-11: Output Voltage vs. Load Current (VOUT = 1.8V). FIGURE 2-12: PFM/PWM Efficiency vs. Output Load (VOUT = 2.4V). 80 85 90 95 100 V OUT = 1.8V I OUT = 100 mA I OUT = 500 mA I OUT = 300 mA 70 75 2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5 Input Voltage (V) 30 40 50 60 70 80 90 100 V 18V V IN = 4.2V V IN = 2.7V V IN = 3.6V 0 10 20 30 0.1 1 10 100 1000 Output Current (mA) V OUT = 1.8V PFM/PWM PWM Only 80 85 90 95 100 V OUT = 2.4V I OUT = 100 mA I OUT = 500 mA I OUT = 300 mA 75 80 33.544.5 55.5 Input Voltage (V) 02 0.3 0.4 0.5 0.6 I OUT = 100 mA I OUT = 300 mA V OUT = 1.8V 0.1 0.2 -40 -25 -10 5 20 35 50 65 80 95 110 125 Ambient Temperature (oC) 1.76 1.77 1.78 1.79 1.80 1.81 1.82 T A = +125 oC T A = -40 oC T A = +25 oC T A = +90 oC 1.74 1.75 100 150 200 250 300 350 400 450 500 Output Current (mA) 30 40 50 60 70 80 90 100 V 24V V IN = 4.2V V IN = 2.7V V IN = 3.6V 0 10 20 30 0.1 1 10 100 1000 Output Current (mA) V OUT = 2.4V PFM/PWM PWM Only |
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