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LM79M05C

National Semiconductor
Part Number LM79M05C
Manufacturer National Semiconductor
Description 3-Terminal Negative Regulators
Published Mar 22, 2005
Detailed Description LM79MXX Series 3-Terminal Negative Regulators September 2001 LM79MXX Series 3-Terminal Negative Regulators General Des...
Datasheet PDF File LM79M05C PDF File

LM79M05C
LM79M05C

Overview
LM79MXX Series 3-Terminal Negative Regulators September 2001 LM79MXX Series 3-Terminal Negative Regulators General Description The LM79MXX series of 3-terminal regulators is available with fixed output voltages of −5V, −12V, and −15V.
These devices need only one external component — a compensation capacitor at the output.
The LM79MXX series is packaged in the TO-220 power package, and is capable of supplying 0.
5A of output current.
These regulators employ internal current limiting, safe area protection, and thermal shutdown for protection against virtually all overload conditions.
Low ground pin current of the LM79MXX series allows output voltage to be easily boosted above the preset value with a resistor divider.
The low quiescent current of these devices with a specified maximum change with line and load ensures good regulation in the voltage boosted mode.
For output voltage other than −5V, −12V, and −15V the LM137 series provides an output voltage range from −1.
2V to −57V.
Features n n n n Thermal, short circuit and safe area protection High ripple rejection 0.
5A output current 4% tolerance on preset output voltage Connection Diagram 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 www.
national.
com LM79MXX Series Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
Input Voltage VO = −5V VO = −12V, −15V Input/Output Differential VO = −5V VO = −12V, −15V −25V −35V 25V 30V Power Dissipation (Note 2) Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 sec.
) ESD Susceptibility Internally Limited 0˚C to +125˚C −65˚C to +150˚C 230˚C TBD Electrical Characteristics LM79M05C Conditions unless otherwise noted: IOUT = 350mA, CIN = 2.
2µF, COUT = 1µF, 0˚C ≤ TJ ...


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