MCP1825-0802ESLASHEB datasheet(22/38 Pages) MICROCHIP

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MCP1825-0802E/EB 데이터시트(PDF) 22 Page - Microchip Technology

부품명	MCP1825-0802E/EB

상세설명	500 mA, Low Voltage, Low Quiescent Current LDO Regulator

PDF	38 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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22 / 38 page

MCP1825/MCP1825S

DS22056B-page 22

5.3.1.2

Junction Temperature Estimate

To estimate the internal junction temperature, the

calculated temperature rise is added to the ambient or

offset temperature. For this example, the worst-case

junction temperature is estimated below:

5.3.1.3

Maximum Package Power

Dissipation at 60°C Ambient

Temperature

From this table, you can see the difference in maximum

allowable power dissipation between the TO-220-5

package and the DDPAK-5 package.

TJ =TJRISE + TA(MAX)

TJ = 15.06°C + 60.0°C

TJ = 75.06°C

TO-220-5 (29.3°C/W R

θJA):

PD(MAX) = (125°C – 60°C) / 29.3°C/W

PD(MAX) = 2.218W

DDPAK-5 (31.2°C/Watt R

θJA):

PD(MAX) = (125°C – 60°C)/ 31.2°C/W

PD(MAX) = 2.083W

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