Intersil ISL70002SEHEVAL1Z, User Manual

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AN1732 Rev.1.00 Page 3 of 13
December 6, 2016
ISL70002SEHEVAL1Z
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.
FIGURE 2. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 3.3V, f
SW
= 500kHz, -55°C CASE TEMPERATURE
FIGURE 3. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 3.3V, f
SW
= 1MHz, -55°C CASE TEMPERATURE
FIGURE 4. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 5V, f
SW
= 500kHz, -55°C CASE TEMPERATURE
FIGURE 5. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 5V, f
SW
= 1MHz, -55°C CASE TEMPERATURE
FIGURE 6. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 3.3V, f
SW
= 500kHz, +25°C CASE TEMPERATURE
FIGURE 7. EFFICIENCY vs LOAD vs OUTPUT VOLTAGE
V
IN
= 3.3V, f
SW
= 1MHz, +25°C CASE TEMPERATURE
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)
1.0V
OUT
2.5V
OUT 1.8V
OUT
1.5V
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)
1.0V
OUT
1.5V
OUT
1.2V
OUT
2.5V
OUT
1.8V
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
E
F
FICIE
NCY (
%
)
LOAD CURRENT (A)
2.5V
OUT
1.8V
OUT
1.5V
OUT
1.2V
OUT
3.3V
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
EFFICIE
N
CY
(
%
)
LOAD CURRENT (A)
2.5V
OUT
1.8V
OUT
1.5V
OUT
1.2V
OUT
1.0V
OUT
3.3V
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)
1.5V
OUT
1.2V
OUT
1.8V
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
EFF
ICIENCY (%
)
LOAD CURRENT (A)
1.5V
OUT
1.2V
OUT
1.8V
OUT
1.0V
OUT
2.5V
OUT