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LM7912CT bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI) |
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LM7912CT bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI) |
2 / 10 page Absolute Maximum Ratings (Note 1) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Input Voltage (Vo eb5V) b 25V (Vo eb12V and b15V) b 35V Input-Output Differential (Vo eb5V) 25V (Vo eb12V and b15V) 30V Power Dissipation (Note 2) Internally Limited Operating Junction Temperature Range 0 Cto a125 C Storage Temperature Range b 65 Cto a150 C Lead Temperature (Soldering 10 sec) 230 C Electrical Characteristics 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 s 15W Part Number LM7905C Units Output Voltage b 5V Input Voltage (unless otherwise specified) b 10V Symbol Parameter Conditions Min Typ Max VO Output Voltage TJ e 25 C b 48 b 50 b 52 V 5mA s IOUT s 1A b 475 b 525 V P s 15W (b20 s VIN s b7) V D VO Line Regulation TJ e 25 C (Note 3) 8 50 mV (b25 s VIN s b7) V 215 mV (b12 s VIN s b8) V D VO Load Regulation TJ e 25 C (Note 3) 5mA s IOUT s 15A 15 100 mV 250 mA s IOUT s 750 mA 5 50 mV IQ Quiescent Current TJ e 25 C1 2 mA D IQ Quiescent Current With Line 05 mA Change (b25 s VIN s b7) V With Load 5 mA s IOUT s 1A 05 mA Vn Output Noise Voltage TA e 25 C 10 Hz s f s 100 Hz 125 m V Ripple Rejection f e 120 Hz 54 66 dB (b18 s VIN s b8) V Dropout Voltage TJ e 25 C IOUT e 1A 11 V IOMAX Peak Output Current TJ e 25 C 22 A Average Temperature IOUT e 5 mA 04 mV C Coefficient of 0 C s TJ s 100 C Output Voltage Typical Applications (Continued) Variable Output TLH7340 – 2 Improves transient response and ripple rejection Do not increase beyond 50 mF VOUT e VSET R1aR2 R2 J Select R2 as follows LM7905CT 300X LM7912CT 750X LM7915CT 1k 2 |
Số phần tương tự - LM7912CT |
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Mô tả tương tự - LM7912CT |
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