参数资料
| 型号： | MIC5281YMM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 25MA 8MSOP |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.27 V ~ 5.5 V |
| 输入电压： | 6 V ~ 120 V |
| 电压 - 压降（标准）： | 2V @ 25mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 25mA |
| 电流 - 限制（最小）： | 30mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 标准包装 |
| 其它名称： | 576-3909-6 |
ESD Ratings
Power Dissipation (P D ) ........................... Internally Limited
Micrel, Inc.
V IN to GND ................................................... –0.3V to +125V
V CPSRR to GND ..................................................–0.3 to +14V
V FB , V SNS , V OUT to GND ................................... –0.3V to +6V
Lead Temperature (soldering, 10s) .......................... +260°C
Junction Temperature ......................... –40°C ≤ T J ≤ +125°C
Storage Temperature .........................–65°C ≤ T A ≤ +150°C
HBM ......................................................................... 2kV
MIC5281
V IN ................................................................. +6V to +120V
V OUT Adjust Range ..................................... +1.27V to +5.5V
Junction Temperature ......................... –40°C ≤ T J ≤ +125°C
Junction Thermal Resistance ( θ JA )
8-pin ePad MSOP .............................................. 64°C/W
8-pin MSOP ..................................................... 160°C/W
MM ......................................................................... 200V
V IN = 12V, C IN = 1.0μF, C PSRR = 0.1μF, C OUT = 10μF, V OUT = 5.0V or 3.3V, I OUT = 100μA, T A = 25 ° C, bold values indicate
–40 ° C ≤ T J ≤ +125 ° C, unless noted.
Parameter
Condition
Min.
Typ.
Max.
Units
Power Supply Input
Input Voltage Range
6
120
V
Quiescent Supply Current
I OUT = 0
6
11
μA
Output Voltage
Adjustable
1.27
5.5
Output Voltage
Output Voltage Accuracy
Load Regulation
Fixed 3.3V
Fixed 5.0V
Variation from nominal V OUT
I OUT = 100μA to 25mA
3.2
3.13
4.85
4.75
? 3
? 5
? 1.0
3.3
3.3
5.0
5.0
0.2
3.4
3.47
5.15
5.25
+3
+5
+1.0
V
%
%
%
Line Regulation
V IN = 10V to 120V
? 0.5
0.04
+0.5
%
Feedback Input (Adjustable)
FB Voltage
FB Current
V FB = 1.27V
1.232
1.206
1.270
1.270
3.2
1.308
1.333
V
nA
Current Limit
Current Limit
V OUT = 0V
30
65
130
mA
Ripple Rejection
Power Supply Rejection Ratio
f = 20kHz to 2MHz
90
dB
Notes:
1. Exceeding an absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. The maximum allowable power dissipation at any T A (ambient temperature) is P D(max) = (T J(max) – T A ) / θ JA . Exceeding the maximum allowable power
dissipation results in excessive die temperature, and causes the regulator to enter thermal shutdown.
4. Devices are ESD sensitive; use proper handling precautions. Human body model, 1.5k ? in series with 100pF.
5. Specifications are for packaged products only.
6. Assure that V IN ≥ (V OUT + 3V) and V IN ≥ 6V.
7. Line regulation is a percentage of V OUT .
July 23, 2013
4
Revision 2.0
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