AN1732 Rev.1.00
Page 5 of 13
December 6, 2016
ISL70002SEHEVAL1Z
FIGURE 14. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE, V
IN
= 3.3V,
f
SW
= 500kHz, +125°C CASE TEMPERATURE
FIGURE 15. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 3.3V, f
SW
= 1MHz, +125°C CASE TEMPERATURE
FIGURE 16. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 5V, f
SW
= 500kHz, +125°C CASE TEMPERATURE
FIGURE 17. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 5V, f
SW
= 1MHz, +125°C CASE TEMPERATURE
FIGURE 18. GAIN/PHASE PLOT, V
IN
= 5V, f
SW
= 500kHz, +25°C
AMBIENT TEMPERATURE
FIGURE 19. GAIN/PHASE PLOT, V
IN
= 5V, f
SW
= 1MHz, +25°C
AMBIENT TEMPERATURE
ISL70002SEHEVAL1Z Efficiency Curves
The efficiency data presented in
Figures 2
through
17
was taken
with the ISL70002SEHEVAL1Z immersed in a temperature-calibrated liquid bath to ensure the notated IC case temperature. (Continued)
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10
11
12
E
F
F
ICIENCY (%
)
LOAD CURRENT (A)
1.8V
OUT
1.5V
OUT
1.2V
OUT
1.0V
OUT
2.5V
OUT
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10
11
12
EFFICIE
N
CY
(
%
)
LOAD CURRENT (A)
2.5V
OUT
1.8V
OUT
1.5V
OUT
1.2V
OUT
1.0V
OUT
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10
11
12
EFFICIENCY (%
)
LOAD CURRENT (A)
2.5V
OUT
1.8V
OUT
1.5V
OUT
1.0V
OUT
3.3V
OUT
1.2V
OUT
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10
11
12
EFFICIENCY (%
)
LOAD CURRENT (A)
2.5V
OUT
1.8V
OUT
1.5V
OUT
1.2V
OUT
3.3V
OUT
1.0V
OUT
-150
-100
-50
0
50
100
150
-60
-40
-20
0
20
40
60
100
1000
10000
100000
1000000
FREQUENCY (Hz)
GAIN (dB)
PHASE (DEGREE)
GAIN (d
B)
PHAS
E (
o
)
-150
-100
-50
0
50
100
150
-40
-30
-20
-10
0
10
20
30
40
50
60
100
1000
10000
100000
1000000
FREQUENCY (Hz)
GAIN (dB)
PHASE (DEGREE)
G
A
IN
(
d
B)
PH
A
S
E
(
o
)
