Data Sheet
ADP2384
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VIN = 12 V, VOUT = 3.3 V, L = 3.3 µH, COUT = 47 µF × 2, fSW = 600 kHz, unless otherwise noted.
100
95
90
85
80
75
70
65
60
55
50
100
95
90
85
80
75
70
65
60
55
50
V
V
V
V
V
= 1.2V
= 1.8V
= 2.5V
= 3.3V
= 5V
V
V
V
V
V
= 1.2V
= 1.8V
= 2.5V
= 3.3V
= 5V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
INDUCTOR: FDVE1040-6R8M
INDUCTOR: FDVE1040-3R3M
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Figure 4. Efficiency at VIN = 12 V, fSW = 600 kHz
Figure 7. Efficiency at VIN = 12 V, fSW = 300 kHz
100
95
90
85
80
75
70
65
60
55
50
100
95
90
85
80
75
70
65
60
55
50
V
V
V
V
V
V
= 1.0V
= 1.2V
= 1.5V
= 1.8V
= 2.5V
= 3.3V
OUT
OUT
OUT
OUT
OUT
OUT
V
V
V
V
= 1.8V
= 2.5V
= 3.3V
= 5V
OUT
OUT
OUT
OUT
INDUCTOR: FDVE1040-3R3M
INDUCTOR: FDVE1040-1R5M
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Figure 8. Efficiency at VIN = 5 V, fSW = 600 kHz
Figure 5. Efficiency at VIN = 18 V, fSW = 600 kHz
100
90
80
70
60
50
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
T
T
T
= –40°C
= +25°C
= +125°C
T
T
T
= –40°C
= +25°C
= +125°C
J
J
J
J
J
J
4
6
8
10
12
14
16
18
20
4
6
8
10
12
14
16
18
20
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
Figure 6. Shutdown Current vs. VIN
Figure 9. Quiescent Current vs. VIN
Rev. 0 | Page 7 of 24
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