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L79LXXAB Fiches technique(PDF) 1 Page - STMicroelectronics |
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L79LXXAB Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 22 page December 2007 Rev 14 1/22 22 L79LxxAB L79LxxAC - L79LxxC Negative voltage regulators 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 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 on- card 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. SOT-89 TO-92 SO-8 Table 1. Device summary Part number L79L05AC L79L09AC L79L05AB L79L09AB L79L06C L79L12C L79L06AC L79L12AC L79L06AB L79L12AB L79L08C L79L15C L79L08AC L79L15AC L79L08AB L79L15AB L79L09C www.st.com |
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