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LM3485 Datasheet(PDF) 6 Page - Texas Instruments |
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LM3485 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 22 page  0 200 400 600 800 4 12 20 28 36 INPUT VOLTAGE (V) L=10PH L=15PH L=22PH Inductor Current SW node Voltage Output Ripple Voltage TIME (5Ps/div) 0A 0.5A 0V 5V 10V 0mV 20mV -20mV 0A 0.5A 0V 5V 10V 0mV 20mV -20mV 1A Inductor Current SW node Voltage Output Ripple Voltage TIME (2Ps/div) (1A/div) (2V/div) lind@CADJ = 10nF lind@CADJ = 1nF VOUT@CADJ = 10nF VOUT@CADJ = 1nF (2V/div) VIN (10V/div) TIME (100Ps/div) 40 50 60 70 80 90 100 10 100 1000 10000 LOAD CURRENT (mA) VIN = 12V VIN = 24V 40 50 60 70 80 90 100 LOAD CURRENT (mA) 10 100 1000 10000 VIN = 12V VIN = 4.5V VIN = 24V LM3485 SNVS178F – MAY 2004 – REVISED SEPTEMBER 2009 www.ti.com Typical Performance Characteristics (continued) Unless otherwise specified, TJ = 25°C Efficiency Efficiency vs vs Load Current Load Current (VOUT = 3.3V, L = 22µH) (VOUT = 5.0V, L = 22µH) Continuous Mode Operation Start Up (VIN = 12V, VOUT = 3.3 V, IOUT = 500mA, L = 22µH) Operating Frequency vs Discontinuous Mode Operation Input Voltage (VIN = 12V, VOUT =3.3 V, IOUT = 50mA, L = 22µH) (VOUT = 3.3V, IOUT = 1A, COUT(ESR) = 80mΩ, Cff = 100pF) 6 Submit Documentation Feedback Copyright © 2004–2009, Texas Instruments Incorporated Product Folder Links: LM3485 |
Similar Part No. - LM3485_14 |
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Similar Description - LM3485_14 |
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