Datasheet

Data Sheet ADP2302/ADP2303
Rev. A | Page 11 of 28
CH1 1.00mV
B
W
CH2 10.0V M40.0µs A CH1 1.26V
1
4
2
T 30.00%
V
OUT
I
L
SW
CH4 5.00A Ω
08833-034
Figure 34. Output Short, V
OUT
= 3.3 V, V
IN
= 12 V,
L = 4.7 μH, C
OUT
= 2 × 47 μF
CH1 20.0mV
B
W
CH2 10.0V
B
W
M1.00ms A CH3 11.0V
1
3
2
T 23.40%
V
OUT
V
IN
SW
CH3 5.00V
B
W
08833-035
Figure 35. ADP2303 Line Transient, 7 V to 15 V, V
OUT
= 3.3 V, I
OUT
= 3 A,
L = 4.7 μH, C
OUT
= 2 × 47 μF
1k 10k
80
64
48
32
16
0
–16
–32
–48
–64
–80
180
144
108
72
36
0
–36
–72
–108
–144
–180
100k 1M
MAGNITUDE (dB) PHASE (Degrees)
CROSS FREQUENCY = 36kHz
PHASE MARGIN = 60°
FREQUENCY (Hz)
0
8833-036
Figure 36. ADP2302 Bode Plot, V
OUT
= 2.5 V, V
IN
= 12 V,
L = 4.7 μH, C
OUT
=3 × 22 μF
CH1 1.00V
B
W
CH2 10.0V M400µs A CH1 1.26V
1
4
2
T 30.00%
V
OUT
I
L
CH4 5.00A Ω
SW
08833-037
Figure 37. Output Short Recovery, V
OUT
= 3.3 V, V
IN
= 12 V,
L = 4.7 μH, C
OUT
= 2 × 47 μF
CH1 20.0mV
B
W
CH2 10.0V
B
W
M1.00ms A CH3 11.0V
1
3
2
T 23.40%
V
OUT
V
IN
SW
CH3 5.00V
B
W
08833-038
Figure 38. ADP2302 Line Transient, 7 V to 15 V, V
OUT
= 3.3 V, I
OUT
= 2 A,
L = 6.8 μH, C
OUT
= 2 × 22 μF
1k 10k
80
64
48
32
16
0
–16
–32
–48
–64
–80
180
144
108
72
36
0
–36
–72
–108
–144
–180
100k 1M
CROSS FREQUENCY = 42kHz
PHASE MARGIN = 56°
FREQUENCY (Hz)
0
8833-039
MAGNITUDE (dB) PHASE (Degrees)
Figure 39. ADP2302 Bode Plot, V
OUT
= 3.3 V, V
IN
= 12 V,
L = 6.8 μH, C
OUT
= 2 × 22 μF