VOUT (100 mV/DIV)

IOUT (2A/DIV)

TIME (100 é

s/DIV)

IOUT (600 mA to 6A)

LM20146

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SNVS563C – FEBRUARY 2008 – REVISED APRIL 2013

Typical Performance Characteristics (continued)

Unless otherwise specified: CIN = COUT = 100µF, L = 1.0µH (TDK SPM6530T-1R0M120), VIN = 5V, VOUT = 1.2V, RLOAD =

1.2

Ω, 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 (TJ)

Temperature (TJ)

Figure 14.

Figure 15.

Peak Current Limit

Peak Current Limit

vs.

vs.

Temperature (TJ)

VOUT

Figure 16.

Figure 17.

Peak Current Limit

vs.

VIN

Load Transient Response

Figure 18.

Figure 19.

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