参数资料
型号: MIC5313-FCYMT TR
厂商: Micrel Inc
文件页数: 9/12页
文件大小: 0K
描述: IC REG LDO 1.5V/1V .3A 10-TMLF
标准包装: 1
稳压器拓扑结构: 正,固定式
输出电压: 1.5V,1V
输入电压: 1.7 V ~ 5.5 V
电压 - 压降(标准): 0.085V @ 300mA
稳压器数量: 2
电流 - 输出: 300mA
电流 - 限制(最小): 350mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-UFDFN,10-TMLF?
供应商设备封装: 10-TMLF?(2x2)
包装: 标准包装
产品目录页面: 1102 (CN2011-ZH PDF)
其它名称: 576-3132-6
P D(MAX) = ?
θ JA
?
?
Micrel, Inc.
To determine the maximum ambient operating
temperature of the package, use the junction-to-ambient
thermal resistance of the device and the following basic
equation:
?
? T J(MAX) ? T A ?
? ?
T J(max) = 125°C, the maximum junction temperature of
the die. The junction-to-ambient thermal resistance for
the minimum footprint, is θ JA = 80°C/W.
Substituting P D for P D(max) and solving for the ambient
operating temperature will give the maximum operating
conditions for the regulator circuit.
The maximum power dissipation must not be exceeded
for proper operation.
MIC5313
For example, when operating the MIC5313-FCYMT at
an input voltage of 1.8V and 300mA, loads at each
output with a minimum footprint layout, the maximum
ambient operating temperature T A can be determined as
follows:
0.33W = (125°C – T A )/(80°C/W)
T A = 98.6°C
For a full discussion of heat sinking and thermal effects
on voltage regulators, refer to the “Regulator Thermals”
section of Micrel’s Designing with Low-Dropout Voltage
Regulators handbook. This information can be found on
Micrel's website at:
http://www.micrel.com/_PDF/other/LDOBk_ds.pdf
July 2008
9
M9999-070208-A
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