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LM237 Scheda tecnica(PDF) 5 Page - Texas Instruments |
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LM237 Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 17 page www.ti.com APPLICATION INFORMATION C1 + C2 R1 R2 + INPUT OUTPUT ADJUSTMENT LM237 or LM337 VO VI C1 is a 1- µF solid tantalum capacitor required only if the regulator is more than 10 cm (4 in) from the power-supply filter capacitor. C2 is a 1- µF solid tantalum or 10-µF aluminum electrolytic capacitor required for stability. R2 + R1 –V O –1..25 * 1 R1 typically is 120 Ω. , where VO is the output in volts. ADJUSTMENT OUTPUT INPUT VI RS VO LM237 or LM337 RS = 1.25 V ILIMIT LM237, LM337 3-TERMINAL ADJUSTABLE REGULATORS SLVS047J – NOVEMBER 1981 – REVISED MAY 2007 Figure 1. Adjustable Negative-Voltage Regulator Figure 2. Current-Limiting Circuit 5 Submit Documentation Feedback |
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