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LM337LZ Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM337LZ Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 5 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Power Dissipation Internally Limited Input–Output Voltage Differential 40V Operating Junction Temperature Range −25˚C to +125˚C Storage Temperature −55˚C to +150˚C Lead Temperature (Soldering, 10 sec.) 300˚C Plastic Package (Soldering 4 sec.) 260˚C ESD rating to be determined. Electrical Characteristics (Note 2) Parameter Conditions Min Typ Max Units Line Regulation T A = 25˚C, 3V ≤ |VIN −VOUT| ≤ 40V, 0.01 0.04 %/V (Note 3) Load Regulation T A = 25˚C, 5 mA ≤ IOUT ≤ IMAX, (Note 3) 0.1 0.5 % Thermal Regulation T A = 25˚C, 10 ms Pulse 0.04 0.2 %/W Adjustment Pin Current 50 100 µA Adjustment Pin Current Change 5 mA ≤ I L ≤ 100 mA 0.2 5 µA 3V ≤ |V IN −VOUT| ≤ 40V Reference Voltage 3V ≤ |V IN −VOUT| ≤ 40V, (Note 4) 1.20 1.25 1.30 V 10 mA ≤ I OUT ≤ 100 mA, P ≤ 625 mW Line Regulation 3V ≤ |V IN −VOUT| ≤ 40V, (Note 3) 0.02 0.07 %/V Load Regulation 5 mA ≤ I OUT ≤ 100 mA, (Note 3) 0.3 1.5 % Temperature Stability T MIN ≤ Tj ≤ TMAX 0.65 % Minimum Load Current |V IN −VOUT| ≤ 40V 3.5 5 mA 3V ≤ |V IN −VOUT| ≤ 15V 2.2 3.5 mA Current Limit 3V ≤ |V IN −VOUT| ≤ 13V 100 200 320 mA |V IN −VOUT| = 40V 25 50 120 mA Rms Output Noise, % of V OUT T A = 25˚C, 10 Hz ≤ f ≤ 10 kHz 0.003 % Ripple Rejection Ratio V OUT = −10V, F = 120 Hz, CADJ = 065 dB C ADJ = 10 µF 66 80 dB Long-Term Stability T A = 125˚C 0.3 1 % Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. Note 2: Unless otherwise specified, these specifications apply −25˚C ≤ Tj ≤ + 125˚C for the LM337L; |VIN −VOUT| = 5V and IOUT = 40 mA. Although power dissi- pation is internally limited, these specifications are applicable for power dissipations up to 625 mW. IMAX is 100 mA. Note 3: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are cov- ered under the specification for thermal regulation. Note 4: Thermal resistance of the TO-92 package is 180˚C/W junction to ambient with 0.4" leads from a PC board and 160˚C/W junction to ambient with 0.125" lead length to PC board. The M package θJA is 180˚C/W in still air. www.national.com 2 |
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