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LM20145 Datasheet(PDF) 5 Page - Texas Instruments

Part # LM20145
Description  5A PowerWise Adjustable Frequency Synchronous Buck Regulator
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM20145 Datasheet(HTML) 5 Page - Texas Instruments

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LM20145
www.ti.com
SNVS530E – OCTOBER 2007 – REVISED MARCH 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified: CIN = COUT = 100 µF, L = 1.5 µH (Coilcraft MSS1038), VIN = 5V, VOUT = 1.2V, RLOAD = 1.2Ω,
fSW = 500 kHz, 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)
Load Current (VIN = 3.3V)
Figure 1.
Figure 2.
High-Side FET Resistance
Low-Side FET Resistance
vs.
vs.
Temperature
Temperature
Figure 3.
Figure 4.
Error Amplifier Gain
vs.
Frequency
Line Regulation
Figure 5.
Figure 6.
Copyright © 2007–2013, Texas Instruments Incorporated
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