Datasheet

ADP1828
Rev. C | Page 11 of 36
0 20 40 60 80 100
VREG LOAD CURRENT (mA)
5.000
4.995
4.990
4.985
4.980
4.975
4.970
4.965
4.960
4.955
4.950
VREG OUTPUT (V)
06865-010
V
IN
= 5.5V
T
A
= 25°C
Figure 11. VREG vs. Load Current
–50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
5.000
4.995
4.990
4.985
4.980
4.975
4.970
4.965
4.960
4.955
4.950
VREG (V)
06865-011
V
IN
= 7V
NO LOAD
10mA LOAD
100mA LOAD
Figure 12. VREG Voltage vs. Temperature
0 50 100 150 200 250
VREG LOAD CURRENT (mA)
5
4
3
2
1
0
VREG OUTPUT (V)
V
IN
= 5.5V
T
A
= 25°C
06865-012
Figure 13. VREG Current-Limit Foldback
3 5 7 9 11 13 15 17
V
IN
(V)
3.0
2.5
2.0
1.5
1.0
0.5
0
∆
f
OSC
(%)
06865-013
300kHz
600kHz
T
A
= 25°C
Figure 14. Δ f
OSC
vs. V
IN
, Referenced at V
IN
= 3 V
06865-014
CH1 5.00V CH2 100mV M 400ns A CH1 3.60V
1
2
V
IN
= 5.5V
LOAD = 5A
T
B
W
B
W
SW
VREG (AC-COUPLED)
Figure 15. VREG Output of Figure 55
TEMPERATURE (°C)
FEEDBACK VOLTAGE (V)
06865-015
–40 –15 10 35 60 85 110 135
0.5990
0.5995
0.6000
0.6005
0.6010
0.6015
0.6020
0.6025
Figure 16. Feedback Voltage vs. Temperature, V
IN
= 12 V