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CYStech

LM78L08Q8 Datasheet Preview

LM78L08Q8 Datasheet

Low Current Positive Voltage Regulator

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CYStech Electronics Corp.
Low Current Positive Voltage Regulator
LM78LXXQ8
Spec. No. : C515Q8
Issued Date : 2007.11.19
Revised Date : 2013.07.08
Page No. : 1/11
SOP-8
Description
The LM78LXXQ8 series of positive regulators are available in the SOP-8 package and with 5V, 6V, 8V, 9V, 10V, 12V,
15V, 18V and 24V fixed output voltages, making it useful in a wide range of applications. These regulators can
provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each
type employs internal current limiting, thermal shut-down and safe operating area protection, making it essentially
indestructible. If adequate heat sinking is provided, they can deliver over 100mA output current. Although designed
primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable
voltages and currents. LM78LXXQ8 is characterized for operation from 0to 125.
Features:
Internal Short-Circuit Current Limiting
Internal Thermal Overload Protection
No External Components Required
Pb-free package
Typical Application
Schematic Diagram
Vin
3
C1
LM78LXX
2
Vout
1
C2
A common ground is required between the
input and the output voltages. The input
voltage must remain typically 2.0V above
the output voltage even during the low point
on the input ripple voltage.
Note : C1 and C2 are required if regulator is located
far from power supply filter and load, or oscillation
may induced on the loop.
576
3.41K
3.89K
7.8K
13K
2.84K
Vin
5K
5.7K
100
100
5pF
1.5K 1.9K
Vout
2.23K
GND
LM78LXXQ8
CYStek Product Specification




CYStech

LM78L08Q8 Datasheet Preview

LM78L08Q8 Datasheet

Low Current Positive Voltage Regulator

No Preview Available !

CYStech Electronics Corp.
Spec. No. : C515Q8
Issued Date : 2007.11.19
Revised Date : 2013.07.08
Page No. : 2/11
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Operating Junction Temperature Range
Storage Temperature Range
Power Dissipation
LM78L05 ~ 10
LM78L12 ~18
LM78L24
Note : When tested in free air condition, without heat sinking.
Ratings
Unit
35
35
V
40
100
mA
0 ~ 125
-55 ~ 150
750 (Note)
mW
Electrical Characteristics
LM78L05 (Vin=10V, Io=40mA, Tj=0~125°C, Cin=0.33uF, Cout=0.1uF ,unless otherwise noted) (Note 1)
Symbol
Parameter
Min Typ Max
Conditions
Units
A-rank(3%)
Vo
Output Voltage
B-rank(5%)
4.85 5 5.15 Vin=10V, Io=40mA,Tj=25°C
7VVin20V, 1mAIo40mA
V
4.75 - 5.25 7VVinVmax, 1mAIo70mA (Note 2)
ΔVo
Line Regulation
- 18 75 7VVin20V
- 10 54 8VVin20V
mV
ΔVo
Load Regulation
- 20 60 1mAIo100mA
-
5 30 1mAIo40mA
mV
IQ
Quiescent Current
-
3
5 Tj=25°C, Vin=10V, Io=0mA
mA
ΔIQ
Quiescent Current
Change
-
-
1 8VVin20V
-
- 0.1 1mAIo40mA
mA
Vn
Output Noise Voltage - 40 - 10Hzf100KHz
μV
ΔVin / ΔVout Ripple Rejection
47 62 - 8VVin20V, f=120Hz
dB
ΔVo/ΔTj Temperature Stability - -0.65 - Io=5mA, 0°C Tj125°C
mV/
VD
Dropout Voltage
- 1.7 - Io=100mA
V
LM78L06 (Vin=12V, Io=40mA, Tj=0~125°C, Cin=0.33uF, Cout=0.1uF, unless otherwise noted) (Note 1)
Symbol
Parameter
Min Typ Max
Conditions
Units
A-rank(3%)
Vo
Output Voltage
B-rank(5%)
5.82 6 6.18 Vin=12V, Io=40mA,Tj=25°C
8.5VVin20V, 1mAIo40mA
V
5.70 - 6.30 8.5VVinVmax, 1mAIo70mA (Note 2)
ΔVo
Line Regulation
- 64 175 8.5VVin20V
- 54 125 9VVin20V
mV
ΔVo
Load Regulation
- 12.8 80 1mAIo100mA
- 5.8 40 1mAIo70mA
mV
IQ
Quiescent Current
- 3.9 6 Tj=25°C, Vin=12V, Io=0mA
mA
ΔIQ
Quiescent Current
Change
-
- 1.5 9VVin20V
-
- 0.1 1mAIo40mA
mA
Vn
Output Noise Voltage - 49 - 10Hzf100KHz
μV
ΔVin / ΔVout Ripple Rejection
40 46 - 10VVin20V, f=120Hz
dB
ΔVo/ΔTj Temperature Stability - 0.75 - Io=5mA, 0°C Tj125°C
mV/
VD
Dropout Voltage
- 1.7 - Io=100mA
V
LM78LXXQ8
CYStek Product Specification


Part Number LM78L08Q8
Description Low Current Positive Voltage Regulator
Maker CYStech
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