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LM140LAH-15 データシート(PDF) 1 Page - National Semiconductor (TI) |
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LM140LAH-15 データシート(HTML) 1 Page - National Semiconductor (TI) |
1 / 6 page TLH7782 February 1995 LM140LLM340L Series 3-Terminal Positive Regulators General Description The LM140L series of three terminal positive regulators is available with several fixed output voltages making them useful in a wide range of applications The LM140LA is an improved version of the LM78LXX series with a tighter out- put voltage tolerance (specified over the full military temper- ature range) higher ripple rejection better regulation and lower quiescent current The LM140LA regulators have g 2% VOUT specification 004%V line regulation and 001%mA load regulation When used as a zener diodere- sistor combination replacement the LM140LA usually re- sults in an effective output impedance improvement of two orders of magnitude and lower quiescent current These regulators can provide local on card regulation eliminating the distribution problems associated with single point regu- lation The voltages available allow the LM140LA to be used in logic systems instrumentation Hi-Fi and other solid state electronic equipment Although designed primarily as fixed voltage regulators these devices can be used with external components to obtain adjustable voltages and currents The LM140LALM340LA are available in the low profile metal three lead TO-39 (H) and the LM340LA are also avail- able in the plastic TO-92 (Z) With adequate heat sinking the regulator can deliver 100 mA output current Current limiting is included to limit the peak output current to a safe value Safe area protection for the output transistor is provided to limit internal power dissipation If internal power dissipation becomes too high for the heat sinking provided the thermal shut-down circuit takes over preventing the IC from over- heating For applications requiring other voltages see LM117L Data Sheet Features Y Line regulation of 004%V Y Load regulation of 001%mA Y Output voltage tolerances of g2% at Tj e 25 C and g 4% over the temperature range (LM140LA) g 3% over the temperature range (LM340LA) Y Output current of 100 mA Y Internal thermal overload protection Y Output transistor safe area protection Y Internal short circuit current limit Y Available in metal TO-39 low profile package (LM140LALM340LA) and plastic TO-92 (LM340LA) Output Voltage Options LM140LA-50 5V LM340LA-50 5V LM140LA-12 12V LM340LA-12 12V LM140LA-15 15V LM340LA-15 15V Connection Diagrams TO-39 Metal Can Package (H) TLH7782 – 2 Bottom View Order Number LM140LAH-50 LM140LAH-50883 LM140LAH-12 LM140LAH-12883 LM140LAH-15 LM140LAH-15883 LM340LAH-50 LM340LAH-12 or LM340LAH-15 See NS Package Number H03A TO-92 Plastic Package (Z) TLH7782 – 3 Bottom View Order Number LM340LAZ-50 LM340LAZ-12 or LM340LAZ-15 See NS Package Number Z03A C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
同様の部品番号 - LM140LAH-15 |
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同様の説明 - LM140LAH-15 |
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