参数资料
型号: ADP2302-EVALZ
厂商: Analog Devices Inc
文件页数: 11/28页
文件大小: 0K
描述: EVAL BOARD FOR ADP2302
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
电流 - 输出: 2A
输入电压: 3 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 700kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ADP2302
Data Sheet
1
V OUT
I L
1
V OUT
I L
ADP2302/ADP2303
4
2
SW
4
2
SW
W
CH1 1.00mV
B
CH2 10.0V M40.0μs
CH4 5.00A ? T 30.00%
A CH1
1.26V
CH1 1.00V
B
W
CH2 10.0V M400μs
CH4 5.00A ? T 30.00%
A CH1
1.26V
1
3
2
Figure 34. Output Short, V OUT = 3.3 V, V IN = 12 V,
L = 4.7 μH, C OUT = 2 × 47 μF
V OUT
V IN
SW
1
3
2
Figure 37. Output Short Recovery, V OUT = 3.3 V, V IN = 12 V,
L = 4.7 μH, C OUT = 2 × 47 μF
V OUT
V IN
SW
CH1 20.0mV
CH3 5.00V BW
B
W
CH2 10.0V BW
M1.00ms A CH3
T 23.40%
11.0V
CH1 20.0mV
CH3 5.00V BW
B
W
CH2 10.0V BW M1.00ms
T 23.40%
A CH3
11.0V
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
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
80
64
48
32
16
0
–16
–32
–48
180
144
108
72
36
0
–36
–72
–108
80
64
48
32
16
0
–16
–32
–48
180
144
108
72
36
0
–36
–72
–108
–64
CROSS FREQUENCY = 36kHz
–144
–64
CROSS FREQUENCY = 42kHz
–144
PHASE MARGIN = 60°
PHASE MARGIN = 56°
–80
1k
10k
100k
1M
–180
–80
1k
10k
100k
1M
–180
FREQUENCY (Hz)
Figure 36. ADP2302 Bode Plot, V OUT = 2.5 V, V IN = 12 V,
L = 4.7 μH, C OUT =3 × 22 μF
Rev. A | Page 11 of 28
FREQUENCY (Hz)
Figure 39. ADP2302 Bode Plot, V OUT = 3.3 V, V IN = 12 V,
L = 6.8 μH, C OUT = 2 × 22 μF
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