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LM20144Q 데이터시트(PDF) 5 Page - Texas Instruments |
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LM20144Q 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 29 page LM20144 www.ti.com SNVS529F – OCTOBER 2007 – REVISED NOVEMBER 2011 TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise specified: CIN = COUT = 100 µF, L = 1.0 µH (Coilcraft MSS1038), VIN = 5V, VOUT = 1.2V, RLOAD = 1.2Ω, fSW = 1 MHz, TA = 25°C for efficiency curves, loop gain plots and waveforms, and TJ = 25°C for all others. Efficiency Efficiency vs. vs. Load Current (VIN = 5V, fSW = 1 MHz) Load Current (VIN = 3.3V, fSW = 1 MHz) Figure 1. Figure 2. Efficiency Efficiency vs. vs. Load Current (VIN = 5V, fSW = 500 kHz) Load Current (VIN = 3.3V, fSW = 500 kHz) Figure 3. Figure 4. High-Side FET Resistance Low-Side FET Resistance vs. vs. Temperature Temperature Figure 5. Figure 6. Copyright © 2007–2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM20144 |
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