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ADP2302ARDZ-5.0-R7 数据表(PDF) 11 Page - Analog Devices

部件名 ADP2302ARDZ-5.0-R7
功能描述  2 A/3 A, 20 V, 700 kHz, Nonsynchronous Step-Down Regulators
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2302ARDZ-5.0-R7 数据表(HTML) 11 Page - Analog Devices

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ADP2302/ADP2303
Rev. 0 | Page 11 of 28
CH1 1.00mV
B
W
CH2 10.0V
M40.0µs
A CH1
1.26V
1
4
2
T 30.00%
VOUT
IL
SW
CH4 5.00A
Ω
Figure 34. Output Short, VOUT = 3.3 V, VIN = 12 V,
L = 4.7 μH, COUT = 2 × 47 μF
CH1 20.0mV
B
W
CH2 10.0V BW M1.00ms A CH3
11.0V
1
3
2
T 23.40%
VOUT
VIN
SW
CH3 5.00V BW
Figure 35. ADP2303 Line Transient, 7 V to 15 V, VOUT = 3.3 V, IOUT = 3 A,
L = 4.7 μH, COUT = 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
CROSS FREQUENCY = 36kHz
PHASE MARGIN = 60°
FREQUENCY (Hz)
Figure 36. ADP2302 Bode Plot, VOUT = 2.5 V, VIN = 12 V,
L = 4.7 μH, COUT =3 × 22 μF
CH1 1.00V
B
W
CH2 10.0V
M400µs
A CH1
1.26V
1
4
2
T 30.00%
VOUT
IL
CH4 5.00A
Ω
SW
Figure 37. Output Short Recovery, VOUT = 3.3 V, VIN = 12 V,
L = 4.7 μH, COUT = 2 × 47 μF
CH1 20.0mV
B
W
CH2 10.0V BW M1.00ms
A CH3
11.0V
1
3
2
T 23.40%
VOUT
VIN
SW
CH3 5.00V BW
Figure 38. ADP2302 Line Transient, 7 V to 15 V, VOUT = 3.3 V, IOUT = 2 A,
L = 6.8 μH, COUT = 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)
Figure 39. ADP2302 Bode Plot, VOUT = 3.3 V, VIN = 12 V,
L = 6.8 μH, COUT = 2 × 22 μF



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