July 2009 Doc ID 2511 Rev 16 1/27
27
L79LxxAB
L79LxxAC - L79LxxC
Negative voltage regulators
Features
Output current up to 100 mA
Output voltages of -5; -6; -8; -9; -12; -15 V
Thermal overload protection
Short circuit protection
No external components are required
Available in either ±5% (AC) or ±10% (C)
selection
Description
The L79Lxx series of three-terminal negative
regulators employ internal current limiting and
thermal shutdown, making them essentially
indestructible. If adequate heat-sink is provided,
they can deliver up to 100 mA output current.
They are intended as fixed voltage regulators in a
wide range of applications including local or on-
card regulation for elimination of noise and
distribution problems associated with single-point
regulation. In addition, they can be used with
power pass elements to make high-current
voltage regulators.
The L79Lxx series used as Zener diode/resistor
combination replacement, offers an effective
output impedance improvement of typically two
orders of magnitude, along with lower quiescent
current and lower noise.
SOT-89
TO-92
SO-8
Table 1. Device summary
Part numbers
L79L05AC L79L09AC
L79L05AB L79L09AB
L79L06C L79L12C
L79L06AC L79L12AC
L79L06AB L79L12AB
L79L08C L79L15C
L79L08AC L79L15AC
L79L08AB L79L15AB
L79L09C
www.st.com
L79LxxAB, L79LxxAC, L79LxxC
2/27 Doc ID 2511 Rev 16
Contents
1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
L79LxxAB, L79LxxAC, L79LxxC Diagram
Doc ID 2511 Rev 16 3/27
1 Diagram
Figure 1. Schematic diagram
Pin configuration L79LxxAB, L79LxxAC, L79LxxC
4/27 Doc ID 2511 Rev 16
2 Pin configuration
Figure 2. Pin connection (top view, bottom view for TO-92)
SOT-89
SO-8 TO-92
PIN 1 = GND
PIN 2 = VIN
PIN 3 = VOUT
Figure 3. Test circuit
L79LxxAB, L79LxxAC, L79LxxC Maximum ratings
Doc ID 2511 Rev 16 5/27
3 Maximum ratings
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
VIDC input voltage VO = -5 to -9 V -30 V
VO = -12 to -15 V -35
IOOutput current 100 mA
PDPower dissipation Internally limited (1)
1. Our SO-8 package used for Voltage Regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to
the die attach flag. This particular frame decreases the total thermal resistance of the package and increases its ability to
dissipate power when an appropriate area of copper on the printed circuit board is available for heat-sinking. The external
dimensions are the same as for the standard SO-8.
mW
TSTG Storage temperature range -40 to 150 °C
TOP Operating junction temperature range For L79L00C, L79L00AC 0 to 125 °C
For L79L00AB -40 to 125
Table 3. Thermal data
Symbol Parameter SO-8 TO-92 SOT-89 Unit
RthJC Thermal resistance junction-case. (Max) 20 15 °C/W
RthJA Thermal resistance junction-ambient. (Max) 55 (1) 200 °C/W
1. Considering 6 cm2 of copper Board heat-sink.
Electrical characteristics L79LxxAB, L79LxxAC, L79LxxC
6/27 Doc ID 2511 Rev 16
4 Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = -10 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 4. Electrical characteristics of L79L05
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -4.6 -5 -5.4 V
VOOutput voltage IO = 1 to 40 mA, VI = -7 to -20 V -4.5 -5.5 V
IO = 1 to 70 mA, VI = -10 V -4.5 -5.5
ΔVOLine regulation VI = -7 to -20 V, TJ = 25°C 200 mV
VI = -8 to -20 V, TJ = 25°C 150
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 60 mV
IO = 1 to 40 mA, TJ = 25°C 30
IdQuiescent current TJ = 25°C 6 mA
TJ = 125°C 5.5 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.2 mA
VI = -8 to -20 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 40 µV
SVR Supply voltage rejection VI = -8 to -18V, f = 120Hz
IO = 40 mA, TJ = 25°C 40 49 dB
VdDropout voltage 1.7 V
L79LxxAB, L79LxxAC, L79LxxC Electrical characteristics
Doc ID 2511 Rev 16 7/27
Refer to the test circuits, TJ = 0 to 125 °C, VI = -12 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 5. Electrical characteristics of L79L06
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -5.52-6-6.48 V
VOOutput voltage IO = 1 to 40 mA, VI = -8.5 to -20 V -5.4 -6.6 V
IO = 1 to 70 mA, VI = -12 V -5.4 -6.6
ΔVOLine regulation VI = -8.5 to -20 V, TJ = 25°C 200 mV
VI = -9 to -20 V, TJ = 25°C 150
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 60 mV
IO = 1 to 40 mA, TJ = 25°C 30
IdQuiescent current TJ = 25°C 6 mA
TJ = 125°C 5.5 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.2 mA
VI = -8 to -20 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 50 µV
SVR Supply voltage rejection VI = -9 to -20V, f = 120Hz
IO = 40 mA, TJ = 25°C 38 46 dB
VdDropout voltage 1.7 V
Electrical characteristics L79LxxAB, L79LxxAC, L79LxxC
8/27 Doc ID 2511 Rev 16
Refer to the test circuits, TJ = 0 to 125 °C, VI = -14 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 6. Electrical characteristics of L79L08
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -7.36-8-8.64 V
VOOutput voltage IO = 1 to 40 mA, VI = -10.5 to -23 V -7.2 -8.8 V
IO = 1 to 70 mA, VI = -14 V -7.2 -8.8
ΔVOLine regulation VI = -10.5 to -23 V, TJ = 25°C 200 mV
VI = -11 to -23 V, TJ = 25°C 150
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 80 mV
IO = 1 to 40 mA, TJ = 25°C 40
IdQuiescent current TJ = 25°C 6 mA
TJ = 125°C 5.5 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.2 mA
VI = -11 to -23 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 60 µV
SVR Supply voltage rejection VI = -12 to -23V, f = 120Hz
IO = 40 mA, TJ = 25°C 36 45 dB
VdDropout voltage 1.7 V
L79LxxAB, L79LxxAC, L79LxxC Electrical characteristics
Doc ID 2511 Rev 16 9/27
Refer to the test circuits, TJ = 0 to 125 °C, VI = -15 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 7. Electrical characteristics of L79L09
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -8.28-9-9.72 V
VOOutput voltage IO = 1 to 40 mA, VI = -11.5 to -23 V -8.1 -9.9 V
IO = 1 to 70 mA, VI = -15 V -8.1 -9.9
ΔVOLine regulation VI = -11.5 to -23 V, TJ = 25°C 250 mV
VI = -12 to -23 V, TJ = 25°C 200
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 80 mV
IO = 1 to 40 mA, TJ = 25°C 40
IdQuiescent current TJ = 25°C 6 mA
TJ = 125°C 5.5 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.2 mA
VI = -12 to -23 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 70 µV
SVR Supply voltage rejection VI = -12 to -23V, f = 120Hz
IO = 40 mA, TJ = 25°C 36 44 dB
VdDropout voltage 1.7 V
Electrical characteristics L79LxxAB, L79LxxAC, L79LxxC
10/27 Doc ID 2511 Rev 16
Refer to the test circuits, TJ = 0 to 125 °C, VI = - 19 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 8. Electrical characteristics of L79L12
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -11.1 -12 -12.9 V
VOOutput voltage IO = 1 to 40 mA, VI = -14.5 to -27 V -10.8 -13.2 V
IO = 1 to 70 mA, VI = -19 V -10.8 -13.2
ΔVOLine regulation VI = -14.5 to -27 V, TJ = 25°C 250 mV
VI = -16 to -27 V, TJ = 25°C 200
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 100 mV
IO = 1 to 40 mA, TJ = 25°C 50
IdQuiescent current TJ = 25°C 6.5 mA
TJ = 125°C 6 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.2 mA
VI = -16 to -27 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 80 µV
SVR Supply voltage rejection VI = -15 to -25V, f = 120Hz
IO = 40 mA, TJ = 25°C 36 42 dB
VdDropout voltage 1.7 V
L79LxxAB, L79LxxAC, L79LxxC Electrical characteristics
Doc ID 2511 Rev 16 11/27
Refer to the test circuits, TJ = 0 to 125 °C, VI = - 23 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 9. Electrical characteristics of L79L15
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -13.8 -15 -16.2 V
VOOutput voltage IO = 1 to 40 mA, VI = -17.5 to -30 V -13.5 -16.5 V
IO = 1 to 70 mA, VI = -23 V -13.5 -16.5
ΔVOLine regulation VI = -17.5 to -30 V, TJ = 25°C 300 mV
VI = -20 to -30 V, TJ = 25°C 250
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 150 mV
IO = 1 to 40 mA, TJ = 25°C 75
IdQuiescent current TJ = 25°C 6.5 mA
TJ = 125°C 6 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.2 mA
VI = -20 to -30 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 90 µV
SVR Supply voltage rejection VI = -18.5 to -28.5.V, f = 120Hz
IO = 40 mA, TJ = 25°C 33 39 dB
VdDropout voltage 1.7 V
Electrical characteristics L79LxxAB, L79LxxAC, L79LxxC
12/27 Doc ID 2511 Rev 16
Refer to the test circuits, VI = - 10 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C
for L79L05AC, TJ = -40 to 125 °C for L79L05AB, unless otherwise specified.
Table 10. Electrical characteristics of L79L05AB and L79L05AC
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -4.8 -5 -5.2 V
VOOutput voltage IO = 1 to 40 mA, VI = -7 to -20 V -4.75 -5.25 V
IO = 1 to 70 mA, VI = -10 V -4.75 -5.25
ΔVOLine regulation VI = -7 to -20 V, TJ = 25°C 150 mV
VI = -8 to -20 V, TJ = 25°C 100
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 60 mV
IO = 1 to 40 mA, TJ = 25°C 30
IdQuiescent current TJ = 25°C 6 mA
TJ = 125°C 5.5 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.1 mA
VI = -8 to -20 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 40 µV
SVR Supply voltage rejection VI = -8 to -18V, f = 120Hz
IO = 40 mA, TJ = 25°C 41 49 dB
VdDropout voltage 1.7 V
L79LxxAB, L79LxxAC, L79LxxC Electrical characteristics
Doc ID 2511 Rev 16 13/27
Refer to the test circuits, VI = - 12 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C
for L79L05AC, TJ = -40 to 125 °C for L79L05AB, unless otherwise specified.
Table 11. Electrical characteristics of L79L06AB and L79L06AC
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -5.76-6-6.24 V
VOOutput voltage IO = 1 to 40 mA, VI = -8.5 to -20 V -5.7 -6.3 V
IO = 1 to 70 mA, VI = -12 V -5.7 -6.3
ΔVOLine regulation VI = -8.5 to -20 V, TJ = 25°C 150 mV
VI = -9 to -20 V, TJ = 25°C 100
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 60 mV
IO = 1 to 40 mA, TJ = 25°C 30
IdQuiescent current TJ = 25°C 6 mA
TJ = 125°C 5.5 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.1 mA
VI = -8 to -20 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 50 µV
SVR Supply voltage rejection VI = -9 to -20V, f = 120Hz
IO = 40 mA, TJ = 25°C 39 46 dB
VdDropout voltage 1.7 V
Electrical characteristics L79LxxAB, L79LxxAC, L79LxxC
14/27 Doc ID 2511 Rev 16
Refer to the test circuits, VI = - 14 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C
for L79L05AC, TJ = -40 to 125 °C for L79L05AB, unless otherwise specified.
Table 12. Electrical characteristics of L79L08AB and L79L08AC
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -7.68-8-8.32 V
VOOutput voltage IO = 1 to 40 mA, VI = -10.5 to -23 V -7.6 -8.4 V
IO = 1 to 70 mA, VI = -14 V -7.6 -8.4
ΔVOLine regulation VI = -10.5 to -23 V, TJ = 25°C 175 mV
VI = -11 to -23 V, TJ = 25°C 125
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 80 mV
IO = 1 to 40 mA, TJ = 25°C 40
IdQuiescent current TJ = 25°C 6 mA
TJ = 125°C 5.5 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.1 mA
VI = -11 to -23 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 60 µV
SVR Supply voltage rejection VI = -12 to -23V, f = 120Hz
IO = 40 mA, TJ = 25°C 37 45 dB
VdDropout voltage 1.7 V
L79LxxAB, L79LxxAC, L79LxxC Electrical characteristics
Doc ID 2511 Rev 16 15/27
Refer to the test circuits, VI = - 15 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C
for L79L05AC, TJ = -40 to 125 °C for L79L05AB, unless otherwise specified.
Table 13. Electrical characteristics of L79L09AB and L79L09AC
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -8.64-9-9.36 V
VOOutput voltage IO = 1 to 40 mA, VI = -11.5 to -23 V -8.55 -9.45 V
IO = 1 to 70 mA, VI = -15 V -8.55 -9.45
ΔVOLine regulation VI = -11.5 to -23 V, TJ = 25°C 225 mV
VI = -12 to -23 V, TJ = 25°C 150
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 80 mV
IO = 1 to 40 mA, TJ = 25°C 40
IdQuiescent current TJ = 25°C 6 mA
TJ = 125°C 5.5 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.1 mA
VI = -12 to -23 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 70 µV
SVR Supply voltage rejection VI = -12 to -23V, f = 120Hz
IO = 40 mA, TJ = 25°C 37 44 dB
VdDropout voltage 1.7 V
Electrical characteristics L79LxxAB, L79LxxAC, L79LxxC
16/27 Doc ID 2511 Rev 16
Refer to the test circuits, VI = - 19 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C
for L79L05AC, TJ = -40 to 125 °C for L79L05AB, unless otherwise specified.
Table 14. Electrical characteristics of L79L12AB and L79L12AC
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -11.5 -12 -12.5 V
VOOutput voltage IO = 1 to 40 mA, VI = -14.5 to -27 V -11.4 -12.6 V
IO = 1 to 70 mA, VI = -19 V -11.4 -12.6
ΔVOLine regulation VI = -14.5 to -27 V, TJ = 25°C 250 mV
VI = -16 to -27 V, TJ = 25°C 200
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 100 mV
IO = 1 to 40 mA, TJ = 25°C 50
IdQuiescent current TJ = 25°C 6.5 mA
TJ = 125°C 6 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.1 mA
VI = -16 to -27 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 80 µV
SVR Supply voltage rejection VI = -15 to -25V, f = 120Hz
IO = 40 mA, TJ = 25°C 37 42 dB
VdDropout voltage 1.7 V
L79LxxAB, L79LxxAC, L79LxxC Electrical characteristics
Doc ID 2511 Rev 16 17/27
Refer to the test circuits, VI = - 23 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C
for L79L05AC, TJ = -40 to 125 °C for L79L05AB, unless otherwise specified.
Table 15. Electrical characteristics of L79L15AB and L79L15AC
Symbol Parameter Test conditions Min. Typ. Max. Unit
VOOutput voltage TJ = 25°C -14.4 -15 -15.6 V
VOOutput voltage IO = 1 to 40 mA, VI = -17.5 to -30 V -14.25 -15.75 V
IO = 1 to 70 mA, VI = -23 V -14.25 -15.75
ΔVOLine regulation VI = -17.5 to -30 V, TJ = 25°C 300 mV
VI = -20 to -30 V, TJ = 25°C 250
ΔVOLoad regulation IO = 1 to 100 mA, TJ = 25°C 150 mV
IO = 1 to 40 mA, TJ = 25°C 75
IdQuiescent current TJ = 25°C 6.5 mA
TJ = 125°C 6 mA
ΔIdQuiescent current change IO = 1 to 40 mA 0.1 mA
VI = -20 to -30 V 1.5
eN Output noise voltage B =10Hz to 100kHz, TJ = 25°C 90 µV
SVR Supply voltage rejection VI = -18.5 to -28.5.V, f = 120Hz
IO = 40 mA, TJ = 25°C 34 39 dB
VdDropout voltage 1.7 V
Package mechanical data L79LxxAB, L79LxxAC, L79LxxC
18/27 Doc ID 2511 Rev 16
5 Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
L79LxxAB, L79LxxAC, L79LxxC Package mechanical data
Doc ID 2511 Rev 16 19/27
Dim. mm. inch.
Min. Typ. Max. Min. Typ. Max.
A1.35 1.75 0.0530.069
A1 0.10 0.25 0.04 0.010
A2 1.10 1.65 0.0430.065
B0.33 0.51 0.0130.020
C0.190.25 0.007 0.010
D4.80 5.00 0.189 0.197
E3.80 4.00 0.150 0.157
e 1.27 0.050
H5.80 6.20 0.2280.244
h 0.25 0.50 0.010 0.020
L 0.40 1.27 0.016 0.050
k8° (max.)
ddd 0.1 0.04
SO-8 mechanical data
0016023/C
Package mechanical data L79LxxAB, L79LxxAC, L79LxxC
20/27 Doc ID 2511 Rev 16
Dim.
mm. mils.
Min. Typ. Max. Min. Typ. Max.
A 1.4 1.6 55.1 63.0
B 0.44 0.56 17.322.0
B1 0.36 0.4814.2 18.9
C0.35 0.44 13.817.3
C1 0.35 0.44 13.817.3
D 4.4 4.6 173.2 181.1
D1 1.62 1.83 63.872.0
E2.292.6 90.2 102.4
e 1.42 1.57 55.961.8
e1 2.923.07 115.0 120.9
H3.94 4.25 155.1 167.3
L0.89 1.2 35.0 47.2
SOT-89 mechanical data
P025H
L79LxxAB, L79LxxAC, L79LxxC Package mechanical data
Doc ID 2511 Rev 16 21/27
Dim.
mm. mils.
Min. Typ. Max. Min. Typ. Max.
A4.324.95 170.1 194.9
b0.36 0.51 14.2 20.1
D 4.45 4.95 175.2 194.9
E3.303.94 129.9155.1
e 2.41 2.67 94.9105.1
e1 1.14 1.40 44.955.1
L 12.7 15.49500.0 609.8
R 2.16 2.41 85.0 94.9
S1 0.92 1.52 36.2 59.8
W 0.41 0.56 16.1 22.0
α
TO-92 mechanical data
0102782/D
Package mechanical data L79LxxAB, L79LxxAC, L79LxxC
22/27 Doc ID 2511 Rev 16
Dim.
mm. inch.
Min. Typ. Max. Min. Typ. Max.
A330 12.992
C 12.813.2 0.504 0.519
D 20.2 0.795
N60 2.362
T 22.4 0.882
Ao 8.1 8.5 0.3190.335
Bo 5.5 5.90.216 0.232
Ko 2.1 2.30.082 0.090
Po 3.94.1 0.1530.161
P7.98.1 0.311 0.319
Tape & reel SO-8 mechanical data
L79LxxAB, L79LxxAC, L79LxxC Package mechanical data
Doc ID 2511 Rev 16 23/27
Dim.
mm. inch.
Min. Typ. Max. Min. Typ. Max.
A180 7.086
C 12.813.0 13.2 0.504 0.512 0.519
D 20.2 0.795
N60 2.362
T 14.4 0.567
Ao 4.70 4.80 4.90 0.185 0.189 0.193
Bo 4.30 4.40 4.50 0.1690.1730.177
Ko 1.70 1.80 1.90 0.067 0.071 0.075
Po 3.94.0 4.1 0.1530.157 0.161
P7.98.0 8.1 0.311 0.315 0.319
Tape & reel SOT-89 mechanical data
Package mechanical data L79LxxAB, L79LxxAC, L79LxxC
24/27 Doc ID 2511 Rev 16
Dim. mm. inch.
Min. Typ. Max. Min. Typ. Max.
A1 4.80 0.189
T3.80 0.150
T1 1.60 0.063
T2 2.30 0.091
d0.480.019
P0 12.5 12.90.492 0.508
P2 5.65 7.05 0.222 0.278
F1, F2 2.44 2.54 2.94 0.096 0.100 0.116
delta H ±2 0.079
W 17.5 18.00 19.0 0.689 0.7090.748
W0 5.7 6.30.224 0.248
W1 8.5 9.25 0.335 0.364
W2 0.50 0.20
H18.50 18.70 0.7280.726
H0 15.50 16.50 0.610 0.650
H1 25.00 0.984
D0 3.84.2 0.150 0.165
t0.900.035
L1 30.118
delta1 0.039
u50 1.968
Φ1360 14.173
Φ2301.181
Tape & reel for TO-92 mechanical data
W
W1
W0
W2
A1
d
D0
H1
H
H0
L
l1
F1 F2
P2
P0
delta P
delta H
T2 T1
T
t
DRAWING NOT IN SCALE
L79LxxAB, L79LxxAC, L79LxxC Order codes
Doc ID 2511 Rev 16 25/27
6 Order codes
Table 16. Order codes
Packaging
Output voltage
SO-8 TO92 (BAG) (1)
1. Available in Ammopak with the suffix "-AP" or in Tape & Reel with the suffix "TR". Please note that in these cases pins are
shaped according to Tape & Reel specifications.
SOT-89
L79L05ACD13TR L79L05ACZ L79L05ACUTR -5 V
L79L05ABD13TR L79L05ABZ L79L05ABUTR -5 V
L79L06CD13TR (2)
2. Available on request.
-6 V
L79L06ACD13TR L79L06ACZ -6 V
L79L06ABD13TR (2) L79L06ABZ L79L06ABUTR -6 V
L79L08CD13TR (2) -8 V
L79L08ACD13TR L79L08ACZ L79L08ACUTR (2) -8 V
L79L08ABD13TR (2) L79L08ABZ (2) L79L08ABUTR (2) -8 V
L79L09CD13TR (2) -9 V
L79L09ACD13TR (2) L79L09ACZ L79L09ACUTR -9 V
L79L09ABD13TR (2) L79L09ABZ (2) L79L09ABUTR (2) -9 V
L79L12CD13TR (2) -12 V
L79L12ACD13TR L79L12ACZ L79L12ACUTR -12 V
L79L12ABD13TR (2) L79L12ABZ (2) L79L12ABUTR (2) -12 V
L79L15CD13TR (2) -15 V
L79L15ACD13TR L79L15ACUTR -15 V
L79L15ABD13TR L79L15ABZ (2) -15 V
Revision history L79LxxAB, L79LxxAC, L79LxxC
26/27 Doc ID 2511 Rev 16
7 Revision history
Table 17. Document revision history
Date Revision Changes
14-Mar-2005 9 Add Tape & Reel for TO-92.
15-Mar-2005 10 Add note on Table 3.
23-Dec-2005 11 Mistake on ordering Table in Header.
12-Sep-2006 12 Order codes updated.
25-Jul-2007 13 Pin connection for SOT-89 updated on Figure 2, add Ta b l e 1 in cover page.
04-Dec-2007 14 Modified: Ta ble 1 6.
14-Jul-2008 15 Modified: Table 16 on page 25.
29-Jul-2009 16 Modified: Table 16 on page 25.
L79LxxAB, L79LxxAC, L79LxxC
Doc ID 2511 Rev 16 27/27
Please Read Carefully:
Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST) reserve the
right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no
liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this
document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products
or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such
third party products or services or any intellectual property contained therein.
UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS
OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT
RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING
APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY,
DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE
GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.
Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void
any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any
liability of ST.
ST and the ST logo are trademarks or registered trademarks of ST in various countries.
Information in this document supersedes and replaces all information previously supplied.
The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.
© 2009 STMicroelectronics - All rights reserved
STMicroelectronics group of companies
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -
Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America
www.st.com