MC7912CT
Three-Terminal
Negative Voltage
Regulators
Features
Maximum Ratings @ TA=25OC, Unless Otherwise Noted
Parameter Symbol Value Unit
Input Voltage Vi-35 V
Operating Ambient Temperature PD 15 W
Operating Junction Temperature TOPR 0---+150 oC
Storage Temperature Range TSTG -55---+150 oC
omponents
20736 Marilla Street Chatsworth
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MCC
Revision: 3 2008/01/01
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. GND
PIN 2. INPUT
12 3
PIN 3. OUTPUT
TM
Micro Commercial Components
x Output current in excess of 1.0 Ampere
x No external components required
x Internal thermal overload protection
x Internal short-circuit current limiting
x Output voltage offered in 2% tolerance
x Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
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MC7912CT
Electrical Characteristics (Vi=19V, Io=500mA, O oC<Tj<125 oC, Ci=2.0uF, Co=1.0uF, Unless Otherwise Specified)
Parameter Sym Min Typ Max Test conditions
-11.76V -12V -12.24V Tj=25oC
Output Voltage V0-11.66V -12.34V -14.5VЉV1Љ-27V,
5mAЉIOЉ1.0A,
PD=15W
12mV 240mV
5.0mAЉIOЉ1.5A, Tj=25oC,
Load Regulation ϦVo4.0mV 120mV
250mAЉIOЉ750mA, Tj=25oC
Line regulation ϦVo10mV
3.0mV 240mV
120mV -14.5VЉV1Љ-30V, Tj=25oC
-16VЉV1Љ-22V, Tj=25oC
Quiescent Current Iq2.5mA 5.0mA Tj=25oC, IO=0
Quiescent Current
Change ϦIq1.0mA
0.5mA -14.5VЉV1Љ-30V
5mAЉIoЉ1.0A
Output Noise Voltage VN75μV10HzЉfЉ100KHz Tj=25oC
Ripple Rejection RR 55dB 70dB f=120Hz
Dropout Voltage Vd1.1V IO=1.0A, Tj=25oC
Peak Output Current Iopeak 2.1A Tj=25oC
Temperature Coefficient of Output voltage ϦVO/ϦTj -0.8mV/oC0oCЉTjЉ125oC, IO=5mA
MCC
Revision: 3 2008/01/01
TM
Micro Commercial Components
www.mccsemi.com
3 of 5
Representation Schematic Diagram
MC7912CT
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Revision: 3 2008/01/01
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MCC TM
Micro Commercial Components
Revision: 3 2008/01/01
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products are represented on our website, harmless against all damages.
***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
