参数资料
| 型号： | MIC37302WU TR |
| 厂商： | Micrel Inc |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 3A TO-263-5 |
| 标准包装： | 750 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.24 V ~ 5.5 V |
| 输入电压： | 最高 6V |
| 电压 - 压降（标准）： | 0.3V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | TO-263-5 |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC37302WUTR MIC37302WUTR-ND |
Enable Input Voltage (V EN ) ......................................... 6.5V
Power Dissipation (P D ) ........................... Internally Limited
ESD Rating .................................................................. 2kV
Micrel, Inc.
Supply Voltage (V IN ) ...................................................... 6.5V
Junction Temperature (T J ) ..................–40°C ≤ T J ≤ +125°C
Storage Temperature (T S ) ...................–65°C ≤ T J ≤ +150°C
Lead Temperature (soldering, 10s) ............................ 260°C
MIC37300/01/02/03
Supply Voltage (V IN ) ................................ 2.25V to 6.0V
Enable Input Voltage (V EN ) ........................... 0V to 6.0V
Junction Temperature (T J ) ........... –40°C ≤ T J ≤ +125°C
Package Thermal Resistance
S-Pak ( θ JC ) ................................................5.5°C/W
TO-263-5 ( θ JC ) ..........................................6.3°C/W
ePad SOIC-8 ( θ JC ) .....................................16°C/W
3mm × 3mm DFN ( θ JC ) ..............................29°C/W
T A = 25°C with V IN = V OUT + 1V; V EN = V IN ; I L = 10mA; bold values indicate –40°C < T J < +125°C, unless noted.
Parameter
Condition
Min.
Typ.
Max.
Units
Output Voltage Accuracy
Output Voltage Line Regulation
Output Voltage Load Regulation
I L = 10mA
10mA < I OUT < I L(max) , V OUT + 1 ≤ V IN ≤ 6V
V IN = V OUT + 1.0V to 6.0V; I L = 10mA
I L = 10mA to 3A
-1
-2
0.02
0.2
+1
+2
0.5
1
%
%
%
%
V IN – V OUT Dropout Voltage
I L = 1.5A
(ePad SOIC-8)
I L = 3A
(ePad SOIC-8)
175
300
350
400
500
550
mV
mV
Ground Pin Current
I L = 3A
27
40
50
mA
mA
Ground Pin Current in Shutdown
Current Limit
Start-Up Time
V IL ≤ 0.5V, V IN = V OUT +1V
V OUT = 0V
V EN = V iN , I OUT = 10mA, C OUT = 47μF
1.0
4.75
170
5
6.5
500
μA
A
μs
Notes:
2. Exceeding the absolute maximum rating may damage the device.
3. The device is not guaranteed to function outside its operating rating.
4. P D(max) = (T J(max) – T A ) / θ JA , where θ JA , depends upon the printed circuit layout. See “Applicatins Information.”
5. Devices are ESD sensitive. Handling precautions recommended.
6. Specification for packaged product only.
7. V DO = V IN – V OUT when V OUT decreases to 98% of its nominal output voltage with V IN = V OUT + 1V. For output voltages below 1.75, dropout voltage
specification does not apply due to a minimum input operating voltage of 2.25V.
8. I GND is the quiescent current. I IN = I GND + I OUT .
March 25, 2014
4
Revision 1.1
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