LM7912CT National Semiconductor, LM7912CT Datasheet
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LM7912CT
Specifications of LM7912CT
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LM7912CT 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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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage (V = −5V −12V and −15V) o Electrical Characteristics Conditions unless otherwise noted: I Part Number Output Voltage Input Voltage (unless otherwise specified) ...
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Electrical Characteristics Conditions unless otherwise noted: I OUT Part Number Output Voltage Input Voltage (unless otherwise specified) Symbol Parameter I Quiescent Current Q I Quiescent Current Q Change V Output Noise Voltage n Ripple Rejection Dropout Voltage I Peak Output ...
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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 ...
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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 ...