Datasheet

Data Sheet ADP2386
Rev. A | Page 7 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
IN
= 12 V, V
OUT
= 3.3 V, L = 2.2 µH, C
OUT
= 100 µF + 47 µF, f
SW
= 600 kHz, unless otherwise noted.
50
55
60
65
70
75
80
85
90
95
100
0 1 2
3
4
5 6
EFFICIENCY (%)
OUTPUT CURRENT (A)
V
OUT
= 1.2V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 5V
10211-007
Figure 4. Efficiency at V
IN
= 12 V, f
SW
= 600 kHz
50
55
60
65
70
75
80
85
90
95
100
0
1 2 3
4 5 6
EFFICIENCY (%)
OUTPUT CURRENT (A)
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 5V
10211-005
Figure 5. Efficiency at V
IN
= 18 V, f
SW
= 600 kHz
50
60
70
80
90
100
4 6 8 10 12 14 16 18 20
SHUTDOWN CURRENT (μA)
INPUT VOLTAGE (V)
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
1021
1-006
Figure 6. Shutdown Current vs. Input Voltage (V
IN
)
50
55
60
65
70
75
80
85
90
95
100
0 1
2
3
4
5
6
EFFICIENCY (%)
OUTPUT CURRENT (A)
V
OUT
= 1.2V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 5V
102
11-004
Figure 7. Efficiency at V
IN
= 12 V, f
SW
= 300 kHz
50
55
60
65
70
75
80
85
90
95
100
0
1 2
3
4 5
6
EFFICIENCY
(%)
OUTPUT CURRENT (A)
V
OUT
= 1.0V
V
OUT
= 1.2V
V
OUT
= 1.5V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
10211-008
Figure 8. Efficiency at V
IN
= 5 V, f
SW
= 600 kHz
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
4
6
8
10
12
14
16
18 20
QUIESCENT CURRENT (mA)
INPUT VOLTAGE (V)
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
102
11-009
Figure 9. Quiescent Current vs. V
IN