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Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. (Note 4) Power Dissipation Internally limited Input — Output Voltage Differential 50V Operating Junction Temperature Range LM137HV −55˚C to +150˚C LM337HV 0˚C to +125˚C Storage Temperature −65˚C to +150˚C Lead Temperature (Soldering, 10 sec.) 300˚ ESD rating is to be determined. Electrical Characteristics (Note 2) Parameter Conditions LM137HV LM337HV Units Min Typ Max Min Typ Max Line Regulation T J = 25˚C, 3V ≤ |VIN−VOUT| ≤ 50V, 0.01 0.02 0.01 0.04 %/V (Note 3) I L = 10 mA Load Regulation T J = 25˚C, 10 mA ≤ IOUT ≤ IMAX 0.3 0.5 0.3 1.0 % Thermal Regulation T J = 25˚C, 10 ms Pulse 0.002 0.02 0.003 0.04 %/W Adjustment Pin Current 65 100 65 100 µA Adjustment Pin Current Change 10 mA ≤ I L ≤ IMAX 25 25 µA 3.0V ≤ |V IN−VOUT| ≤ 50V, 4 6 3 6 µA T J = 25˚ Reference Voltage T J = 25˚C, (Note 4) −1.225 −1.250 −1.275 −1.213 −1.250 −1.287 V 3V ≤ |V IN−VOUT| ≤ 50V, (Note 4) −1.200 −1.250 −1.300 −1.200 −1.250 −1.300 V 10 mA ≤ I OUT ≤ IMAX,P≤ PMAX Line Regulation 3V ≤ |V IN−VOUT| ≤ 50V, (Note 3) 0.02 0.05 0.02 0.07 %/V I L = 10 mA Load Regulation 10 mA ≤ I OUT ≤ IMAX, (Note 3) 0.3 1 0.3 1.5 % Temperature Stability T MIN ≤ Tj ≤ TMAX 0.6 0.6 % Minimum Load Current |V IN−VOUT| ≤ 50V 2.5 5 2.5 10 mA |V IN−VOUT| ≤ 10V 1.2 3 1.5 6 mA Current Limit |V IN−VOUT| ≤ 13V K Package 1.5 2.2 3.2 1.5 2.2 3.5 A H Package 0.5 0.8 1.6 0.5 0.8 1.8 A |V IN−VOUT| = 50V K Package 0.2 0.4 0.8 0.1 0.4 0.8 A H Package 0.1 0.17 0.5 0.050 0.17 0.5 A RMS Output Noise, % of V OUT T J = 25˚C, 10 Hz ≤ f ≤ 10 kHz 0.003 0.003 % Ripple Rejection Ratio V OUT = −10V, f = 120 Hz 60 60 dB C ADJ = 10 µF 66 77 66 77 dB Long-Term Stability T A = 125˚C, 1000 Hours 0.3 1 0.3 1 % Thermal Resistance, Junction H Package 12 15 12 15 ˚C/W to Case K Package 2.3 3 2.3 3 ˚C/W Thermal Resistance, Junction to Ambient H Package 140 140 ˚C/W K Package 35 35 ˚C/W 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: −55˚C ≤ Tj ≤ +150˚C for the LM137HV, 0˚C ≤ Tj ≤ +125˚C for the LM337HV; VIN−VOUT = 5V; and IOUT = 0.1A for the TO-39 package and IOUT = 0.5A for the TO-3 package. Although power dissipation is internally limited, these specifications are applicable for power dissipations of 2W for the TO-39 and 20W for the TO-3. IMAX is 1.5A for the TO-3 package and 0.2A for the TO-39 package. 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 regulations. Load regulation is measured on the output pin at a point 1⁄8" below the base of the TO-3 and TO-39 packages. Note 4: Refer to RETS137HVH drawing for LM137HVH or RETS137HVK for LM137HVK military specifications. www.national.com 2 |
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