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参数资料
| 型号： | SPX3819M5-L-1-8 |
| 厂商： | Exar Corporation |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V .5A SOT23-5 |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.8V |
| 输入电压： | 2.5 V ~ 16 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 散装 |
| 其它名称： | 1016-1411 |
S P X 3 8 1 9
5 0 0 m A L o w - N o i s e L D O V o l t a g e R e g u l a t o r
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of
the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect
reliability.
V IN , EN ..................................................... -20V to +20V
Power Dissipation ................................ Internally Limited
Lead Temperature (Soldering, 5 sec) ..................... 260°C
ESD Rating (HBM - Human Body Model) .................... 2kV
OPERATING RATINGS
Input Voltage Range V IN ................................ 2.5V to 16V
Enable Pin EN ............................................... 0.0V to V IN
Junction Temperature Range ................. -40°C to +125°C
Thermal Resistance 1 .....................................................
θ JA (SOT23-5)...............................................191°C/W
θ JA (NSOIC-8)............................................ 128.4°C/W
θ JA (DFN-8) ................................................... 59°C/W
Note 1: The maximum allowable power dissipation is a
function of maximum operating junction temperature,
T J(max) the junction to ambient thermal resistance, and the
ambient θ JA , and the ambient temperature T A . The
maximum allowable power dissipation at any ambient
temperature is given: P D(max) = (T J(max) -T A )/θ JA , exceeding
the maximum allowable power limit will result in excessive
die temperature; thus, the regulator will go into thermal
shutdown
ELECTRICAL SPECIFICATIONS
Specifications with standard type are for an Operating Junction Temperature of T J = 25°C only; limits applying over the full
Operating Junction Temperature range are denoted by a “?”. Minimum and Maximum limits are guaranteed through test,
design, or statistical correlation. Typical values represent the most likely parametric norm at T J = 25°C, and are provided for
reference purposes only. Unless otherwise indicated, V IN = V OUT + 1V (V IN = V OUT + 1.2V for 1.2V option), I L = 100μA, C L =
1μF, V EN ≥ 2.5V, T A = T J = 25°C.
Parameter
Output Voltage Tolerance
Min.
-1
-2
Typ.
Max.
+1
+2
Units
%
?
Conditions
Output Voltage Temperature
Coefficient
57
ppm/°C
0.04
0.1
V IN = V OUT +1 to 16V and V EN ≤ 6V
Line Regulation
0.2
0.2
%/V
?
V IN = V EN = V OUT +1 ≤ 8V
V IN = V EN = V OUT +1 ≤ 16V
T A = 25°C to 85°C
Load Regulation
0.05
10
0.4
60
80
%
?
I L = 0.1mA to 500mA
I L = 100μA
Dropout Voltage (V IN -V OUT )
2
125
180
175
250
350
450
mV
?
?
I L = 50mA
I L = 150mA
340
550
700
?
I L = 500mA
Quiescent Current (I GND )
Ground Pin Current (I GND )
0.05
90
250
1.0
6.5
3
8
150
190
650
900
2.0
2.5
25.0
30.0
μA
μA
mA
?
?
?
?
?
V ENABLE ≤ 0.4V
V ENABLE = 0.25V
I L = 100μA
I L = 50mA
I L = 150mA
I L = 500mA
Ripple Rejection (PSRR)
? 2012 Exar Corporation
70
2/12
dB
Rev. 2.0.0
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| SPX3819M5-L-1-8/TR | 功能描述:低压差稳压器 - LDO 500mA LOW NOISE LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| SPX3819M5-L-2-5 | 功能描述:低压差稳压器 - LDO 500mA Low Noise LDO Voltage Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| SPX3819M5-L-2-5/TR | 功能描述:低压差稳压器 - LDO 500mA LOW NOISE LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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| SPX3819M5-L-3-0/TR | 功能描述:低压差稳压器 - LDO 500mA LOW NOISE LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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