ADP2109 Analog Devices, ADP2109 Datasheet - Page 7

• Manufacturer Part Number: ADP2109
• Description: Compact 600 mA, 3 MHz, Step-Down Converter with Output Discharge
• Manufacturer: Analog Devices

1.825
1.815
1.805
1.795
1.785
1.775
1.025
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
100
90
80
70
60
50
40
30
20
10
0.001
0
0
0
Figure 10. Load Regulation, V
Figure 9. Load Regulation, V
0.1
0.1
V
V
V
V
V
V
V
V
Figure 11. Efficiency, V
IN
IN
IN
IN
IN
IN
IN
IN
= 2.7V
= 3.6V
= 4.5V
= 5.5V
= 2.7V
= 3.6V
= 4.5V
= 5.5V
0.01
0.2
OUTPUT CURRENT (A)
0.2
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0.3
0.3
OUT
OUT
= 1.8 V
OUT
0.1
0.4
0.4
V
V
V
V
= 1.8 V
IN
IN
IN
IN
= 1.0 V
= 2.7V
= 3.6V
= 4.5V
= 5.5V
0.5
0.5
0.6
0.6
1
Rev. A | Page 7 of 16
Figure 13. Line Transient, V
100
3
4
1
3
4
1
90
80
70
60
50
40
30
20
10
0.001
Figure 14. Line Transient, V
0
CH1
CH3 1V
CH3 1V
50mV
20mV
V
V
V
V
IN
IN
IN
IN
= 2.7V
= 3.6V
= 4.5V
= 5.5V
Figure 12. Efficiency, V
CH4 2V
CH4 2V
V
SW
V
OUT
IN
0.01
OUTPUT CURRENT (A)
OUT
V
SW
V
OUT
IN
= 1.8 V, Power Save Mode, I
OUT
M 40µs
M 40µs
T
= 1.8 V, PWM, I
10.80%
10.80%
OUT
= 1.0 V
0.1
A CH3
A CH3
LOAD
=100 mA
ADP2109
LOAD
3.26V
3.26V
= 20 mA
1