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CYStech Electronics

LM79L24M3 Datasheet Preview

LM79L24M3 Datasheet

Low Current Negative Voltage Regulator

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CYStech Electronics Corp.
Low Current Negative Voltage Regulator
LM79LXXM3
Spec. No. : C508M3
Issued Date : 2006.07.12
Revised Date : 2013.08.12
Page No. : 1/8
SOT-89
GI O
Description
The LM79LXXM3 series of negative regulators are available in the SOT-89 package and with -5V, -6V, -8V,-9V,
-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. LM79LXXM3 is characterized for operation from 0to 125.
Features:
Internal Short-Circuit Current Limiting
Internal Thermal Overload Protection
No External Components Required
Pb-free lead plating package
Typical Application
Vin
3
LM79LXX
C1
0.33μF
2
Representative Schematic Diagram
Vout
1
C2
0.1μF
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.
LM79LXXM3
CYStek Product Specification




CYStech Electronics

LM79L24M3 Datasheet Preview

LM79L24M3 Datasheet

Low Current Negative Voltage Regulator

No Preview Available !

CYStech Electronics Corp.
Spec. No. : C508M3
Issued Date : 2006.07.12
Revised Date : 2013.08.12
Page No. : 2/8
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Operating Junction Temperature Range
Storage Temperature Range
Power Dissipation
LM79L05 ~ 09
LM79L12 ~18
LM79L24
Note : When tested in free air condition, without heat sinking.
Ratings
-30
-35
-40
100
0 ~ 125
-65 ~ 150
350 (Note)
Unit
V
mA
mW
Electrical Characteristics
LM79L05 (Vin=-10V, Io=40mA, Tj=0~125°C, Cin=0.33μF, Cout=0.1μF ,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
-7VVin-20V, 1mAIo40mA
-4.75 - -5.25 Vin=-10V, 1mAIo70mA (Note 2)
V
ΔVo Line Regulation
- 15 150 -7VVin-20V, Tj=25°C
mV
ΔVo Load Regulation
- 20 60 1mAIo100mA, Tj=25°C
mV
IQ Quiescent Current - - 6 Vin=-10V, Io=40mA, Tj=25°C
mA
ΔIQ
Quiescent Current
Change
- - 1.5 -8VVin-20V
- - 0.1 1mAIo40mA
mA
Vn Output Noise Voltage - 40 - 10Hzf100KHz
μV
ΔVin / ΔVout Ripple Rejection
41 49 - -8VVin-18V, f=120Hz, Tj=25°C
dB
VD Dropout Voltage
- 1.7 - Io=100mA, Tj=25°C
V
LM79L06 (Vin=-11V, Io=40mA, Tj=0~125°C, Cin=0.33μF, Cout=0.1μF, unless otherwise noted) (Note 1)
Symbol
Parameter
Min Typ Max
Conditions
A-rank(3%)
Vo Output Voltage
B-rank(5%)
-5.82 -6 -6.18 Vin=-11V, Io=40mA,Tj=25°C
-8VVin-20V, 1mAIo40mA
-5.70 - -6.30 Vin=-11V, 1mAIo70mA (Note 2)
ΔVo Line Regulation
- 20 150 -8VVin-20V, Tj=25°C
ΔVo Load Regulation
- 21 60 Vin=-11V, 1mAIo100mA, Tj=25°C
IQ
Quiescent Current
- - 6 Vin=-11V, Io=40mA, Tj=25°C
ΔIQ
Quiescent Current
Change
- - 1.5 -9VVin-20V
- - 0.1 1mAIo40mA
Vn Output Noise Voltage - 44 - 10Hzf100KHz
ΔVin / ΔVout Ripple Rejection
40 48 - -9VVin-19V, f=120Hz, Tj=25°C
VD Dropout Voltage
- 1.7 - Io=100mA, Tj=25°C
Units
V
mV
mV
mA
mA
μV
dB
V
LM79LXXM3
CYStek Product Specification


Part Number LM79L24M3
Description Low Current Negative Voltage Regulator
Maker CYStech Electronics
Total Page 8 Pages
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