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LM140L データシート(PDF) 1 Page - Texas Instruments |
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LM140L データシート(HTML) 1 Page - Texas Instruments |
1 / 14 page LM140L, LM340L www.ti.com SNVS758B – APRIL 1998 – REVISED MARCH 2013 LM140L/LM340L Series 3-Terminal Positive Regulators Check for Samples: LM140L, LM340L 1 FEATURES The LM140LA/LM340LA are available in the low 2 • Line Regulation of 0.04%/V profile metal three lead TO (NDT) and the LM340LA • Load Regulation of 0.01%/mA are also available in the plastic TO-92 (LP). With • Output Voltage Tolerances of adequate heat sinking the regulator can deliver 100 mA output current. Current limiting is included to limit – ±2% at Tj = 25°C and ±4% Over the the peak output current to a safe value. Safe area Temperature Range (LM140LA) protection for the output transistor is provided to limit – ±3% Over the Temperature Range internal power dissipation. If internal power (LM340LA) dissipation becomes too high for the heat sinking • Output Current of 100 mA provided, the thermal shut-down circuit takes over, preventing the IC from overheating. • Internal Thermal Overload Protection • Output Transistor Safe Area Protection For applications requiring other voltages, see LM117L Data Sheet. • Internal Short Circuit Current Limit • Available in Output Voltage Options – Metal TO Low Profile Package LM140LA-5.0 5V LM340LA-5.0 5V (LM140LA/LM340LA) LM140LA-12 12V LM340LA-12 12V – Plastic TO-92 (LM340LA) LM140LA-15 15V LM340LA-15 15V DESCRIPTION The LM140L series of three terminal positive Connection Diagrams 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 output voltage tolerance (specified over the full military temperature range), higher ripple rejection, better regulation and lower quiescent current. The LM140LA regulators have ±2% VOUT specification, 0.04%/V line regulation, and 0.01%/mA load regulation. When used as a zener diode/resistor combination replacement, the Figure 1. TO Metal Can Package (NDT) LM140LA usually results in an effective output (Bottom View) 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 regulation. 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 Figure 2. TO-92 Plastic Package (LP) obtain adjustable voltages and currents. (Bottom View) 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1998–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
同様の部品番号 - LM140L |
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同様の説明 - LM140L |
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