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LM320T-12 Fiches technique(PDF) 7 Page - National Semiconductor (TI) |
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LM320T-12 Fiches technique(HTML) 7 Page - National Semiconductor (TI) |
7 / 12 page Typical Applications (Continued) Wide Range Tracking Regulator TLH7767 – 7 Resistor tolerance of R1 and R2 determine matching of (a) and (b) inputs Necessary only if raw supply capacitors are more than 3 from regulators An LM3086N array may substitute for Q1 D1 and D2 for better stability and tracking In the array diode transistors Q5 and Q4 (in parallel) make up D2 similarly Q1 and Q2 become D1 and Q3 replaces the 2N2222 Variable Output TLH7767 – 9 Optional Improves transient response and ripple rejection VOUT e VSET R1aR2 R2 SELECT R2 AS FOLLOWS LM120-5 b 300X LM120-12 b 750X LM120-15 b 1k Current Source IOUT e 1mA a 50V R1 TLH7767 – 8 g 15V 1 Amp Tracking Regulators TLH7767 – 12 Performance (Typical) Load Regulation at DIL e 1A 10 mV 1 mV Output Ripple CIN e 3000 mF IL e 1A 100 mVrms 100 mVrms Temperature Stability a 50 mV a 50 mV Output Noise 10 Hz s f s 10 kHz 150 mVrms 150 mVrms Resistor tolerance of R4 and R5 determine matching of (a) and (b) outputs Necessary only if raw supply filter capacitors are more than 2 from regulators Light Controllers Using Silicon Photo Cells TLH7767 – 10 Lamp brightness increases until iI e 5VR1 (iI can be set as low as 1 mA) Necessary only of raw supply filter capacitor is more than 2 from LM320MP TLH7767 – 11 Lamp brightness increases until iI eiQ (1 mA) a 5VR1 Necessary only if raw supply filter capacitor is more than 2 from LM320 7 |
Numéro de pièce similaire - LM320T-12 |
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Description similaire - LM320T-12 |
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