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参数资料
| 型号： | ADP151AUJZ-2.8-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.8V .2A 5TSOT |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.8V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.15V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 200mA（最小值） |
| 电流 - 限制（最小）： | 220mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 其它名称： | ADP151AUJZ-2.8-R7DKR |
ADP151
Data Sheet
Parameter
START-UP TIME 3
CURRENT-LIMIT THRESHOLD 4
Symbol
t START-UP
I LIMIT
Conditions
V OUT = 3.3 V
T J = 0°C to +125°C
Min
220
Typ
180
300
Max
400
Unit
μs
mA
UNDERVOLTAGE LOCKOUT
T J = ?40°C to +125°C
Input Voltage Rising
Input Voltage Falling
Hysteresis
UVLO RISE
UVLO FALL
UVLO HYS
1.28
120
1.96
V
V
mV
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
TS SD
TS SD-HYS
T J rising
150
15
° C
° C
EN INPUT
EN Input Logic High
EN Input Logic Low
EN Input Pull-Down Resistance
OUTPUT NOISE
V IH
V IL
R EN
OUT NOISE
2.2 V ≤ V IN ≤ 5.5 V
2.2 V ≤ V IN ≤ 5.5 V
V IN = V EN = 5.5 V
10 Hz to 100 kHz, V IN = 5 V, V OUT = 3.3 V
10 Hz to 100 kHz, V IN = 5 V, V OUT = 2.5 V
10 Hz to 100 kHz, V IN = 5 V, V OUT = 1.1 V
1.2
2.6
9
9
9
0.4
V
V
MΩ
μV rms
μV rms
μV rms
POWER SUPPLY REJECTION RATIO
PSRR
V IN = V OUT + 0.5 V
V IN = V OUT + 1 V
10 kHz, V IN = 3.8 V, V OUT = 3.3 V, I OUT = 10 mA
100 kHz, V IN = 3.8 V, V OUT = 3.3 V, I OUT = 10 mA
10 kHz, V IN = 4.3 V, V OUT = 3.3 V, I OUT = 10 mA
100 kHz, V IN = 4.3 V, V OUT = 3.3 V, I OUT = 10 mA
10 kHz, V IN = 2.2 V, V OUT = 1.1 V, I OUT = 10 mA
100 kHz, V IN = 2.2 V, V OUT = 1.1 V, I OUT = 10 mA
70
55
70
55
70
55
dB
dB
dB
dB
dB
dB
1
2
3
4
Based on an end-point calculation using 0.1 mA and 200 mA loads. See Figure 8 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 2.2 V.
Start-up time is defined as the time between the rising edge of EN and V OUT 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 (that is, 2.7 V).
INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS
Table 2.
Parameter
Minimum Input and Output
Symbol
C MIN
Conditions
T A = ?40°C to +125°C
Min
0.7
Typ
Max
Unit
μF
Capacitance 1
Capacitor ESR
R ESR
T A = ?40°C to +125°C
0.001
0.2
Ω
1
The minimum input and output capacitance should be greater than 0.7 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. E | Page 4 of 24
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