SN78M12D datasheet(3/18 Pages) KODENSHI

Part #	SN78M12D

Description	3 Terminal 0.5A Positive Voltage Regulator

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Manufacturer	KODENSHI [KODENSHI_AUK CORP.]

Direct Link	http://www.kodenshi.co.kr

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3 / 18 page

KSD-I0O013-000

3

December, 2010 REV. 00

Parameter

Symbol

Limits

Unit

TO-220F-3L

TO-252-3L

Input Voltage

VIN

40.0 (for VO=24V)

V

35.0 (for VO=5 to 18V)

Power Dissipation

Pd

2.0

1.3

W

Thermal Resistance Junction to Case

RΘJC

5

°C/W

Thermal Resistance Junction to Air

RΘJA

65

92

°C/W

Junction Temperature

TJ

150

℃

Operate Temperature Range

Topr

-40 ~ +125

℃

Storage Temperature Range

Tstg

-55 ~ +150

℃

Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical

specifications do not apply when operating the device outside of its operating ratings. The maximum

allowable power dissipation is a function of the maximum junction temperature, TJ(max) ,

the junction-to-ambient thermal resistance, θJA, and the ambient temperature, TA.

The maximum allowable power dissipation at any ambient temperature is calculated using:

PD(max) = (TJ(max) – TA) ÷ θJA. Exceeding the maximum allowable power dissipation will result in

excessive die temperature, and the regulator will go into thermal shutdown.

◈

Absolute Maximum Ratings ( Ta = 25℃ )

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SN78M12D Datasheet(PDF) 3 Page - KODENSHI_AUK CORP.

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