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79XX

STMicroelectronics
Part Number 79XX
Manufacturer STMicroelectronics
Description NEGATIVE VOLTAGE REGULATORS
Published Mar 22, 2005
Detailed Description www.DataSheet4U.com L7900 SERIES NEGATIVE VOLTAGE REGULATORS s s OUTPUT CURRENT UP TO 1.5A OUTPUT VOLTAGES OF -5; -5.2...
Datasheet PDF File 79XX PDF File

79XX
79XX

Overview
www.
DataSheet4U.
com L7900 SERIES NEGATIVE VOLTAGE REGULATORS s s OUTPUT CURRENT UP TO 1.
5A OUTPUT VOLTAGES OF -5; -5.
2; -6; -8; -9; -12; -15; -18; -20; -22; -24V THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION OUTPUT TRANSITION SOA PROTECTION s s s DESCRIPTION The L7900 series of three-terminal negative regulators is available in TO-220, TO-220FP, TO-3 and D2PAK packages and several 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; furthermore, having the same voltage option as the L7800 positive standard series, they are particularly suited for split power supplies.
In addition, the -5.
2V is also available for ECL system.
If adequate heat sinking is provided, they can deliver over 1.
5A output current.
Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.
SCHEMATIC DIAGRAM TO-220 TO-220FP D2PAK TO-3 February 2003 1/16 www.
DataSheet4U.
com L7900 SERIES ABSOLUTE MAXIMUM RATINGS Symbol VI IO Ptot Tstg Top DC Input Voltage Output Current Power Dissipation Storage Temperature Range Operating Junction Temperature Range Parameter² for VO = 5 to 18V for VO = 20, 24V Value -35 -40 Internally Limited Internally Limited -65 to 150 0 to 150 °C °C Unit V Absolute Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
THERMAL DATA Symbol Rthj-case Rthj-amb Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max Max D2PAK 3 62.
5 TO-220 3 50 TO-220FP 5 60 TO-3 4 35 Unit °C/W °C/W CONNECTION DIAGRAM (top view) TO-220 TO-220FP D2PAK TO-3 2/16 www.
DataSheet4U.
com L7900 SERIES ORDERING CODES TYPE L7905C L7952C L7906C L7908C L7912C L7915C L7918C L7920C L7922C L7924C TO-220 L7905CV L7952CV L7906CV L7908CV L...


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