Part # LM79M12 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: LM79MXX Series 3-Terminal Negative Regulators

Part Details:

LM79MXX September 2001 LM79MXX Series Series 3-Terminal Negative RegulatorsGeneral Description a resistor divider. The low quiescent current of these deviceswith a specified maximum change with line and load ensures 3-T The LM79MXX series of 3-terminal regulators is available good regulation in the voltage boosted mode. with fixed output voltages of -5V, -12V, and -15V. These For output voltage other than -5V, -12V, and -15V the devices need only one external component -- a compensa- erminal LM137 series provides an output voltage range from -1.2V tion capacitor at the output. The LM79MXX series is pack- to -57V. aged in the TO-220 power package, and is capable of sup-plying 0.5A of output current. Features These regulators employ internal current limiting, safe areaprotection, and thermal shutdown for protection against vir- n Thermal, short circuit and safe area protection Negative tually all overload conditions. n High ripple rejection Low ground pin current of the LM79MXX series allows out- n 0.5A output current put voltage to be easily boosted above the preset value with n 4% tolerance on preset output voltage Connection Diagram Regulators TO-220 Plastic Package (T) DS010483-7 Front View Order Number LM79M05CT, LM79M12CT or LM79M15CT See NS Package Number T03B © 2001 National Semiconductor Corporation DS010483 Absolute Maximum Ratings (Note 1) Series If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/ Power Dissipation (Note 2) Internally Limited Distributors for availability and specifications. Operating Junction Temperature Range 0°C to +125°C Input Voltage Storage Temperature Range -65°C to +150°C LM79MXX V = -5V -25V O

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LM79M12.pdf Datasheet