参数资料
型号: MIC37139-1.8BS TR
厂商: Micrel Inc
文件页数: 3/10页
文件大小: 0K
描述: IC REG LDO 2.8V 1.5A SOT-223
标准包装: 2,500
稳压器拓扑结构: 正,固定式
输出电压: 2.8V
输入电压: 最高 6V
稳压器数量: 1
电流 - 输出: 1.5A(最小)
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-261-4,TO-261AA
供应商设备封装: SOT-223
包装: 带卷 (TR)
其它名称: MIC37139-1.8BSTR
MIC37139-1.8BSTR-ND
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) ......................................................6.5V
Enable Input Voltage (V EN )............................................6.5V
Power Dissipation .....................................Internally Limited
Junction Temperature (T J ) ..................–40°C ≤ T J ≤ +125°C
Lead Temperature (soldering, 5 sec.)........................ 260°C
Storage Temperature (T s ) ...................–65°C ≤ T J ≤ +150°C
ESD Rating (3)
MIC37139
Operating Ratings (2)
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
Maximum Power Dissipation (4)
Package Thermal Resistance
SOT-223 ( θ JC ) ....................................................50°C/W
Electrical Characteristics (5)
T A = 25°C with V IN = V OUT + 1V; V EN = V IN ; bold values indicate –40°C< T J < +125°C, unless noted.
Parameter
Output Voltage Accuracy
Output Voltage Line Regulation
Output Voltage Load Regulation
VIN – VOUT; Dropout Voltage (6)
Condition
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 to 1.5A
I L = 750mA
Min
–1
–2
Typ
0.06
0.2
Max
+1
+2
0.5
1
350
Units
%
%
%
%
mV
I L = 1.5A
500
mV
Ground Pin Current
(7)
I L = 1.5A
17
30
mA
Ground Pin Current in Shutdown
V IL ≤ 0.5V, V IN = V OUT + 1V
1.0
μA
Current Limit
V OUT = 0
2.25
4
A
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended.
4. P D(max) = (T J(max) – T A ) ÷ θ JA , where θ JA , depends upon the printed circuit layout. See “Applications Information.”
5. Specification for packaged product only.
6. V DO = V IN – V OUT when V OUT decreased to 98% of its nominal output voltage with V IN = V OUT +1V. For output voltages below 1.75V, dropout voltage
specification does not apply due to a minimum input operating voltage of 2.25V.
7. I GND is the quiescent current. I IN = I GND + I OUT .
November 2009
3
M9999-110209
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