MC78T05 Fairchild, MC78T05 Datasheet

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MC78T05

Manufacturer Part Number
MC78T05
Description
3-Terminal 3A Positive Voltage Regulator
Manufacturer
Fairchild
Datasheet

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Features
• Output Current in Excess of 3.0A
• Output Transistor Safe Operating Area Compensation
• Power Dissipation :25W
• Internal Short Circuit Current Limiting
• Internal Thermal Overload Protection
• Output Voltage Offered in 4% Tolerance
• No External Components Required
• Output Voltage of 5,12 and 15V
Internal Block Diagram
©2002 Fairchild Semiconductor Corporation
MC78TXX
3-Terminal 3A Positive Voltage Regulator
INPUT
1
STARTING
CIRCUIT
CURRENT
GENERATOR
REFERENCE
VOLTAGE
ERROR
AMPLIFIER
Description
This family of fixed voltage regulators are monolithic
integrated circuit capable of driving loads in excess of 3.0 A.
1.Input 2. GND 3. Output
TO-220
1
SOA
PROTECTION
THERMAL
PROTECTION
GND
SERIES
PASS
ELEMENT
www.fairchildsemi.com
OUTPUT
GND
Rev. 1.0.1
2
3

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MC78T05 Summary of contents

Page 1

... Output Voltage of 5,12 and 15V Internal Block Diagram INPUT 1 CURRENT GENERATOR REFERENCE STARTING VOLTAGE CIRCUIT ©2002 Fairchild Semiconductor Corporation www.fairchildsemi.com Description This family of fixed voltage regulators are monolithic integrated circuit capable of driving loads in excess of 3.0 A. TO-220 GND 1 1.Input 2. GND 3. Output SERIES ...

Page 2

... Thermal Resistance, Junction to Air (Note1 +25 C Thermal Resistance, Junction to Case (Note1 +25 C Operating Junction Temperature Range Storage Temperature Range Note: 1. Thermal resistance test board Size: 76.2mm * 114.3mm * 1.6mm(1S0P) JEDEC standard: JESD51-3, JESD51-7 2. Assume no ambient airflow. Electrical Characteristics(MC78T05 10V 3 +125 Parameter Symbol ...

Page 3

Electrical Characteristics(MC78T12 19V 3 +125 Parameter Symbol Output Voltage Vo Line Regulation (Note2) V Load Regulation (Note2) V Thermal Regulation REG Quiescent Current Quiescent ...

Page 4

MC78TXX Electrical Characteristics(MC78T15 23V 3 +125 Parameter Symbol Output Voltage Vo Line Regulation (Note2) Load Regulation (Note2) Thermal Regulation REG Quiescent Current Quiescent Current Change Ripple Rejection ...

Page 5

Typical Application INPUT Note specify an output voltage, substitute voltage value for “XX”. 2. Bypass Capacitors are recommend for optimum stability and transient response and should be located as close as possible to the regulator 1 3 MC78TXX ...

Page 6

MC78TXX Mechanical Dimensions Package 9.90 0.20 (8.70) ø3.60 0.10 1.27 0.10 2.54TYP [2.54 ] 0.20 10.00 0.20 6 Dimensions in millimeters TO-220 1.52 0.10 0.80 0.10 +0.10 0.50 –0.05 2.54TYP [2.54 ] 0.20 4.50 0.20 +0.10 1.30 –0.05 2.40 0.20 ...

Page 7

... Ordering Information Product Number MC78T05CT MC78T12CT MC78T15CT Package Operating Temperature TO-220 0 ~ +125 C MC78TXX 7 ...

Page 8

... DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1 ...

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