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MIC23250-G4YMT Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MIC23250-G4YMT Datasheet(HTML) 4 Page - Micrel Semiconductor |
4 / 15 page Micrel, Inc. MIC23250 December 2007 4 M9999-121707-A Typical Characteristics 0 5 10 15 20 25 30 35 40 45 50 2.7 INPUT VOLTAGE (V) Quiescent Current vs. Input Voltage 3.2 3.7 4.2 4.7 5.2 5.7 L = 1µH COUT = 4.7µF 0.01 0.1 1 10 1 10 100 1000 OUTPUT CURRENT (mA) Switching Frequency vs. Output Current VOUT = 1.8V L = 1µH COUT = 4.7µF VIN = 3.6V VIN = 3.0V VIN = 4.2V 4MHz 0.01 0.1 1 10 1 10 100 1000 OUTPUT CURRENT (mA) Switching Frequency vs. Output Current VIN = 3.6V VOUT = 1.8V COUT = 4.7µF L = 2.2µH L = 1µH L = 4.7µH 4MHz 3.0 3.5 4.0 4.5 5.0 Frequency vs. Temperature 20 40 60 80 TEMPERATURE (°C) L = 1µH COUT = 4.7µF Load = 120mA 1.70 1.72 1.74 1.76 1.78 1.80 1.82 1.84 1.86 1.88 1.90 1 10 100 1000 OUTPUT CURRENT (mA) VIN = 3.6V VIN = 3.0V VIN = 4.2V Output Voltage vs. Output Current 1.72 1.74 1.76 1.78 1.82 1.84 1.86 1.88 2.7 1.70 1.80 1.90 INPUT VOLTAGE (V) Output Voltage vs. Input Voltage 3.2 3.7 4.2 4.7 5.2 5.7 L = 1µH COUT = 4.7µF Load = 300mA Load = 1mA Load = 10mA Load = 50mA Load = 150mA Load = 400mA 1.5 1.6 1.7 1.9 Output Voltage vs. Temperature 20 40 60 80 TEMPERATURE (°C) L = 1µH COUT = 4.7µF Load = 120mA 1.8 VOUT1 = 1.575V VOUT2 = 1.8V 0 0.2 0.4 0.6 0.8 1.2 Enable Threshold vs. Temperature 20 40 60 80 TEMPERATURE (°C) L = 1µH COUT = 4.7µF 1.0 VIN = 3.6V VIN = 2.7V VIN = 5.5V 0.800 0.825 0.850 0.875 0.900 0.925 0.950 0.975 1.000 2.7 INPUT VOLTAGE (V) Enable Threshold vs. Input Voltage 3.2 3.7 4.2 4.7 5.2 5.7 VIN = 3.6V VOUT = 1.8V Load = 150mA Enable OFF Enable ON 550 600 650 700 2.7 INPUT VOLTAGE (V) Current Limit vs. Input Voltage 3.2 3.7 4.2 4.7 5.2 5.7 L = 1µH COUT = 4.7µF 0 10 20 30 40 50 60 70 80 90 100 1 10 100 1000 LOAD (mA) Efficiency VOUT = 1.8V L = 1µH COUT = 4.7µF VIN = 3.0V VIN = 2.7V VIN = 3.6V VIN = 4.2V 0 10 20 30 40 50 60 70 80 90 100 1 10 100 1000 LOAD (mA) Efficiency VOUT = 1.8V VIN = 3.6V COUT = 4.7µF L = 1.0µH L = 1.5µH L = 0.47µH |
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