User Guide 113
7
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UG113.0
February 15, 2017
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Typical Performance Curves
V
IN
= 12V, V
OUT
= 1.8V, L
= 0.68µH, f
SW
= 600kHz, T
A
= +25°C, unless otherwise noted.
FIGURE 8. EFFICIENCY vs LOAD
FIGURE 9. START-UP WITH EN, I
OUT
= 14A
FIGURE 10. LOAD TRANSIENT, 0A
→
14A
→
0A, 2.5A/µs
FIGURE 11. OUTPUT VOLTAGE RIPPLE, I
OUT
= 14A
30
40
50
60
70
80
90
100
0
2
4
6
8
10
12
14
OUTPUT CURRENT (A)
VIN = 12V, fsw = 600kHz, DEM
VIN = 5V, fsw = 600kHz, DEM
EFFICIENCY (%)
V
OUT
(1V/DIV)
EN (10V/DIV)
I
L
(10A/DIV)
1ms/DIV
50µs/DIV
I
OUT
(5A/DIV)
V
OUT
(50mV/DIV), AC COUPLING
V
OUT
(10mV/DIV), AC COUPLING
PHASE (5V/DIV)
1µs/DIV