MIC5338-M4YMT 查看數據表（PDF） - Micrel

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MIC5338-M4YMT

Dual 300mA µCap LDO in 1.6mm x 1.6mm Thin MLF®

Micrel 

Micrel, Inc.

For example, when operating a 3.3V/2.8V application

with an input voltage of 3.6V and 300mA at each output

with a minimum footprint layout, the maximum ambient

operating temperature TA can be determined as follows:

0.33W = (125°C – TA)/(92.4°C/W)

TA = 94.5°C

MIC5338/9

Therefore, a MIC5338-SMYMT application with 300mA

at each output current can accept an ambient operating

temperature of 94.5°C in a 1.6mm x 1.6mm Thin MLF®

package. 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

June 2010

9

M9999-063010-A

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