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参数资料
| 型号： | ADP1755-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL 1.2V SET ADP1755 |
| 标准包装： | 1 |
| 每 IC 通道数： | 1 - 单 |
| 输出电压： | 0.75 ~ 3V |
| 电流 - 输出： | 1.2A |
| 输入电压： | 1.6 ~ 3.6V |
| 稳压器类型： | 正，可调式 |
| 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： | ADP1755 |
ADP1754/ADP1755
Data Sheet
Parameter
OUTPUT NOISE
Symbol
OUT NOISE
Test Conditions/Comments
10 Hz to 100 kHz, V OUT = 0.75 V
Min
Typ
23
Max
Unit
μV rms
10 Hz to 100 kHz, V OUT = 2.5 V
65
μV rms
POWER SUPPLY REJECTION RATIO
PSRR
V IN = V OUT + 1 V, I OUT = 10 mA
1 kHz, V OUT = 0.75 V
1 kHz, V OUT = 2.5 V
10 kHz, V OUT = 0.75 V
10 kHz, V OUT = 2.5 V
100 kHz, V OUT = 0.75 V
100 kHz, V OUT = 2.5 V
65
56
65
56
54
51
dB
dB
dB
dB
dB
dB
1
2
3
4
5
6
Minimum output load current is 500 μA.
Accuracy when VOUT is connected directly to ADJ. When VOUT voltage is set by external feedback resistors, absolute accuracy in adjust mode depends on the
tolerances of resistors used.
Based on an end-point calculation using 10 mA and 1.2 A loads. See Figure 6 for typical load regulation performance.
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 to output voltages
above 1.6 V.
Start-up time is defined as the time between the rising edge of EN to V OUT being at 95% 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 1.0 V
output voltage is defined as the current that causes the output voltage to drop to 90% of 1.0 V, or 0.9 V.
INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS
Table 2.
Parameter
MINIMUM INPUT AND OUTPUT CAPACITANCE 1
CAPACITOR ESR
Symbol
C MIN
R ESR
Test Conditions/Comments
T A = ?40°C to +125°C
T A = ?40°C to +125°C
Min
3.3
0.001
Typ
Max
0.1
Unit
μF
?
1
The minimum input and output capacitance should be greater than 3.3 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 this LDO.
Rev. F | Page 4 of 20
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