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MCP1601 Datasheet(PDF) 5 Page - Microchip Technology |
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MCP1601 Datasheet(HTML) 5 Page - Microchip Technology |
5 / 22 page 2003 Microchip Technology Inc. DS21762A-page 5 MCP1601 2.0 TYPICAL PERFORMANCE CURVES Note: Unless otherwise indicated, VIN = 4.2V, VOUT = 1.8V, L = 10 µH, COUT= 10 µF (X5R Ceramic), CIN = 10 µF (X5R Ceramic), SYNC/PWM=VIN. FIGURE 2-1: Efficiency vs. Load Current (VOUT = 1.2V). FIGURE 2-2: Efficiency vs. Load Current (VOUT = 1.8V). FIGURE 2-3: Efficiency vs. Load Current (VOUT = 3.3V). FIGURE 2-4: PFM Mode Quiescent Current vs. Input Voltage. FIGURE 2-5: Oscillator Frequency vs. Input Voltage. FIGURE 2-6: Output Voltage vs. Load Current. Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. 40 50 60 70 80 90 100 0 100 200 300 400 500 Load Current (mA) VOUT = 1.2V Auto PWM/PFM VIN = 2.7V VIN = 3.6V VIN = 4.2V 50 60 70 80 90 100 110 0 100 200 300 400 500 Load Current (mA) VOUT = 1.8V Auto PWM/PFM VIN = 2.7V VIN = 3.6V VIN = 4.2V 50 60 70 80 90 100 110 0 100 200 300 400 500 Load Current (mA) VOUT = 3.3V Auto PWM/PFM VIN = 5.0V VIN = 4.5V VIN = 5.5V 100 110 120 130 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 Input Voltage (V) VOUT = 1.8V PFM Mode ILOAD = 0 TA = - 40°C TA = + 0°C TA = + 85°C TA = + 25°C 680.0 700.0 720.0 740.0 760.0 780.0 2.73.1 3.53.9 4.34.7 5.15.5 Input Voltage (V) TA = + 125°C TA = - 40°C TA = + 25°C TA = 0°C ILOAD = 10 mA Forced PWM Mode 1.100 1.125 1.150 1.175 1.200 1.225 1.250 1.275 1.300 0 100 200 300 400 500 Load Current (mA) VOUT = 1.2V Auto PWM/PFM VIN = 2.7V VIN = 3.6V VIN = 4.2V |
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