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CYStech

LM78L18M3 Datasheet Preview

LM78L18M3 Datasheet

Low Current Positive Voltage Regulator

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CYStech Electronics Corp.
Low Current Positive Voltage Regulator
LM78LXXM3
Spec. No. : C515M3
Issued Date : 2007.10.04
Revised Date : 2017.11.13
Page No. : 1/11
SOT-89
OG I
Description
The LM78LXXM3 series of positive regulators are available in the SOT-89 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 200mA output current. Although designed
primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable
voltages and currents. LM78LXXM3 is characterized for operation from -40to +125.
Features:
Internal Short-Circuit Current Limiting
Internal Thermal Overload Protection
No External Components Required
Pb-free lead plating and halogen-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
LM78LXXM3
CYStek Product Specification




CYStech

LM78L18M3 Datasheet Preview

LM78L18M3 Datasheet

Low Current Positive Voltage Regulator

No Preview Available !

CYStech Electronics Corp.
Spec. No. : C515M3
Issued Date : 2007.10.04
Revised Date : 2017.11.13
Page No. : 2/11
Ordering Information
Device
LM78LXXM3-A-T2-G
LM78LXXM3-B-T2-G
Output Voltage Tolerance
±3%
±5%
Package
Shipping
SOT-89
(Pb-free lead plating and 1000 pcs / Tape & Reel
halogen-free package)
Environment friendly grade : S for RoHS compliant products, G for RoHS compliant and
green compound products
Packing spec, T2 :1000 pcs/tape & reel, 7” reel ; TB : 2000 pcs/ tape & box
Product rank, zero for no rank products
Product name
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Operating Junction Temperature Range
Storage Temperature Range
Power Dissipation
Thermal Resistance, Junction to Ambient
Thermal Resistance, Junction to Case
LM78L05 ~ 10
LM78L12 ~18
LM78L24
Ratings
30
35
40
200
-40 ~ +125
-65 ~ +150
500 (Note)
250 (Note)
30
Note : When mounted on minimum pad size and tested in free air condition, without heat sinking.
Unit
V
mA
°C
mW
°C/W
Electrical Characteristics
LM78L05 (Vin=10V, Io=80mA, Tj=25°C, Cin=0.33uF, Cout=0.1uF ,unless otherwise noted) (Note 1)
Symbol
Parameter
Min Typ Max
Conditions
A-rank(3%)
Vo
Output Voltage
B-rank(5%)
ΔVo
Line Regulation
4.85 5 5.15 Vin=10V, Io=80mA,Tj=25°C
7VVin20V, 1mAIo80mA
4.75 - 5.25 Vin=10V, 1mAIo140mA (Note 2)
- 32 150 7VVin20V
- 26 100 8VVin20V
ΔVo
Load Regulation
- 15 60 1mAIo200mA
-
8 30 1mAIo80mA
IQ
Quiescent Current
- 2.6 6 Tj=25°C, Vin=10V, Io=80mA
ΔIQ
Quiescent Current
Change
-
- 1.5 8VVin20V
-
- 0.1 1mAIo80mA
Vn
Output Noise Voltage - 42 - 10Hzf100KHz
ΔVin / ΔVout Ripple Rejection
41 49 - 8VVin18V, f=120Hz
ΔVo/ΔTj Temperature Stability - -0.65 - Io=5mA, 0°C Tj125°C
VD
Dropout Voltage
- 1.7 - Io=80mA
Units
V
mV
mV
mA
mA
μV
dB
mV/
V
LM78LXXM3
CYStek Product Specification


Part Number LM78L18M3
Description Low Current Positive Voltage Regulator
Maker CYStech
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