Datasheet

ADP1829 Data Sheet
Rev. C | Page 10 of 28
4.960
4.940
0
100
LOAD CURRENT (mA)
VREG (V)
4.956
4.952
4.948
4.944
20 40
60 80
06784-010
Figure 10. VREG vs. Load Current, V
IN
= 12 V
0
0 50 100 150 200 250
LOAD CURRENT (mA)
VREG OUTPUT (V)
1
2
4
5
3
06784-011
Figure 11. VREG Current-Limit Foldback
200ns/DIV
VREG, AC-COUPLED, 1V/DIV
SW1 PIN, V
OUT
= 1.8V, 10V/DIV
SW2 PIN, V
OUT
= 1.2V, 10V/DIV
T
06784-012
Figure 12. VREG Output During Normal Operation
0.6010
0.5980
–40
85
TEMPERATURE (°C)
FEEDBACK VOLTAGE (V)
0.6005
0.6000
0.5995
0.5990
0.5985
–15
10
35
60
06784-013
Figure 13. Feedback Voltage vs. Temperature, V
IN
= 12 V
330
260
–40
85
TEMPERATURE (°C)
FREQUENCY (Hz)
320
310
300
290
280
270
–15
10 35 60
06784-014
Figure 14. Switching Frequency vs. Temperature, V
IN
= 12 V
5
0
2
20
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
4
3
2
1
5
8 11 14
17
06784-015
Figure 15. Supply Current vs. Input Voltage