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LM20144MHX/NOPB Fiches technique(PDF) 5 Page - Texas Instruments

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No de pièce LM20144MHX/NOPB
Description  4A PowerWise Adjustable Frequency Synchronous Buck Regulator
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

LM20144MHX/NOPB Fiches technique(HTML) 5 Page - Texas Instruments

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LM20144
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SNVS529G – OCTOBER 2007 – REVISED MARCH 2013
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 © 2007–2013, Texas Instruments Incorporated
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