Maker : National Semiconductor
Part No. : LM337HVK

  Datasheet PDF : LM337HVK.pdf
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Product Information

LM137HV/LM337HV 3-Terminal Adjustable Negative Regulators (High Voltage) May 1999 LM137HV/LM337HV 3-Terminal Adjustable Negative Regulators (High Voltage) General Description The LM137HV/LM337HV are adjustable 3-terminal negative voltage regulators capable of supplying in excess of −1.5A over an output voltage range of −1.2V to −47V. These regulators are exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137HV series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads. The LM137HV/LM337HV serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation. The LM137HV/LM337HV are ideal complements to the LM117HV/LM317HV adjustable positive regulators. Features n n n n n n n n n n n n n Output voltage adjustable from −1.2V to −47V 1.5A output current guaranteed, −55˚C to +150˚C Line regulation typically 0.01%/V Load regulation typically 0.3% Excellent thermal regulation, 0.002%/W 77 dB ripple rejection Excellent rejection of thermal transients 50 ppm/˚C temperature coefficient Temperature-independent current limit Internal thermal overload protection P+ Product Enhancement tested Standard 3-lead transistor package Output short circuit protected Typical Applications Adjustable Negative Voltage Regulator DS009066-1 DS009066-25 †C1 = 1 µF solid tantalum or 10 µF aluminum electrolytic required for stability. Output capacitors in the range of 1 µF to 1000 µF of aluminum or tantalum electrolytic are commonly used to provide improved output impedance and rejection of transients. *C2 = 1 µF solid tantalum is required only if regulator is more than 4" from power-supply filter capacitor. © 1999 National Semiconductor Corporation DS009066 www.national.com 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 Input — Output Voltage Differential Internally limited 50V Operating Junction Temperature Range LM137HV LM337HV Storage Temperature Lead Temperature (Soldering, 10 sec.) ESD rating is to be determined. −55˚C to +150˚C 0˚C to +125˚C −65˚C to +150˚C 300˚ Electrical Characteristics (Note 2) Parameter Line Regulation Load Regulation Thermal Regulation Adjustment Pin Current Adjustment Pin Current Change Reference Voltage 10 mA ≤ IL ≤ IMAX 3.0V ≤ |VIN−VOUT| ≤ 50V, TJ = 25˚ TJ = 25˚C, (Note 4) 3V ≤ |VIN−VOUT| ≤ 50V, (Note 4) 10 mA ≤ IOUT ≤ IMAX, P≤ PMAX Line Regulation Load Regulation Temperature Stability Minimum Load Current Current Limit 3V ≤ |VIN−VOUT| ≤ 50V, (Note 3) IL = 10 mA 10 mA ≤ IOUT ≤ IMAX, (Note 3) TMIN ≤ Tj ≤ TMAX |VIN−VOUT| ≤ 50V |VIN−VOUT| ≤ 10V |VIN−VOUT| ≤ 13V K Package H Package |VIN−VOUT| = 50V K Package RMS Output Noise, % of VOUT Ripple Rejection Ratio Long-Term Stability Thermal Resistance, Junction to Case Thermal Resistance, Junction to Ambient H Package TJ = 25˚C, 10 Hz ≤ f ≤ 10 kHz VOUT = −10V, f = 120 Hz CADJ = 10 µF TA = 125˚C, 1000 Hours H Package K Package H Package K Package 0.2 0.1 0.4 0.17 0.003 60 66 77 0.3 12 2.3 140 35 1 15 3 66 0.8 0.5 0.1 0.050 0.4 0.17 0.003 60 77 0.3 12 2.3 140 35 1 15 3 0.8 0.5 A A % dB dB % ˚C/W ˚C/W ˚C/W ˚C/W 1.5 0.5 2.2 0.8 3.2 1.6 1.5 0.5 2.2 0.8 3.5 1.8 A A 0.02 0.3 0.6 2.5 1.2 5 3 0.05 1 0.02 0.3 0.6 2.5 1.5 10 6 0.07 1.5 %/V % % mA mA Conditions Min TJ = 25˚C, 3V ≤ |VIN−VOUT| ≤ 50V, (Note 3) IL = 10 mA TJ = 25˚C, 10 mA ≤ IOUT ≤ IMAX TJ = 25˚C, 10 ms Pulse LM137HV Typ 0.01 0.3 0.002 65 2 4 Max 0.02 0.5 0.02 100 5 6 Min LM337HV Typ 0.01 ...

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