Data Sheet

ISL85410
8
FN8375.5
July 24, 2014
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Efficiency Curves f
SW
= 500kHz, T
A
= +25°C
FIGURE 5. EFFICIENCY vs LOAD, PFM, V
OUT
= 12V FIGURE 6. EFFICIENCY vs LOAD, PWM, V
OUT
= 12V
FIGURE 7. EFFICIENCY vs LOAD, PFM, V
OUT
= 5V, L
1
= 30µH
FIGURE 8. EFFICIENCY vs LOAD, PWM, V
OUT
= 5V, L
1
= 30µH
FIGURE 9. EFFICIENCY vs LOAD, PFM, V
OUT
= 3.3V FIGURE 10. EFFICIENCY vs LOAD, PWM, V
OUT
= 3.3V
50
55
60
65
70
75
80
85
90
95
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
V
IN
= 15V
V
IN
= 24V
V
IN
= 33V
OUTPUT LOAD (A)
EFFICIENCY (%)
50
55
60
65
70
75
80
85
90
95
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
V
IN
= 15V
V
IN
= 24V
V
IN
= 33V
OUTPUT LOAD (A)
EFFICIENCY (%)
50
55
60
65
70
75
80
85
90
95
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
EFFICIENCY (%)
V
IN
= 6V
V
IN
= 15V
V
IN
= 24V
V
IN
= 12V
50
55
60
65
70
75
80
85
90
95
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
EFFICIENCY (%)
V
IN
= 6V
V
IN
= 15V V
IN
= 24V
V
IN
= 12V
50
55
60
65
70
75
80
85
90
95
100
V
IN
= 5V
V
IN
= 15V
V
IN
= 24V
V
IN
= 12V
V
IN
= 33V
OUTPUT LOAD (A)
EFFICIENCY (%)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
50
55
60
65
70
75
80
85
90
95
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
EFFICIENCY (%)
V
IN
= 5V
V
IN
= 15V
V
IN
= 24V
V
IN
= 12V
V
IN
= 33V