ADP5040 Analog Devices, ADP5040 Datasheet - Page 17

• Manufacturer Part Number: ADP5040
• Description: Micro PMU with 1.2 A Buck Regulator and Two 300 mA LDOs
• Manufacturer: Analog Devices

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