Datasheet

Data Sheet ADP5040
Rev. 0 | Page 17 of 40
SW
CH1
CH2
CH3
A CH3 94.0mA
2
3
V
OUT
4.0V/DIV
50.0mV/DIV
1MΩ
B
W
120.0M
B
W
20.0M
100mA/DIV
1
B
W
20.0M
200µs/DIV
500kS/s
2.0ns/pt
I
OUT
09665-057
Figure 57. Buck Response to Load Transient, I
OUT1
= 20 mA to 200 mA,
V
OUT1
= 1.2 V, PWM Mode
CH1
CH2
CH3
A CH3 92.0mA
2
3
V
OUT
4.0V/DIV
50.0mV/DIV
1MΩ
B
W
20.0M
20.0M
200mA/DIV
1
20.0M
200µs/DIV
500kS/s
2.0ns/pt
SW
I
OUT
09665-058
Figure 58. Buck Response to Load Transient, I
OUT1
= 50 mA to 500 mA,
V
OUT1
= 1.2 V, PWM Mode
CH1
CH2
CH3
A CH1 1.72V
2
3
V
OUT
2.0V/DIV
2.0V/DIV
B
W
20.0M
1MΩ
B
W
20.0M
200mA/DIV
1
1MΩ
B
W
20.0M
50.0µs/DIV
200MS/s
5.0ns/pt
I
IN
EN
09665-059
Figure 59. LDO1, LDO2 Startup, V
OUT
= 4.7 V, I
OUT
= 5 mA
CH1
CH2
CH3
A CH1 1.72V
V
OUT
2.0V/DIV
2.0V/DIV
B
W
20.0M
1MΩ
B
W
20.0M
200mA/DIV
1MΩ
B
W
20.0M
50.0µs/DIV
200MS/s
5.0ns/pt
I
IN
EN
09665-060
Figure 60. LDO1, LDO2 Startup, V
OUT
= 3.3 V, I
OUT
= 5 mA
CH1
CH2
CH3
A CH1 760mV
2
3
V
OUT
2.0V/DIV
1.0V/DIV
B
W
20.0M
1MΩ
B
W
20.0M
200mA/DIV
1
1MΩ
B
W
20.0M
50.0µs/DIV
200MS/s
5.0ns/pt
I
IN
EN
09665-061
Figure 61. LDO1, LDO2 Startup, V
OUT
= 1.8 V, I
OUT
= 5 mA
CH1
CH2
CH3
A CH1 1.72V
2
3
V
OUT
2.0V/DIV
1.0V/DIV
B
W
20.0M
1MΩ
B
W
20.0M
200mA/DIV
1
1MΩ
B
W
20.0M
50.0µs/DIV
200MS/s
5.0ns/pt
I
IN
EN
09665-062
Figure 62. LDO1, LDO2 Startup, V
OUT
= 1.2 V, I
OUT
= 5 mA