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参数资料
| 型号： | ADP121CB-3.3-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL ADP121-1 3.3V OUTPUT |
| 设计资源： | Low power, Long Range, ISM Wireless Measuring Node (CN0164) |
| 标准包装： | 1 |
| 每 IC 通道数： | 1 - 单 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 150mA |
| 输入电压： | 2.3 ~ 5.5 V |
| 稳压器类型： | 正，固定式 |
| 工作温度： | -40°C ~ 125°C |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADP121 |
ADP121
Data Sheet
Parameter
POWER SUPPLY REJECTION RATIO
Symbol
PSRR
Conditions
10 kHz, V IN = 5 V, V OUT = 3.3 V
Min
Typ
60
Max
Unit
dB
10 kHz, V IN = 5 V, V OUT = 2.5 V
10 kHz, V IN = 5 V, V OUT = 1.2 V
66
70
dB
dB
1
2
3
4
Based on an end-point calculation using 1 mA and 100 mA loads. See Figure 6 for typical load regulation performance for loads less than 1 mA.
Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. This applies only for output
voltages above 2.3 V.
Start-up time is defined as the time between the rising edge of EN to VOUT being at 90% of its nominal value.
Current-limit threshold is defined as the current at which the output voltage drops to 90% of the specified typical value. For example, the current limit for a 3.0 V
output voltage is defined as the current that causes the output voltage to drop to 90% of 3.0 V, or 2.7 V.
RECOMMENDED SPECIFICATIONS: INPUT AND OUTPUT CAPACITORS
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT AND OUTPUT CAPACITOR 1
Minimum Input and Output Capacitance
C MIN
T A = ?40°C to +125°C
0.70
μF
Capacitor ESR
R ESR
T A = ?40°C to +125°C
0.001
1
Ω
1
The minimum input and output capacitance should be greater than 0.70 μF over the full range of operating conditions. The full range of operating conditions in the
application must be considered during device selection to ensure that the minimum capacitance specification is met. X7R and X5R type capacitors are recommended;
Y5V and Z5U capacitors are not recommended for use with any LDO.
Rev. G | Page 4 of 20
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