データシートサーチシステム |
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LM7912 データシート(PDF) 3 Page - National Semiconductor (TI) |
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LM7912 データシート(HTML) 3 Page - National Semiconductor (TI) |
3 / 10 page Electrical Characteristics (Continued) Conditions unless otherwise noted IOUT e 500 mA CIN e 22 mF COUT e 1 mF 0 C s TJ s a125 C Power Dissipation e 15W Part Number LM7912C LM7915C Units Output Voltage b 12V b 15V Input Voltage (unless otherwise specified) b 19V b 23V Symbol Parameter Conditions Min Typ Max Min Typ Max VO Output Voltage TJ e 25 C b 115 b 120 b 125 b 144 b 150 b 156 V 5mA s IOUT s 1A b 114 b 126 b 1425 b 1575 V P s 15W (b27 s VIN s b145) (b30 s VIN s b175) V D VO Line Regulation TJ e 25 C (Note 3) 5 80 5 100 mV (b30 s VIN s b145) (b30 s VINs b175) V 3 30 3 50 mV (b22 s VIN s b16) (b26 s VIN sb20) V D VO Load Regulation TJ e 25 C (Note 3) 5mA s IOUT s 15A 15 200 15 200 mV 250 mA s IOUT s 750 mA 5 75 5 75 mV IQ Quiescent Current TJ e 25 C 15 3 15 3 mA D IQ Quiescent Current With Line 05 05 mA Change (b30 s VIN s b145) (b30 sVIN s b175) V With Load 5 mA s IOUT s 1A 05 05 mA Vn Output Noise Voltage TA e 25 C 10 Hz s f s 100 Hz 300 375 m V Ripple Rejection f e 120 Hz 54 70 54 70 dB (b25 s VIN s b15) (b30 s VINs b175) V Dropout Voltage TJ e 25 C IOUT e 1A 11 11 V IOMAX Peak Output Current TJ e 25 C 22 22 A Average Temperature IOUT e 5 mA b 08 b 10 mV C Coefficient of 0 C s TJ s 100 C Output Voltage Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur Operating Ratings indicate conditions for which the device is intended to be functional but do not guarantee Specific Performance limits For guaranteed specifications and test conditions see the Electrical Characteristics Note 2 Refer to Typical Performance Characteristics and Design Considerations for details Note 3 Regulation is measured at a constant junction temperature by pulse testing with a low duty cycle Changes in output voltage due to heating effects must be taken into account Typical Applications (Continued) Dual Trimmed Supply TLH7340 – 4 3 |
同様の部品番号 - LM7912 |
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同様の説明 - LM7912 |
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