User Guide 026
5
Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is
cautioned to verify that the document is current before proceeding.
For information regarding Intersil Corporation and its products, see
UG026.1
February 3, 2017
Typical Performance Curves
FIGURE 11. EFFICIENCY vs LOAD, f
SW
= 2MHz, V
IN
= 5V, T
A
= +25°C
FIGURE 12. START-UP V
IN
AT 2A LOAD, f
SW
= 2MHz, V
IN
= 5V,
T
A
= +25°C
FIGURE 13. SHUTDOWN V
IN
AT 2A LOAD, f
SW
= 2MHz, V
IN
= 5V,
T
A
= +25°C
FIGURE 14. OVERCURRENT PROTECTION, f
SW
= 2MHz, V
IN
= 5V,
T
A
= +25°C
40
50
60
70
80
90
100
0.0 0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
EFF
ICIENCY (%
)
OUTPUT LOAD (A)
1.8V
OUT
1.5V
OUT
2.5V
OUT
3.3V
OUT
500µs/DIV
V
IN
5V/DIV
V
OUT
1V/DIV
I
L
1A/DIV
PG 5V/DIV
1ms/DIV
V
IN
5V/DIV
V
OUT
1V/DIV
I
L
1A/DIV
PG 5V/DIV
500µs/DIV
V
OUT
0.5V/DIV
I
L
1A/DIV
PG 5V/DIV