Datasheet

20 s/DIV
IOUT
2V/DIV
1A/DIV
VCON
2V/DIV
VOUT
20 s/DIV
5 mV/DIVVOUT
50 mA/DIV
IOUT
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
0
2
4
6
8
10
12
QUIESCENT CURRENT (mA)
INPUT VOLTAGE (V)
20 s/DIV
IOUT
2V/DIV
500 mA/DIV
VCON
2V/DIV
VOUT
3.0 3.5 4.0 4.5 5.0 5.5 6.0
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
3.00
SWITCHING FREQUENCY (MHz)
INPUT VOLTAGE (V)
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
210
220
230
240
250
260
270
280
290
QUIESCENT CURRENT (A)
INPUT VOLTAGE (V)
LM3243
SNVS782B –OCTOBER 2010–REVISED FEBRUARY 2013 www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Center-Switching Frequency vs. Supply Voltage Quiescent Current (PFM) vs. Supply Voltage
V
OUT
= 2.5V, I
OUT
= 700mA, V
IN
= 3.8V V
OUT
= 1V, 2.7V < V
IN
< 5.5V (No Load)
Figure 7. Figure 8.
Quiescent Current (PWM) vs. Supply Voltage VCON Transient (3G/4G)
V
OUT
= 2.5V, 2.7V < V
IN
< 5.5V (No Load) V
OUT
= 0V to 3V, R
LOAD
= 6.8Ω, V
IN
= 3.8V
Figure 9. Figure 10.
VCON Transient (PWM) Load Transient in PFM Mode
V
OUT
= 1.4V to 3.4V, R
LOAD
= 1.9Ω, V
IN
= 4.2V V
OUT
= 1V, I
OUT
= 0mA to 60mA, V
IN
= 3.6V
Figure 11. Figure 12.
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