Datasheet

ADP3050 Data Sheet
Rev. C | Page 8 of 20
LOAD CURRENT (A)
0.8
0
SWITCH SATURATION VOLTAGE (V)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
V
IN
= 10V
00125-015
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Figure 15. Switch Saturation Voltage vs. Load Current
AMBIENT TEMPERATURE (°C)
196
190
SWITCHING FREQUENCY (kHz)
198
194
192
204
200
208
202
V
IN
= 10V
I
LOAD
= 250µA
206
210
–45 –35 –25 –15 –5 5 15 25 35 45 55 65 75 85
00125-016
Figure 16. Switching Frequency vs. Temperature
NORMALIZED FEEDBACK VOLTAGE (V)
250
200
0
0
1.00.2 0.4 0.6 0.8
SWITCHING FREQUENCY (kHz)
150
100
50
V
IN
= 10V
COMP = 0.4V
00125-017
Figure 17. Frequency Foldback
TIME (1µs/DIV)
V
IN
= 10V
V
OUT
= 5V
I
LOAD
= 800mA
L = 33µH
C
IN
= 22µF
C
OUT
= 100µF
V
SW
= 5V/DIV
I
L
= 500mA/DIV
0V
0A
00125-018
Figure 18. Continuous Conduction Mode Waveforms
TIME (1µs/DIV)
V
IN
= 10V
V
OUT
= 5V
I
LOAD
= 100mA
L = 33µH
C
IN
= 22µF
C
OUT
= 100µF
V
SW
= 5V/DIV
I
L
= 500mA/DIV
0V
0A
00125-019
Figure 19. Discontinuous Conduction Mode Waveforms
TIME (400µs/DIV)
V
OUT
= 200mV/DIV
I
LOAD
5V
1A
0A
00125-020
V
IN
= 10V
V
OUT
= 5V
I
LOAD
= 100mA TO 1A SWITCHED
L = 33µH
C
IN
= 22µF
C
OUT
= 100µF
Figure 20. Transient Response