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LM317LCPK 데이터시트(PDF) 10 Page - Texas Instruments |
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LM317LCPK 데이터시트(HTML) 10 Page - Texas Instruments |
10 / 29 page VI R1 Adjustment Output Input LM317L I limit 1.25 R1 = VO R2 = 3 kW 1N4002 R3 = 820 W −10 V C1 = 0.1 µF 35 V Adjustment Output Input LM317L R1 = 120 W 2 3 OUT REF 1 R R V V 1 10 V R æ ö + = + - ç ÷ è ø R1 = 470 W D1† 1N4002 C3 = 1 µF C2 = 10 µF R2 = 10 kW VI + + − − Adjustment Output Input LM317L VO C1 = 0.1 µF LM317L SLCS144E – JULY 2004 – REVISED OCTOBER 2014 www.ti.com 9.3 General Configurations 9.3.1 Regulator Circuit With Improved Ripple Rejection C2 helps to stabilize the voltage at the adjustment pin, which will help reject noise. Diode D1 exists to discharge C2 in case the output is shorted to ground. Figure 3. Regulator Circuit With Improved Ripple Rejection 9.3.2 0-V to 30-V Regulator Circuit In the 0-V to 30-V regulator circuit application, the output voltage is determined by Equation 4. (4) Figure 4. 0-V to 30-V Regulator Circuit 9.3.3 Precision Current-Limiter Circuit This application will limit the output current to the ILIMIT shown in Figure 5. Figure 5. Precision Current-Limiter Circuit 10 Submit Documentation Feedback Copyright © 2004–2014, Texas Instruments Incorporated Product Folder Links: LM317L |
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