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ADP5040 Data Sheet
Rev. 0 | Page 16 of 40
CH1
CH2
CH3
A CH3 94.0mA
2
3
V
OUT
SW
4.0V/DIV
50.0mV/DIV
1MΩ
B
W
120M
1MΩ
B
W
20.0M
100mA/DIV
1
B
W
20.0M
200µs/DIV
500kS/s
2.0µs/pt
I
OUT
09665-051
Figure 51. Buck Response to Load Transient, I
OUT1
= 20 mA to 200 mA,
V
OUT1
= 1.2 V, Auto Mode
CH1
CH2
CH3
A CH3 92.0mA
2
3
V
OUT
SW
4.0V/DIV
50.0mV/DIV
1MΩ
B
W
120M
B
W
20.0M
200mA/DIV
1
B
W
20.0M
200µs/DIV
500kS/s
2.0µs/pt
I
OUT
09665-052
Figure 52. Buck Response to Load Transient, I
OUT1
= 50 mA to 500 mA,
V
OUT1
= 1.2 V, Auto Mode
CH1
CH2
CH3
A CH3 150mA
2
3
V
OUT
SW
4.0V/DIV
50.0mV/DIV
1MΩ
B
W
20.0M
1MΩ
B
W
20.0M
300mA/DIV
1
B
W
20.0M
500µs/DIV
20.0MS/s
50.0ns/pt
I
OUT
09665-053
Figure 53. Buck Response to Load Transient, I
OUT1
= 20 mA to 200 mA,
V
OUT1
= 3.3 V, PWM Mode
CH1
CH2
CH3
A CH3 150mA
2
3
V
OUT
SW
4.0V/DIV
50.0mV/DIV
1MΩ
B
W
20.0M
1MΩ
B
W
20.0M
300mA/DIV
1
B
W
20.0M
500µs/DIV
20.0MS/s
50.0ns/pt
I
OUT
09665-054
Figure 54. Buck Response to Load Transient, I
OUT1
= 50 mA to 500 mA,
V
OUT1
= 3.3 V, PWM Mode
CH1
CH2
CH3
A CH3 150mA
2
3
V
OUT
SW
4.0V/DIV
50.0mV/DIV
1MΩ
B
W
20.0M
1MΩ
B
W
20.0M
300mA/DIV
1
B
W
20.0M
500µs/DIV
20.0MS/s
50.0ns/pt
I
OUT
09665-055
Figure 55. Buck Response to Load Transient, I
OUT1
= 20 mA to 200 mA,
V
OUT1
= 1.8 V, PWM Mode
CH1
CH2
CH3
A CH3 150mA
2
3
V
OUT
SW
4.0V/DIV
100mV/DIV
1MΩ
B
W
20.0M
1MΩ
B
W
20.0M
300mA/DIV
1
B
W
20.0M
500µs/DIV
20.0MS/s
50.0ns/pt
I
OUT
09665-056
Figure 56. Buck Response to Load Transient, I
OUT1
= 50 mA to 500 mA,
V
OUT1
= 1.8 V, PWM Mode