LM20145

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SNVS530E – OCTOBER 2007 – REVISED MARCH 2013

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

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.

Enable Threshold

UVLO Threshold

vs.

vs.

Temperature

Temperature

Figure 13.

Figure 14.

Peak Current Limit

Peak Current Limit

vs.

vs.

Temperature

VOUT

Figure 15.

Figure 16.

Peak Current Limit

vs.

VIN

Load Transient Response

Figure 17.

Figure 18.

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