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LM78L12 датащи(PDF) 9 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM78L12
подробное описание детали  3-Terminal Positive Regulators
PDF  14 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM78L12 датащи(HTML) 9 Page - National Semiconductor (TI)

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Typical Applications
Fixed Output Regulator
00774408
*Required if the regulator is located more than 3" from the power supply filter.
**See (Note 4) in the electrical characteristics table.
Adjustable Output Regulator
00774409
VOUT = 5V + (5V/R1 + IQ)R2
5V/R1 > 3IQ, load regulation (Lr) ≈ [(R1 + R2)/R1] (Lr of LM78L05)
Current Regulator
00774410
IOUT =(VOUT/R1) + IQ
>I
Q = 1.5mA over line and load changes
5V, 500mA Regulator with Short Circuit Protection
00774411
*Solid tantalum.
**Heat sink Q1.
***Optional: Improves ripple rejection and transient response.
Load Regulation: 0.6% 0
≤ IL ≤ 250mA pulsed with tON = 50ms.
www.national.com
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