ADP1823 Datasheet, PDF (9/32 Pages) Analog Devices – Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking

TYPICAL PERFORMANCE CHARACTERISTICS
95
V_IN = 5V
V_IN = 12V
90
85
V_IN = 20V
V_IN = 15V
80
75
70
0
5
10
15
20
LOAD CURRENT (A)
Figure 4. Efficiency vs. Load Current, VOUT = 1.8 V, 300 kHz Switching
95
V_OUT = 3.3V
90
V_OUT = 1.8V
85
V_OUT = 1.2V
80
75
70
0
5
10
15
20
LOAD CURRENT (A)
Figure 5. Efficiency vs. Load Current, VIN = 12 V, 300 kHz Switching
94
SWITCHING FREQUENCY = 300kHz
92
90
88
86 SWITCHING FREQUENCY = 600kHz
84
82
80
78
0
5
10
15
20
LOAD CURRENT (A)
Figure 6. Efficiency vs. Load Current, VIN = 5 V, VOUT = 1.8 V
ADP1823
92
SWITCHING FREQUENCY = 300kHz
90
88
86
84
SWITCHING FREQUENCY = 600kHz
82
80
78
0
5
10
15
20
LOAD CURRENT (A)
Figure 7. Efficiency vs. Load Current, VIN = 12 V, VOUT = 1.8 V
4.980
4.975
4.970
4.965
4.960
–40
–15
10
35
60
85
TEMPERATURE (°C)
Figure 8. VREG Voltage vs. Temperature
4.970
4.968
4.966
4.964
4.962
4.960
4.958
4.956
4.954
4.952
4.950
5
8
11
14
17
20
INPUT VOLTAGE (V)
Figure 9. VREG vs. Input Voltage, 10 mA Load
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