Datasheet

100 s/DIV
50 mV/DIV
VOUT
1V/DIV
VIN
20 s/DIV
2V/DIV
VOUT
1V/DIV
VSW
2V/DIV
EN
100 Ps/DIV
100 mV/
DIV
VOUT
IOUT
500 mA/
DIV
100 s/DIV
50 mV/DIV
VOUT
1V/DIV
VIN
100 Ps/DIV
20 mV/
DIV
VOUT
200 mA/
DIV
IOUT
100 Ps/DIV
50 mV/
DIV
VOUT
500 mA/
DIV
IOUT
LM3243
www.ti.com SNVS782B –OCTOBER 2010–REVISED FEBRUARY 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Load Transient in PWM Mode Load Transient in PWM Mode
V
IN
= 3.8V, V
OUT
= 2.5V, I
OUT
= 0mA to 300mA V
IN
= 3.8V, V
OUT
= 3.0V, I
OUT
= 0mA to 700mA
Figure 13. Figure 14.
Load Transient in PWM Mode Line Transient
V
IN
= 4.2V, V
OUT
= 3.0V, I
OUT
= 0mA to 1.2A V
IN
= 3.6V to 4.2V, V
OUT
= 2.5V, R
LOAD
= 6.8Ω
Figure 15. Figure 16.
Line Transient Startup in PFM Mode
V
IN
= 3.6V to 4.2V, V
OUT
= 1.0V, R
LOAD
= 6.8Ω V
IN
= 3.8V, V
OUT
= 1.0V, No Load, EN = LOW to HIGH
Figure 17. Figure 18.
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