Order this document by MCT7800/D

MCT7800

Series

THREE-TERMINAL

POSITIVE FIXED

VOLTAGE REGULATORS

Pin 1. Input

2. Ground

3. Output

STANDARD APPLICATION

A common ground is required between the

input and the output voltages. The input voltage

must remain typically 2.0 V above the output

voltage even during the low point on the input

ripple voltage.

XX, these two digits of the type number indicate

nominal voltage.

appreciable distance from power supply filter.

** Some CO is recommended for stability; it does

improve transient response. Values less than

0.1

µF could cause instability.

MCT78XX

Input

Cin*

0.33

µF

CO**

Output

T SUFFIX

PLASTIC PACKAGE

CASE 221A

Heatsink surface

connected to Pin 2.

D2T SUFFIX

PLASTIC PACKAGE

CASE 936

(D2PAK)

3

1

2

3

1

2

Heatsink surface (shown as terminal 4 in

case outline drawing) is connected to Pin 2.

1

MCT7800

MOTOROLA

ThreeTerminal Positive

Voltage Regulators

These voltage regulators are monolithic integrated circuits designed as

fixed-voltage regulators for a wide variety of applications including local,

on-card regulation. These regulators employ internal current limiting,

thermal shutdown, and safe-area compensation. With adequate heatsinking

they can deliver output currents in excess of 1.0 A. Although designed

primarily as fixed voltage regulators, these devices can be used with

external components to obtain adjustable voltages and currents.

Packages

This MCT-prefixed device is intended to be a possible replacement for the similar

device with the MC-prefix. Because the MCT device originates from different source

material, there may be subtle differences in typical parameter values or

characteristic curves. Due to the diversity of potential applications, Motorola can not

assure identical performance in all circuits. Motorola recommends that the

customer qualify the MCT-prefixed device in each potential application.

DEVICE TYPE/NOMINAL OUTPUT VOLTAGE

MCT7805

MCT7806

MCT7808

MCT7809

5.0 V

6.0 V

8.0 V

9.0 V

MCT7812

MCT7815

MCT7818

MCT7824

12 V

15 V

18 V

24 V

ORDERING INFORMATION

Device

Output Voltage

Tolerance

Tested Operating

Temperature Range

Package

MCT78XXBD2T

4%

TJ = – 40° to +125°C

Surface Mount

MCT78XXBT

4%

TJ = – 40° to +125°C

Insertion Mount

MCT78XXCD2T

4%

TJ = 0° to +125°C

Surface Mount

MCT78XXCT

TJ = 0° to +125°C

Insertion Mount

XX indicates nominal voltage.

© Motorola, Inc. 1994

Rev 3