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MCP1603LT-150I/OS Datasheet(PDF) 9 Page - Microchip Technology |
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MCP1603LT-150I/OS Datasheet(HTML) 9 Page - Microchip Technology |
9 / 34 page 2007-2012 Microchip Technology Inc. DS22042B-page 9 MCP1603/B/L 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 2-13: Efficiency vs. Input Voltage (VOUT = 3.3V). FIGURE 2-14: Efficiency vs. Output Load (VOUT = 3.3V). FIGURE 2-15: PWM-Only Device Minimum Load for Regulation (MCP1603B). FIGURE 2-16: Switching Frequency vs. Ambient Temperature. FIGURE 2-17: Switching Frequency vs. Input Voltage. FIGURE 2-18: Switch Resistance vs. Input Voltage. 90.0 92.5 95.0 97.5 100.0 V OUT = 3.3V I OUT = 100 mA I OUT = 500 mA I OUT = 300 mA 85.0 87.5 3.5 3.75 4 4.25 4.5 4.75 5 5.25 5.5 Input Voltage (V) 40 50 60 70 80 90 100 V IN = 4.2V V IN = 3.6V 0 10 20 30 0.1 1 10 100 1000 Output Current (mA) V OUT = 3.3V PFM/PWM PWM Only 3 4 5 6 7 8 9 10 T A= -40 oC T A= +25 oC T A=+85 oC Regulation 0 1 2 3 1.8 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 V IN -VOUT (V) T A= +85 C No Regulation 2.05 2.10 2.15 2.20 1.95 2.00 -40 -25 -10 5 20 35 50 65 80 95 110 125 Ambient Temperature (oC) 200 2.05 2.10 2.15 2.20 1.95 2.00 2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5 Input Voltage (V) 0.45 0.50 0.55 0.60 0.65 N-Channel P-Channel 0.35 0.40 2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5 Input Voltage (V) |
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