Datasheet
LM20144
SNVS529G –OCTOBER 2007–REVISED MARCH 2013
www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise specified: C
IN
= C
OUT
= 100 µF, L = 1.0 µH (Coilcraft MSS1038), V
IN
= 5V, V
OUT
= 1.2V, R
LOAD
= 1.2Ω,
f
SW
= 1 MHz, T
A
= 25°C for efficiency curves, loop gain plots and waveforms, and T
J
= 25°C for all others.
Error Amplifier Gain
vs.
Frequency Line Regulation
Figure 7. Figure 8.
Feedback Pin Voltage
vs.
Load Regulation Temperature
Figure 9. Figure 10.
Switching Frequency Switching Frequency
vs. vs.
Temperature R
T
Figure 11. Figure 12.
6 Submit Documentation Feedback Copyright © 2007–2013, Texas Instruments Incorporated
Product Folder Links: LM20144