ADP2114 Analog Devices, ADP2114 Datasheet - Page 8

• Manufacturer Part Number: ADP2114
• Description: Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator
• Manufacturer: Analog Devices

ADP2114
TYPICAL PERFORMANCE CHARACTERISTICS
V
OUT
Figure 5. Channel 2 Efficiency vs. Load, V
Figure 4. Channel 1 Efficiency vs. Load, V
100
= 3.3 V, Inductor Cooper Bussmann DR1050-8R2-R, 8.2 μH, 15 mΩ;
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
V
V
V
OUT
OUT
OUT
10
10
= 3.3 V, Inductor TOKO FDV0620-4R7M, 4.7 μH, 53 mΩ;
= 1.8 V, Inductor TOKO FDV0620-4R7M, 4.7 μH, 53 mΩ
= 1.8 V, Inductor TOKO FDV0620-2R2M, 2.2 μH, 30 mΩ
100
100
LOAD CURRENT (mA)
LOAD CURRENT (mA)
V
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
= 5 V and f
= 5 V and f
1k
1k
= 3.3V
= 3.3V; PULSE SKIP
= 1.8V
= 1.8V; PULSE SKIP
= 3.3V
= 3.3V; PULSE SKIP
= 1.8V
= 1.8V; PULSE SKIP
SW
sw
= 300 kHz;
= 600 kHz;
10k
10k
Rev. 0 | Page 8 of 40
Figure 7. Efficiency Combined Dual-Phase Output, V
100
f
95
90
85
80
75
70
65
60
90
85
80
75
70
65
60
SW
100
10
= 1.2 MHz; Inductor TOKO FDV0620-1R0M, 1.0 μH, 14 mΩ
Inductor TOKO FDV0620-1R0M, 1.0 μH, 14 mΩ
Figure 6. Efficiency vs. Load at f
V
IN
= 3.3V
100
V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
IN
= 5V
1k
V
V
V
V
V
V
V
V
IN
OUT
IN
OUT
IN
OUT
IN
OUT
= 5V,
= 5V,
= 3.3V,
= 3.3V,
SW
= 2.5V FORCED PWM
= 2.5V PULSE SKIP
= 1.2V FORCED PWM
= 1.2V PULSE SKIP
1k
= 1.2 MHz;
OUT
= 0.8 V and
10k
10k