MCC
TM
Micro Commercial Components
omponents
20736 Marilla Street Chatsworth
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MC79L12F
Features
• Internal Short Circuit Current Limiting
• Internal Thermal Overload Protection
• No External Components Required
• Case Material:Molded Plastic. UL Flammability
Classificatio Rating 94-0 and MSL Rating 1
x Marking :Type Number
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Input Voltage
V1
30
V
Operating Junction Temperature TOPR
-30---+75
oC
Storage Temperature Range
TSTG
-40---+125
oC
Electrical Characteristics( V i=19V, IO=40mA, 0 oC <Tj<125 oC,
C1=0.33uF, CO=0.1uF, unless otherwise specified)
Parameter Sym Min Typ Max Test conditions
Output
Voltage
V0
11.5V
12.0V
12.5V Vi=19V, IO=40mA
Load
Regulation
Line
regulation
Quiescent
Current
Vo -IO
Vo - Vi
Iq
16mV
36mV
3.5mA
100mV
250mV
6.0mA
Io=1mA-100mA,
Vi=19V
14.5VƙViƙ27V,
IO=40mA
Vi=19V, IO=40mA
Output Noise
Voltage
VN
Ripple
Rejection
RR
210µV
37dB
64dB
10Hzƙfƙ100KHz
Vi=19V, IO=40mA
15VƙV1ƙ25V,
IO=40mA
f=120Hz, Tj=25oC
eiN=1VP-P
*Note: Bypass Capacitors are recommended for optimum stability and
transient response and should be located as close as possible to the
regulators
Typical Application:
Input
Cin
0.33µF
MC79L12F
Output
CO
0.1µF
Three-Terminal Low
Current Negative
Voltage Regulator
C
D
G
1
SOT-89
A
B
K
E
H
J
F
2
3
1. GND
2. IN (Case)
3. OUT
.061
1.55
REF.
Revision: 4
www.mccsemi.com
2 of 3
2008/01/01