79L08
SOT-89 Plastic-Encapsulate
Voltage Regulators
79L08
Three-terminal positive voltage regulator
SOT-89-3L
FEATURES
Maximum
output
current
I
OM
: 0.1A
Output voltage
V
O
:
-8V
Continuous total dissipation
P
D
: 0.6 W (T
a
= 25
℃
)
1.
GND
2.
IN
3.
OUT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Thermal
Resistance from Junction to Ambient
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
i
R
θJA
T
OPR
T
STG
Value
-30
208.3
0~+150
-65
~+150
M
25℃
Output
Voltage
Vo
-10.5V≤V
l
≤-23V,
Io=1mA~40mA
Io=1mA~70mA
Load Regulation
Line
Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
ΔVo
ΔVo
Iq
ΔIq
I
ΔIq
I
V
N
RR
Vd
-11V≤V
l
≤-23V
1mA
≤I
O
≤40mA
10Hz≤f≤100KHz
-11V≤V
l
≤-21V,f=120Hz
Io=1mA~100mA
Io=1mA~40mA
-10.5V≤V
l
≤-23V
-11V≤V
l
≤-23V
0-125℃
25℃
25℃
25℃
25℃
25℃
0-125℃
0-125℃
25℃
0-125℃
25℃
37
54
46
1.7
-7.68
-7.6
.
-
-7.6
T
-8.0
-8.0
-8.0
30
15
42
36
4
M
-8.32
-8.4
-8.4
100
50
200
150
6
1.5
0.1
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV/Vo
dB
V
Unit
V
℃/W
℃
℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION TEMPERATURE (Vi=-11V,Io=40mA,Ci=0.33uF,,Co=0.1uF, unless otherwise specified )
Parameter
er
mbol
Test conditions
*
Pulse test.
TYPICAL APPLICATION
-
V
i
2
79L08
3
-
Vo
Ci
0.33μF
1
C0
0.1μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
Possible to the regulators.
DN:T19928A0
The above data are for reference only.
Rev:2019A0
Page :1
https://www.microdiode.com
79L08
Typical Characteristics
Output Characteristics
-11
-10
-9
-8.25
Dropout Characteristics
I
O
=0mA
T
J
=25
℃
-8.00
T
J
=25
℃
(V)
(V)
-8
-7
-6
-5
-4
-3
-2
-1
0
0
-5
-10
-15
-20
-25
-30
-7.75
I
O
=0mA
OUTPUT VOLTAGE V
O
V
O
OUTPUT VOLTAGE
-7.50
I
O
=40mA,70mA,100mA
-7.25
-7.00
-6.75
-6.50
-8.0
-8.5
-9.0
-9.5
-10.0
-10.5
-11.0
INPUT VOLTAGE
V
IN
(V)
INPUT VOLTAGE
V
IN
(V)
Quiescent Current vs Input Voltage
-2.5
-11
Current Cut-off Grid Voltage
I
O
=0mA
T
J
=25
℃
-10
-9
T
J
=25
℃
Pulsed
V
IN
=-14V
(mA)
(V)
V
O
OUTPUT VOLTAGE
0
-5
-10
-15
-20
-25
-30
-2.0
-8
-7
-6
-5
-4
-3
-2
-1
I
Q
QUIESCENT CURRENT
-1.5
-1.0
-0.5
0.0
0
0
25
50
75
100
125
150
175
200
225
INPUT VOLTAGE
V
IN
(V)
OUTPUT CURRENT
I
O
(mA)
Output Voltage vs Junction Temperature
-12
-11
-10
800
Power Derating Curve
700
V
in
=-14V
I
O
=5mA
(W)
P
D
POWER DISSIPATION
0
25
50
75
100
125
150
500
400
300
200
100
0
(V)
600
-9
-8
-7
-6
-5
-4
-3
-2
OUTPUT VOLTAGE V
O
0
25
50
75
100
125
150
JUNCTION TEMPERATURE
T
J
(
℃
)
JUNCTION TEMPERATURE
T
J
(
℃
)
https://www.microdiode.com
Rev:2019A0
Page :2
79L08
Outlitne Drawing
SOT-89-3L Package Outline Dimensions
Symbol
A
b
b1
c
D
D1
E
E1
e
e1
L
Dimensions In Millimeters
Max
Min
1.400
1.600
0.320
0.520
0.400
0.580
0.350
0.440
4.400
4.600
1.550 REF.
2.300
2.600
3.940
4.250
1.500 TYP.
3.000 TYP.
0.900
1.200
Dimensions In Inches
Min
Max
0.055
0.063
0.013
0.020
0.016
0.023
0.014
0.017
0.173
0.181
0.061 REF.
0.091
0.102
0.155
0.167
0.060 TYP.
0.118 TYP.
0.035
0.047
SOT-89-3L
Suggested
Pad Layout
Note:
1.Controlling dimension:in/millimeters.
2.General tolerance: ±0.05mm.
3.The pad layout is for reference purposes only.
PACKAGE SPECIFICATIONS
Package Reel Size
Reel DIA.
(mm)
Q'TY/Reel
(pcs)
Box Size
(mm)
QTY/Box
(pcs)
Carton Size
(mm)
G.W.(Kg)
180000
SOT-89-3L
7'
330
1000
203×203×195
40000
438×438×220
Important Notice and Disclaimer
Microdiode Electronics (Jiangsu) reserves the right to make changes to this document and its
products and specifications at any time without notice. Customers should obtain and confirm the
latest product information and specifications before final design,purchase or use.
Microdiode Electronics (Jiangsu) makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, not does Microdiode Electronics
(Jiangsu) assume any liability for application assistance or customer product design. Microdiode
Electronics (Jiangsu) does not warrant or accept any liability with products which are purchased
or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
Microdiode Electronics (Jiangsu).
Microdiode Electronics (Jiangsu) products are not authorized for use as critical components
in life support devices or systems without express written approval of Microdiode Electronics
(Jiangsu).
https://www.microdiode.com
Rev:2019A0
Page :3
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