MIC5320-OGYD6 datasheet(11/13 Pages) MICREL

Part #	MIC5320-OGYD6

Description	Dual, High Performance 150mA uCap ULDO

Download	13 Pages

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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11 / 13 page

Micrel, Inc.

MIC5320

July 2006

11

M9999-073106

For example, when operating the MIC5320-MFYML at

an input voltage of 3.3V and 150mA loads at each

output with a minimum footprint layout, the maximum

ambient operating temperature TA can be determined

as follows:

0.345W = (125°C – TA)/(100°C/W)

TA=90.5°C

Therefore, a 2.8V/1.5V application with 150mA at

each output current can accept an ambient operating

temperature of 90.5°C in a 1.6mm x 1.6mm 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

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