Analog Devices UG-189 User Manual page 6

UG-189
1
4
2
CH1 5mV B CH2 5V
W
CH4 2A Ω
Figure 9. Continuous Conduction Mode (CCM)
1
4
2
B
CH1 5mV CH2 5V
W
CH4 2A Ω
Figure 10. Discontinuous Conduction Mode (DCM)
1
4
2
CH1 50mV B CH2 5V
W
CH4 2A Ω
Figure 11. Power Saving Mode
M1 µ s A CH2 7.5V
T 30%
M1µs A CH2 7.5V
T 30%
M200 µ s A CH2 7.5V
T 30%
1
4
3
2
CH1 2V B
CH3 10V B
1
4
CH1 200mV
Figure 13. ADP2303 Load Transient, 0.5 A to 3.0 A, V
1
3
2
CH1 20mV
CH3 5V
Figure 14. ADP2303 Line Transient, 7 V to 15 V, V
Rev. 0 | Page 6 of 12
Evaluation Board User Guide
CH2 10V M1 m s
W
CH4 2A Ω T 20.2%
W
Figure 12. Soft Start with Full Load
B M200 µ s A CH4
W
T 20%
CH4 2A Ω
L = 4.7 μH, C = 2 × 47 μF
OUT
B B
CH2 10V M1 m s
W W
T 23.4%
B
W
OUT
L = 4.7 μH, C = 2 × 47 μF
OUT
A CH3 3.6V
1.88A
= 3.3 V, V = 12 V,
OUT IN
A CH3 11V
= 3.3 V, I = 3 A,
OUT