MC78T05CT ON Semiconductor, MC78T05CT Datasheet

MC78T05CT

Manufacturer Part Number

MC78T05CT

Description

IC REG VOLT POS 3A 5V TO220AB

Manufacturer

ON Semiconductor

Datasheet

1.MC78T05ABT.pdf (12 pages)

Specifications of MC78T05CT

Regulator Topology

Positive Fixed

Voltage - Output

Voltage - Input

Up to 35V

Voltage - Dropout (typical)

2.2V @ 3A

Number Of Regulators

Current - Output

Operating Temperature

0°C ~ 125°C

Mounting Type

Through Hole

Package / Case

TO-220-3 (Straight Leads)

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Current - Limit (min)

Other names

MC78T05CTOS

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circuits capable of driving loads in excess of 3.0 A.

three–terminal regulators employ internal current limiting, thermal

shutdown, and safe–area compensation. Devices are available with

improved specifications, including a 2% output voltage tolerance, on

AC–suffix 5.0, 12 and 15 V device types.

devices can be used with external components to obtain adjustable

voltages and currents. This series of devices can be used with a

series–pass transistor to supply up to 15 A at the nominal output

voltage.

January, 2002 – Rev. 3

This family of fixed voltage regulators are monolithic integrated

Although designed primarily as a fixed voltage regulator, these

Output Current in Excess of 3.0 A

Power Dissipation: 25 W

No External Components Required

Output Voltage Offered in 2% and 4% Tolerance*

Thermal Regulation is Specified

Internal Thermal Overload Protection

Internal Short Circuit Current Limiting

Output Transistor Safe–Area Compensation

Semiconductor Components Industries, LLC, 2002

Simplified Application

These

XX Indicates nominal voltage.

# Automotive temperature range selections are avail-

MC78TXXCT

MC78TXXACT

MC78TXXBT#

MC78TXXABT#

DEVICE TYPE/NOMINAL OUTPUT VOLTAGE

* 2% regulators available in 5, 12 and 15 V devices.

MC78T05

MC78T08

able with special test conditions and additional

tests. Contact your local ON Semiconductor sales

office for information.

Device

VOLTAGE REGULATORS

Heatsink surface is connected to Pin 2.

PLASTIC PACKAGE

ORDERING INFORMATION

CASE 221A

THREE–AMPERE

POSITIVE FIXED

T SUFFIX

SEMICONDUCTOR

TECHNICAL DATA

5.0 V

8.0 V

2%*

Tol.

Publication Order Number:

Temperature

MC78T12

MC78T15

Operating

+125 C

Range

= –40 to

= 0 to

MC78T00/D

Package

12 V

15 V

Plastic

Power

Related parts for MC78T05CT

MC78T05CT Summary of contents

Page 1

... MC78TXXCT 4% MC78TXXACT 2%* MC78TXXBT# 4% MC78TXXABT# 2%* XX Indicates nominal voltage regulators available and 15 V devices. # Automotive temperature range selections are avail- able with special test conditions and additional tests. Contact your local ON Semiconductor sales office for information MC78T12 12 V MC78T15 15 V Operating Temperature ...

Page 2

MAXIMUM RATINGS (T = +25 C, unless otherwise noted.) A Rating Input Voltage (5.0 V – Input Voltage (15 V) Power Dissipation and Thermal Characteristics Plastic Package (Note + Thermal Resistance, Junction–to–Air T ...

Page 3

ELECTRICAL CHARACTERISTICS Characteristics Output Voltage ( 2.0 A, 10.4 Vdc V 23 Vdc Line Regulation (Note 2) (10.3 Vdc ...

Page 4

ELECTRICAL CHARACTERISTICS Characteristics Output Voltage ( 2.0 A, 14.5 Vdc V 27 Vdc Line Regulation (Note 2) (14.5 Vdc ...

Page 5

ELECTRICAL CHARACTERISTICS Characteristics Output Voltage ( 2.0 A, 17.5 Vdc V 30 Vdc Line Regulation (Note 2) (17.6 Vdc ...

Page 6

VOLTAGE REGULATOR PERFORMANCE The performance of a voltage regulator is specified by its immunity to changes in load, input voltage, power dissipation, and temperature. Line and load regulation are tested with a pulse of short duration (< 100 s) and ...

Page 7

Figure 3. Temperature Stability Figure 5. Ripple Rejection versus Frequency Figure 7. Quiescent Current versus Input Voltage MC78T00 Series Figure 4. Output Impedance Figure 6. Ripple Rejection versus Output Current Figure 8. Quiescent Current versus Output Current http://onsemi.com 7 ...

Page 8

MC78T00 Series Figure 9. Dropout Voltage Figure 11. Line Transient Response Figure 13. Maximum Average Power Dissipation for MC78T00CT, ACT http://onsemi.com Figure 10. Peak Output Current Figure 12. Load Transient Response 8 ...

Page 9

Design Considerations The MC78T00 Series of fixed voltage regulators are designed with Thermal Overload Protection that shuts down the circuit when subjected to an excessive power overload condition, Internal Short Circuit Protection that limits the maximum current the circuit will ...

Page 10

PACKAGE DIMENSIONS MC78T00 Series T SUFFIX PLASTIC PACKAGE CASE 221A–09 ISSUE AA –T– http://onsemi.com 10 ...

Page 11

Notes MC78T00 Series http://onsemi.com 11 ...

Page 12

... Fax: 303–675–2176 or 800–344–3867 Toll Free USA/Canada Email: ONlit@hibbertco.com N. American Technical Support: 800–282–9855 Toll Free USA/Canada MC78T00 Series JAPAN: ON Semiconductor, Japan Customer Focus Center 4–32–1 Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan 141–0031 Phone: 81–3–5740–2700 Email: r14525@onsemi.com ON Semiconductor Website: http://onsemi ...

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