Datasheet

Data Sheet ADP2384
Rev. 0 | Page 7 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
IN
= 12 V, V
OUT
= 3.3 V, L = 3.3 µH, C
OUT
= 47 µF × 2, f
SW
= 600 kHz, unless otherwise noted.
100
50
55
60
65
70
75
80
85
90
95
0 4.0
EFFICIENCY (%)
OUTPUT CURRENT (A)
V
OUT
= 1.2V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 5V
INDUCTOR: FDVE1040-3R3M
1.0 2.0 3.52.51.50.5 3.0
10725-004
Figure 4. Efficiency at V
IN
= 12 V, f
SW
= 600 kHz
4.01.0 2.0 3.52.51.50.5 3.0
100
50
55
60
65
70
75
80
85
90
95
0
EFFICIENCY (%)
OUTPUT CURRENT (A)
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 5V
INDUCTOR: FDVE1040-3R3M
10725-005
Figure 5. Efficiency at V
IN
= 18 V, f
SW
= 600 kHz
208 12 1814106 16
100
50
60
70
80
90
4
SHUTDOWN CURRENT (µA)
INPUT VOLTAGE (V)
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
10725-006
Figure 6. Shutdown Current vs. V
IN
4.01.0 2.0 3.52.51.50.5 3.0
100
50
55
60
65
70
75
80
85
90
95
0
EFFICIENCY (%)
OUTPUT CURRENT (A)
V
OUT
= 1.2V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 5V
INDUCTOR: FDVE1040-6R8M
10725-007
Figure 7. Efficiency at V
IN
= 12 V, f
SW
= 300 kHz
4.01.0 2.0 3.52.51.50.5 3.0
100
50
55
60
65
70
75
80
85
90
95
0
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
INDUCTOR: FDVE1040-1R5M
10725-008
Figure 8. Efficiency at V
IN
= 5 V, f
SW
= 600 kHz
208 12 1814106 16
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
4
QUIESCENT CURRENT (mA)
INPUT VOLTAGE (V)
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
10725-009
Figure 9. Quiescent Current vs. V
IN