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LM3280 数据表(PDF) 10 Page - Texas Instruments |
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LM3280 数据表(HTML) 10 Page - Texas Instruments |
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10 / 27 page  0 -40 40 80 AMBIENT TEMPERATURE (oC) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 20 -20 60 100 VIN = 4.2V VCON = 0.5V IOUT = 200 mA VIN = 2.7V VIN = 3.6V -40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE ( oC) 60 70 80 90 100 110 120 IBYPOUT = 500 mA VIN = 2.7V VIN = 3.6V VIN = 4.2V 50 IL 400 ns/DIV 200 mA/DIV 2V/DIV VSW VIN = 3.6V VOUT = 1.5V 10 mV/DIV AC Coupled VOUT IOUT = 200 mA IL 400 ns/DIV 200 mA/DIV 2V/DIV VSW VIN = 3.57V VOUT = 3.25V 10 mV/DIV AC Coupled VOUT IOUT = 200 mA 100 Ps/DIV 1.08V 0.5V VSW VOUT VIN = 4.2V RLOAD = 15: 3.25V 2V/DIV VCON 1.5V IL 10 Ps/DIV 500 mA/DIV 2V/DIV VSW VOUT VOUT = 1.5V 1V/DIV RLOAD = 15: LM3280 SNOSAU4B – OCTOBER 2006 – REVISED FEBRUARY 2013 www.ti.com Typical Performance Characteristics (continued) (VIN = ENBUCK = 3.6V, ENLDOx = BYP = 0V, TA = 25°C, unless otherwise noted) VCON Voltage Response Timed Current Limit Response (VIN = 4.2V, VCON = 0.5V / 1.1V) (Normal Operation to Short Circuit) Figure 21. Figure 22. Output Voltage Ripple Output Voltage Ripple in Dropout (VOUT = 1.5V) (VIN = 3.75V, VOUT = 3.25V, IOUT = 200mA) Figure 23. Figure 24. Switching Frequency Variation RDSON vs vs Temperature (VOUT = 1.5V) Temperature (Bypass FET) Figure 25. Figure 26. 10 Submit Documentation Feedback Copyright © 2006–2013, Texas Instruments Incorporated Product Folder Links: LM3280 |
类似零件编号 - LM3280 |
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类似说明 - LM3280 |
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