lm7915c National Semiconductor Corporation, lm7915c Datasheet
lm7915c
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lm7915c Summary of contents
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... Connection Diagrams TO-220 Package Front View Order Number LM7905CT, LM7912CT or LM7915CT See NS Package Number TO3B © 2001 National Semiconductor Corporation resistor divider. The low quiescent current drain of these devices with a specified maximum change with line and load ensures good regulation in the voltage boosted mode ...
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... V − 100 0.5 (−25 V −7) IN 0.5 125 54 66 (−18 V −8) IN 1.1 2.2 0.4 T +125˚C, Power Dissipation J LM7912C LM7915C −12V −15V −19V −23V Typ Max Min Typ Max −14.4 −15.0 −15.6 −12.6 −14.25 −15.75 V −14.5) (−30 V −17. 100 V −14.5) (−30 V − ...
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... Junction-to-Case Thermal Resistance JC = Case-to-Ambient Thermal Resistance CA = Case-to-Heat Sink Thermal Resistance CS = Heat Sink-to-Ambient Thermal Resistance SA Typ Max JA JA ˚C/W ˚C +125˚C, Power Dissipation J LM7912C LM7915C −12V −15V −19V −23V Typ Max Min Typ Max 15 200 15 200 1 ...
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Typical Applications Bypass capacitors are necessary for stable operation of the LM79XX series of regulators over the input voltage and output current ranges. Output bypass capacitors will improve the transient response by the regulator. The bypass capacitors, (2.2µF on the ...
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... Necessary only if raw supply filter capacitor is more that 2" from LM7905 *Improves transient response and ripple rejection. Do not increase beyond 50 µF. Select R2 as follows: LM7905CT 300 LM7912CT 750 LM7915CT 1k Light Controller Using Silicon Photo Cell High-Sensitivity Light Controller Variable Output 5 DS007340-8 ...
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Typical Applications (Continued) Load Regulation Output Ripple 3000µ Temperature Stability Output Noise 10Hz f 10kHz *Resistor tolerance of R4 and R5 determine matching of (+) and (−) outputs. ...
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Schematic Diagrams 7 www.national.com ...
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Schematic Diagrams www.national.com (Continued) 8 ...
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... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) unless otherwise noted TO-220 Outline Package (T) Order Number LM7905CT, LM7912CT or LM7915CT NS Package Number T03B 2. A critical component is any component of a life ...