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参数资料
| 型号： | ADP125-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION ADJUSTABLE V |
| 标准包装： | 1 |
| 每 IC 通道数： | 1 - 单 |
| 输出电压： | 0.8 ~ 5 V |
| 电流 - 输出： | 500mA |
| 输入电压： | 2.3 ~ 5.5 V |
| 稳压器类型： | 正，可调式 |
| 工作温度： | -40°C ~ 85°C |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADP125 |
Data Sheet
–10
–20
5
ADP124/ADP125
–30
I OUT = 100μA
I OUT = 1mA
I OUT = 10mA
4
V OUT = 4.2V
–40
–50
I OUT = 100mA
I OUT = 300mA
I OUT = 500mA
3
V OUT = 3.3V
–60
2
–70
–80
–90
V IN = V OUT + 1V
V RIPPLE = 50mV
1
V OUT = 2.8V
–100
10
C IN = C OUT = 1μF
100 1k
10k 100k
FREQUENCY (Hz)
1M
10M
0
10
100
1k
FREQUENCY (Hz)
10k
100k
Figure 19. Power Supply Rejection Ratio vs. Frequency, V OUT = 4.2 V, V IN = 5.2 V
–10
70
Figure 22. Output Noise Spectrum, V IN = 5 V
–20
–30
–40
V OUT = 2.8V,
V OUT = 3.3V,
V OUT = 4.2V,
V OUT = 2.8V,
V OUT = 3.3V,
V OUT = 4.2V,
I OUT = 10mA
I OUT = 10mA
I OUT = 10mA
I OUT = 500mA
I OUT = 500mA
I OUT = 500mA
65
60
55
V OUT = 4.2V
V OUT = 3.3V
50
–50
–60
45
40
V OUT = 2.8V
–70
35
–80
–90
–100
V IN = V OUT + 1V
V RIPPLE = 50mV
C IN = C OUT = 1μF
30
25
20
10
100
1k
10k
100k
1M
10M
0.001
0.01
0.1
1
10
100
1k
FREQUENCY (Hz)
Figure 20. Power Supply Rejection Ratio vs. Frequency,
Various Output Voltages and Load Currents
–10
I LOAD (mA)
Figure 23. Output Noise vs. Load Current and Output Voltage, V IN = 5 V
–20
–30
V IN = 3.1V,
V IN = 3.3V,
V IN = 3.8V,
V IN = 4.8V,
I OUT = 10mA
I OUT = 10mA
I OUT = 10mA
I OUT = 10mA
1
I OUT
1mA TO 500mA LOAD STEP
–40
–50
–60
–70
2
V OUT
–80
V IN = 3.1V,
I OUT = 500mA
–90
V IN = 3.3V,
V IN = 3.8V,
V IN = 4.8V,
I OUT = 500mA
I OUT = 500mA
I OUT = 500mA
V IN = 4V
V OUT = 3.3V
–100
10
100
1k
10k
100k
1M
10M
CH1 500mA ? BW CH2 50.0mV
B
W
M40.0μs A CH1
200mA
FREQUENCY (Hz)
T
9.800%
Figure 21. Power Supply Rejection Ratio vs. Headroom Voltage (V IN ? V OUT ),
V OUT = 2.8 V
Rev. C | Page 9 of 20
Figure 24. Load Transient Response, C OUT = 1 μF
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