S79L12
Elektronische Bauelemente
3-Terminal
Negative
Voltage Regulator
Description
The SM79L12 is monolithic fixed voltage regulator integrated
circuit. They are suitable for applications that required supply
current up to 100mA.
A
D
TO-92
E
S1
Features
* Short Circuit Current Limiting
* Output Current Up To 100mA
*
Thermal Overload Shutdown Protection
SEATING
PLANE
b1
L
e1
e
b
C
REF.
A
S
1
b
b
1
C
Millimeter
Min.
Max.
4.45
4.7
1.02
-
0.36
0.51
0.36
0.76
0.36
0.51
REF.
D
E
L
e1
e
Millimeter
Min.
Max.
4.44
4.7
3.30
3.81
12.70
-
1.150
1.390
2.42
2.66
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Operating Junction Temperature Range
Storage Temperature Range
Total Power Dissipation
Symbol
V
IN
I
O
Tj
Tstg
P
D
Ratings
-35
100
0~+125
-55~+150
625
Unit
V
mA
o
C
C
o
mW
Application Circuit
S79L12
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 1 of
2
S79L12
Elektronische Bauelemente
3-Terminal
Negative
Voltage Regulator
Electrical Characteristics at Ta=25 C
V
I
=-19 V,I
O
=40mA,Tj=25 C, C
IN
=0.33uF, C
OUT
=0.1uF unless otherwise specified
Rank A (3%)
Symbol
Test Condition
Min.
Typ.
Unit
Max.
o
o
V
O
V
O
-V
IN
(Line Regulation)
V
O
-I
O
(Load Regulation)
I
Q
Quiescent Current
V
NO
Output Noise Voltage
RR
Ripple Rejection
-11.58
_
_
_
_
-12
36
16
3.5
210
64
-12.42
250
100
6
_
_
V
mV
mV
mA
uV
dB
V
IN
=-19V,I
O
=40mA
V
IN
=-14.5V~-27V,I
O
=40mA
V
IN
=-19V,I
O
=1~100mA
V
IN
=-19V,I
O
=40mA
V
IN
=-19V,BW=10Hz~100KHz,I
O
=40mA
V
IN
=-15V~-25V,I
O
=40mA,E
IN
=1V
P
-
P
,f=190Hz
37
V
I
=-19 V,I
O
=40mA,Tj=25 C, C
IN
=0.33uF, C
OUT
=0.1uF unless otherwise specified
Rank B (5%)
Symbol
Test Condition
Min.
Typ.
Unit
Max.
o
V
O
V
O
-V
IN
(Line Regulation)
V
O
-I
O
(Load Regulation)
I
Q
Quiescent Current
V
NO
Output Noise Voltage
RR
Ripple Rejection
-11.4
_
_
_
_
-12
36
16
3.5
210
64
-12.6
250
100
6
_
_
V
mV
mV
mA
uV
dB
V
IN
=-19V,I
O
=40mA
V
IN
=-14.5V~-27V,I
O
=40mA
V
IN
=-19V,I
O
=1~100mA
V
IN
=-19V,I
O
=40mA
V
IN
=-19V,BW=10Hz~100KHz,I
O
=40mA
V
IN
=-15V~-25V,I
O
=40mA,E
IN
=1V
P
-
P
,f=190Hz
37
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 2 of
2
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