Datasheet

Data Sheet ADP2325
Rev. A | Page 9 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
IN
= 12 V, V
OUT
= 3.3 V, L = 2.2 µH, C
OUT
= 2 × 100 µF, f
SW
= 600 kHz, unless otherwise noted.
Figure 5. Efficiency at V
IN
= 12 V, f
SW
= 600 kHz, FPWM
Figure 6. Efficiency at V
IN
= 12 V, f
SW
= 600 kHz, FPWM and PFM
Figure 7. Efficiency at V
IN
= 5 V, f
SW
= 600 kHz, FPWM
Figure 8. Efficiency at V
IN
= 12 V, f
SW
= 300 kHz, FPWM
Figure 9. Efficiency at V
IN
= 12 V, f
SW
= 300 kHz, FPWM and PFM
Figure 10. Efficiency at V
IN
= 18 V, f
SW
= 300 kHz, FPWM
50
55
60
65
70
75
80
85
90
95
100
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
EFFICIENCY (%)
OUTPUT CURRENT (A)
INDUCTOR: FDVE1040-2R2M
MOSFET: FDS8880
V
OUT
= 5.0V
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 1.2V
10036-005
EFFICIENCY (%)
OUTPUT CURRENT (A)
0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1
INDUCTOR: FDVE1040-2R2M
MOSFET: FDS8880
V
OUT
= 5.0V, FPWM
V
OUT
= 3.3V, FPWM
V
OUT
= 5.0V, PFM
V
OUT
= 3.3V, PFM
10036-006
50
55
60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT CURRENT (A)
INDUCTOR: FDVE1040-1R5M
MOSFET: FDS8880
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 1.2V
10036-007
EFFICIENCY (%)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT CURRENT (A)
50
55
60
65
70
75
80
85
90
95
100
INDUCTOR: FDVE1040-4R7M
MOSFET: FDS8880
V
OUT
= 5.0V
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 1.2V
10036-008
0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1
EFFICIENCY (%)
OUTPUT CURRENT (A)
V
OUT
= 5.0V, FPWM
V
OUT
= 3.3V, FPWM
V
OUT
= 5.0V, PFM
V
OUT
= 3.3V, PFM
INDUCTOR: FDVE1040-4R7M
MOSFET: FDS8880
10036-009
EFFICIENCY (%)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT CURRENT (A)
50
55
60
65
70
75
80
85
90
95
100
INDUCTOR: FDVE1040-4R7M
MOSFET: FDS8880
V
OUT
= 5.0V
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 1.2V
10036-010