MC7812CT
Three-Terminal
Positive Voltage
Regulators
Features
Parameter Symbol Value Unit
Input Voltage V1 30 V
Operating Ambient Temperature PD 15 W
Operating Junction Temperature TOPR -20---+75 oC
Storage Temperature Range TSTG -55---+125 oC
Electrical Characteristics (Vi=19V, Io=500mA, O oC<Tj<125 oC,
Ci=0.33uF, Co=0.1uF, Unless Otherwise Specified)
Parameter Sym Min Typ Max Test conditions
11.76V 12V 12.24V Tj=25oC
Output
Voltage V011.66V 12.34V 14.5VЉV1Љ30V,
5mAЉIOЉ1.0A,
PD=15W
12mV 240mV 5mAЉIOЉ1.5A,
Tj=25oC,Load
Regulation ϦVo 4.0mV 120mV 250mAЉIOЉ750mA,
Tj=25oC
Line
regulation ϦVo 10mV
3.0mV
240mV
120mV
14.5VЉV1Љ30V,
Tj=25oC
16VЉV1Љ22V,
Tj=25oC
Quiescent
Current Iq 4.3mA 8.0mA Tj=25oC, IO=0
Quiescent
Current
Change ϦIq1.0mA
0.5mA 14.5VЉV1Љ30V
5mAЉIoЉ1.0A
Output Noise
Voltage VN 75μV10HzЉfЉ100KHz
Tj=25oC
Ripple
Rejection RR 55dB 71dB f=120Hz
Dropout
Voltage Vd 2.0V IO=1.0A, Tj=25oC
Output Short
Circuit
Current RO 18mohm f=1.0KHz
Output Short
Circuit
Current IOS 350mA Tj=25oC
Peak Output
Current Iopeak 2.2A Tj=25oC
Temperature
Coefficient of
Output
voltage
ϦVO/
ϦTj 1.0mV/ oC0 oCЉTjЉ125 oC,
IO=5mA
omponents
20736 Marilla Street Chatsworth
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MCC
 INCHES MM
     
A .560 .625 14.22 15.88
B .380 .420 9.65 10.67
C .100 .135 2.54 3.43
D .230 .270 5.84 6.86
E .380 .420 9.65 10.67
F ------ .250 ------ 6.35
G .500 .580 12.70 14.73
H .090 .110 2.29 2.79
I .020 .045 0.51 1.14
J .012 .025 0.30 0.64
K .139 .161 3.53 4.09
L .140 .190 3.56 4.83
M .045 .055 1.14 1.40
N .080 .115 2.03 2.92

A
B
C
K
J
I
H
G
F
E
D
N
M
L
H
TO-220
PIN
PIN 1. INPUT
PIN 2. GND
123
PIN 3. OUTPUT
Revision: 3 2008/01/01
TM
Micro Commercial Components
Output current in excess of 1.0 Ampere
No external components required
Internal thermal overload protection
Internal short-circuit current limiting
Output voltage offered in 2% tolerance
Maximum Ratings @ TA=25OC, Unless Otherwise Noted
x Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
www.mccsemi.com
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MC7812CT MCC
Representation Schematic Diagram
Revision: 3 2008/01/01
TM
Micro Commercial Components
www.mccsemi.com
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Revision: 3 2008/01/01
www.mccsemi.com
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***APPLICATIONS DISCLAIMER***
***IMPORTANT NOTICE***
Aerospace or Military Applications.
Products offer by Micro Commercial Components Corp .are not intended for use in Medical,
Micro Commercial Components Corp . reserves the right to make changes without further notice to any
product herein to make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components Corp .does not assume any liability arising out of the application or
use of any product described herein; neither does it convey any license under its patent rights ,nor
the rights of others . The user of products in such applications shall assume all risks of such use
and will agree to hold Micro Commercial Components Corp .and all the companies whose
Ordering Information
Device Packing
(Part Number)-BP Bulk;1Kpcs/Box
MCC TM
Micro Commercial Components
4