Datasheet

ADP2114 Data Sheet
Rev. B | Page 8 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
100
95
90
85
80
75
70
65
60
10 100 1k 10k
EFFICIENCY (%)
LOAD CURRENT (mA)
V
OUT
= 3.3V
V
OUT
= 3.3V; PULSE SKIP
V
OUT
= 1.8V
V
OUT
= 1.8V; PULSE SKIP
08143-004
Figure 4. Channel 1 Efficiency vs. Load, V
IN
= 5 V and f
sw
= 300 kHz;
V
OUT
= 3.3 V, Inductor Cooper Bussmann DR1050-8R2-R, 8.2 μH, 15 mΩ;
V
OUT
= 1.8 V, Inductor TOKO FDV0620-4R7M, 4.7 μH, 53 mΩ
100
95
90
85
80
75
70
65
60
10 100 1k 10k
EFFICIENCY (%)
LOAD CURRENT (mA)
V
OUT
= 3.3V
V
OUT
= 3.3V; PULSE SKIP
V
OUT
= 1.8V
V
OUT
= 1.8V; PULSE SKIP
08143-005
Figure 5. Channel 2 Efficiency vs. Load, V
IN
= 5 V and f
SW
= 600 kHz;
V
OUT
= 3.3 V, Inductor TOKO FDV0620-4R7M, 4.7 μH, 53 mΩ;
V
OUT
= 1.8 V, Inductor TOKO FDV0620-2R2M, 2.2 μH, 30 mΩ
100
95
90
85
80
75
70
65
60
10 100 1k 10k
EFFICIENCY (%)
LOAD CURRENT (mA)
V
IN
= 5V,
V
OUT
= 2.5V FORCED PWM
V
IN
= 5V,
V
OUT
= 2.5V PULSE SKIP
V
IN
= 3.3V,
V
OUT
= 1.2V FORCED PWM
V
IN
= 3.3V,
V
OUT
= 1.2V PULSE SKIP
08143-006
Figure 6. Efficiency vs. Load at f
SW
= 1.2 MHz;
Inductor TOKO FDV0620-1R0M, 1.0 μH, 14 mΩ
90
85
80
75
70
65
60
100 1k 10k
EFFICIENCY (%)
LOAD CURRENT (mA)
V
IN
= 5V
V
IN
= 3.3V
08143-007
Figure 7. Efficiency Combined Dual-Phase Output, V
OUT
= 0.8 V and
f
SW
= 1.2 MHz; Inductor TOKO FDV0620-1R0M, 1.0 μH, 14 mΩ