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78M08

Three Terminal Medium Current Positive Voltage Regulators

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CYStech Electronics Corp.

Spec. No. : C520J3

Issued Date : 2007.10.23

Revised Date :2011.10.31

Page No. : 1/12

Three Terminal Medium Current Positive

Voltage Regulators

LM78MXXJ3

TO-252AB

TO-252AA

Description

I GO

I GO

The LM78MXXJ3 series of three-terminal positive regulators are

available in the TO-252 package and with 5V, 6V, 8V, 9V, 12V, 15V,

18V and 24V fixed output voltages, making them useful in a wide range of applications. These

regulators can provide local on-card regulation, eliminating the distribution problems associated with

single point regulation. Each type employs internal current-limiting ,thermal shut-down and safe operating

area protection, making them essentially indestructible. If adequate heat sinking is provided, they can

deliver over 500mA output current. Although designed primarily as fixed voltage regulators, these devices can

be used with external components to obtain adjustable voltages and currents.

Absolute Maximum Ratings (Ta=25°C)

Parameter

Ratings

Unit

Input Voltage

35

V

Operating Temperature Range

-40 ~ +125

℃

Output Current

Storage Temperature Range

500

mA

-65 ~ +150

℃

Total Power Dissipation

1.0 (Note)

W

Note : Reduced by 8mW for each increase in Ta of 1℃ over 25℃(without heat sink)

Typical Application

VPinL78M05

LM78MXX

1

2

C1

Vout

3

C2

Note:

C1 and C2 are required if regulator is

located far from power supply filter

and load, or oscillation may induced

on the loop.

LM78MXXJ3

CYStek Product Specification

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