Datasheet

ADP5040 Data Sheet
Rev. 0 | Page 14 of 40
CH2
CH3
CH4
A CH1 640mV 200ns/DIV
500MS/s
2.0ns/pt
SW
V
OUT
I
SW
200mA/DIV 1MΩ
B
W
20.0M
3.0V/DIV 1MΩ
B
W
20.0M
20.0mV/DIV 20.0M
2
3
4
09665-039
Figure 39. Typical Waveforms, V
OUT1
= 1.8 V, I
OUT1
= 30 mA, PWM Mode
CH2
CH3
CH4
A CH3 1.14V 200ns/DIV
500MS/s
2.0ns/pt
SW
V
OUT
I
SW
200mA/DIV 1MΩ
B
W
20.0M
3.0V/DIV 1MΩ
B
W
20.0M
40.0mV/DIV 20.0M
2
3
4
09665-040
Figure 40. Typical Waveforms, V
OUT1
= 1.2 V, I
OUT1
= 30 mA, PWM Mode
CH1
CH2
CH3
A CH3 4.48V
SW
V
OUT
V
IN
3.0V/DIV
50.0mV/DIV
1MΩ
B
W
20.0M
1.0V/DIV
2
1
3
B
W
400M
B
W
20.0M
200µs/DIV
1.0MS/s
1.0µs/pt
09665-041
Figure 41. Buck Response to Line Transient, Input Voltage from 4.5 V to
5.0 V, V
OUT1
= 3.3 V, I
OUT1
= 5 mA, Auto Mode
CH1
CH2
CH3
A CH3 4.48V
SW
V
OUT
V
IN
3.0V/DIV
30.0mV/DIV
1MΩ
B
W
20.0M
1.0V/DIV
2
1
3
B
W
400M
B
W
20.0M
200µs/DIV
1.0MS/s
1.0µs/pt
09665-042
Figure 42. Buck Response to Line Transient, Input Voltage from 4.5 V to
5.0 V, V
OUT1
= 1.8 V, I
OUT1
= 5 mA, Auto Mode
CH1
CH2
CH3
A CH3 4.48V
SW
V
OUT
V
IN
3.0V/DIV
50.0mV/DIV
1MΩ
B
W
20.0M
1.0V/DIV
2
1
3
B
W
400M
B
W
20.0M
200µs/DIV
1.0MS/s
1.0µs/pt
09665-043
Figure 43. Buck Response to Line Transient, Input Voltage from 4.5 V to
5.0 V, V
OUT1
= 1.2 V, I
OUT1
= 5 mA, Auto Mode
CH1
CH2
CH3
A CH3 4.48V
SW
V
OUT
V
IN
3.0V/DIV
50.0mV/DIV
1MΩ
B
W
20.0M
1.0V/DIV
2
1
3
B
W
400M
B
W
20.0M
200µs/DIV
1.0MS/s
1.0µs/pt
09665-044
Figure 44. Buck Response to Line Transient, Input Voltage from 4.5 V to
5.0 V, V
OUT1
= 3.3 V, PWM Mode