Datasheet

Data Sheet ADP1829
Rev. C | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
95
70
020
LOAD CURRENT (A)
EFFICIENCY (%)
90
85
80
75
51015
V
IN
= 5V
V
IN
= 20V
V
IN
= 15V
V
IN
= 12V
06784-004
Figure 4. Efficiency vs. Load Current, V
OUT
= 1.8 V, 300 kHz Switching
95
70
020
LOAD CURRENT (A)
EFFICIENCY (%)
90
85
80
75
51015
V
OUT
= 3.3V
V
OUT
= 1.8V
V
OUT
= 1.2V
06784-005
Figure 5. Efficiency vs. Load Current, V
IN
= 12 V, 300 kHz Switching
94
78
020
LOAD CURRENT (A)
EFFICIENCY (%)
92
90
88
86
84
82
80
51015
SWITCHING FREQUENCY = 300kHz
SWITCHING FREQUENCY = 600kHz
06784-006
Figure 6. Efficiency vs. Load Current, V
IN
= 5 V, V
OUT
= 1.8 V
92
78
020
LOAD CURRENT (A)
EFFICIENCY (%)
90
88
86
84
82
80
51015
SWITCHING FREQUENCY = 300kHz
SWITCHING FREQUENCY = 600kHz
06784-007
Figure 7. Efficiency vs. Load Current, V
IN
= 12 V, V
OUT
= 1.8 V
4.980
4.960
–40 85
TEMPERATURE (°C)
VREG VOLTAGE (V)
4.975
4.970
4.965
–15103560
06784-008
Figure 8. VREG Voltage vs. Temperature
4.970
4.950
520
INPUT VOLTAGE (V)
VREG (V)
4.968
4.966
4.964
4.962
4.960
4.958
4.956
4.954
4.952
8 111417
06784-009
Figure 9. VREG vs. Input Voltage, 10 mA Load