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Part Number: L79LxxAC
Description: The L79Lxx series of three-terminal negative regulators employ internal current limiting and thermal s...
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L79LxxAC
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DataSheet
General Description
L79LxxAC General 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 oncard 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.
L79LxxAC Maximum Ratings
|
Symbol |
Parameter |
Value |
Unit | |
|
VI |
DC input voltage |
VO = -5 to -9 V VO = -12 to -15 V |
-30 -35 |
V |
|
IO PD TSTG |
Output current Power dissipation Storage temperature range |
100 Internally Limited (1) 40 to 150 |
mA mW °C | |
|
TOP |
Operating junction temperature range |
For L79L00C, L79L00AC For L79L00AB |
0 to 125 -40 to 125 |
°C |
1. Our SO-8 package used for Voltage Regulators is modified internally to have pins 2, 3, 6 and 7 electrically ommuned 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.
L79LxxAC Features
·Output current up to 100 mA
·Output voltages of -5; -6; -8; -9; -12; -15V
·Thermal overload protection
·Short circuit protection
·No external components are required
·Available in either ±5% (AC) or ±10% (C) selection
·Output voltages of -5; -6; -8; -9; -12; -15V
·Thermal overload protection
·Short circuit protection
·No external components are required
·Available in either ±5% (AC) or ±10% (C) selection
L79LxxAC Connection Diagram
L79LXXAC
PDF/DataSheet Download
- Datasheet: L79LXXAC
- File Size: 722722 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
- Click here to Download
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L79LxxAC Relative Products
L79LxxAB
The L79LxxAB 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.L79LxxAB are intended as fixed v...
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