MC78T12ACT

更新时间： 2024-11-25 22:54:51

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器调节器输出元件局域网
页数	文件大小	规格书
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描述
THREE-AMPERE POSITIVE FIXED VOLTAGE REGULATORS

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MC78T12ACT 数据手册

Order this document by MC78T00/D

This family of fixed voltage regulators are monolithic integrated circuits

capable of driving loads in excess of 3.0 A. These 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.

Although designed primarily as a fixed voltage regulator, these 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.

THREE–AMPERE

POSITIVE FIXED

VOLTAGE REGULATORS

SEMICONDUCTOR

TECHNICAL DATA

• 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

T SUFFIX

PLASTIC PACKAGE

CASE 221A

Pin 1. Input

2. Ground

3. Output

MAXIMUM RATINGS (T = +25°C, unless otherwise noted.)

Rating

Symbol

Value

Unit

Input Voltage (5.0 V – 12 V)

Input Voltage (15 V)

Vdc

Heatsink surface is connected to Pin 2.

Power Dissipation and Thermal Characteristics

Plastic Package (Note 1)

= +25°C

InternallyLimited

Thermal Resistance, Junction–to–Air

= +25°C

InternallyLimited

2.5

°C/W

θJA

Thermal Resistance, Junction–to–Case

°C/W

°C

θJC

Storage Junction Temperature

stg

+150

Operating Junction Temperature Range

(MC78T00C, AC)

0 to +125

°C

DEVICE TYPE/NOMINAL OUTPUT VOLTAGE

MC78T05

MC78T08

5.0 V

8.0 V

MC78T12

MC78T15

12 V

15 V

NOTES: 1. Although power dissipation is internally limited, specifications apply only

for P ≤ P , P = 25 W.

max max

ORDERING INFORMATION

Operating

Simplified Application

Temperature

Range

Tol.

Device

Package

MC78TXX

Output

Input

T = 0° to

+125°C

Plastic

Power

MC78TXXCT

MC78TXXACT

2%*

0.33µF

C **

T = –40° to

+125°C

Plastic

Power

MC78TXXBT#

MC78TXXABT# 2%*

XX Indicates nominal voltage.

A common ground is required between the input and the output voltages. The input voltage must

remain typically 2.2 V above the output voltage even during the low point on the input ripple voltage.

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

XX these two digits of the type number indicate voltage.

# Automotive temperature range selections are avail-

able with special test conditions and additional

tests. Contact your local Motorola sales office for

information.

** C is required if regulator is located an appreciable distance from power supply filter.

** (See Applications Information for details.)

** C is not needed for stability; however, it does improve transient response.

Motorola, Inc. 1996

Rev 1

MOTOROLA ANALOG IC DEVICE DATA

12 3 4 5 6 7...12

中文翻译

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MC78T12ACT 替代型号

型号	品牌	替代类型	描述	数据表
MC78T12BT	ONSEMI	功能相似	THREE-AMPERE POSITIVE FIXED VOLTAGE REGULATORS
KA78T12	FAIRCHILD	功能相似	3-Terminal 3A Positive Voltage Regulator

与MC78T12ACT相关器件

型号	品牌	获取价格	描述	数据表
MC78T12ACTG	ONSEMI	获取价格	IC VREG 12 V FIXED POSITIVE REGULATOR, PSFM3, TO-220, 3 PIN, Fixed Positive Single Output
MC78T12ACTS	MOTOROLA	获取价格	Regulator, 1 Output, BIPolar,
MC78T12AKD	MOTOROLA	获取价格	IC,VOLT REGULATOR,FIXED,+12V,BIPOLAR,TO-204/-3,3PIN,METAL
MC78T12AKS	MOTOROLA	获取价格	Regulator, 1 Output, BIPolar,
MC78T12BT	MOTOROLA	获取价格	THREE-AMPERE POSITIVE FIXED VOLTAGE REGULATORS
MC78T12BT	ONSEMI	获取价格	THREE-AMPERE POSITIVE FIXED VOLTAGE REGULATORS
MC78T12BTG	ONSEMI	获取价格	IC VREG 12 V FIXED POSITIVE REGULATOR, PSFM3, TO-220, 3 PIN, Fixed Positive Single Output
MC78T12C	ONSEMI	获取价格	THREE-AMPERE POSITIVE FIXED VOLTAGE REGULATORS
MC78T12CK	MOTOROLA	获取价格	12V FIXED POSITIVE REGULATOR, MBFM2, METAL CAN, TO-3, 2 PIN
MC78T12CKD	MOTOROLA	获取价格	暂无描述

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