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参数资料
| 型号： | MIC37110-1.8YM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 17/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V 1A 8SOIC |
| 特色产品： | MIC37110/112 and MIC37120/122 LDOs |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.8V |
| 输入电压： | 2.375 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.23V @ 1A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A |
| 电流 - 限制（最小）： | 1.2A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
to operate this application at a ΔT of 75°C is 160mm .
is 160mm .
Micrel, Inc.
If we use a 2.5V output device and a 3.3V input at an
output current of 1A, then our power dissipation is as
follows:
P D = (3.3V – 2.5V) × 1A + 3.3V × 11mA
P D = 800mW + 36mW
P D = 836mW
From Figure 4, the minimum amount of copper required
2
Quick Method
Determine the power dissipation requirements for the
design along with the maximum ambient temperature at
which the device will be operated. Refer to Figure 5,
which shows safe operating curves for three different
ambient temperatures: 25°C, 50°C and 85°C. From
these curves, the minimum amount of copper can be
determined by knowing the maximum power dissipation
required. If the maximum ambient temperature is 50°C
and the power dissipation is as above, 836mW, the
curve in Figure 5 shows that the required area of copper
2
MIC37110/MIC37112
MIC37120/MIC37122
The θ JA of this package is ideally 63°C/W, but it will vary
depending upon the availability of copper ground plane
to which it is attached.
Figure 5. Copper Area vs. Power-SOIC Power Dissipation
December 2012
17
M9999-121312-A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC37112YM | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High-Performance, Low-Noise, 1A LDOs |
| MIC37112YM TR | 功能描述:低压差稳压器 - LDO High Performance, Low Noise 1A 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 |
| MIC37112YMT | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High-Performance, Low-Noise, 1A LDOs |
| MIC37112YMT TR | 功能描述:低压差稳压器 - LDO High Performance, Low Noise 1A 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 |
| MIC37112YMTR | 制造商:Micrel 功能描述:LDO Regulator 1A Adj. 2% Low Noise SOIC8 |
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