LM137JAN www.ti.com SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 LM137JAN 3-Terminal Adjustable Negative Regulators Check for Samples: LM137JAN FEATURES 1 • • 2 • • • • • • • • • • Output Voltage Adjustable from −37V to −1.2V 1.5A Output Current Specified, −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 Standard 3-lead Transistor Package Output is Short Circuit Protected DESCRIPTION The LM137 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of −1.5A over an output voltage range of −37V to −1.2V. 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 LM137 series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads. The LM137 serves a wide variety of applications including local on-card regulation, programmableoutput voltage regulation or precision current regulation. The LM137 are ideal complements to the LM117 adjustable positive regulators. Connection Diagram Case is Input Figure 1. TO-3 Metal Can Package Bottom View See Package Number K0002C Case Is Input Figure 2. TO Metal Can Package Bottom View See Package Number NDT0003A Table 1. LM137 Series Packages and Power Capability Device LM137 Package Rated Power Dissipation Design Load Current TO-3 (K) 20W 1.5A TO (NDT) 2W 0.5A 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2010–2013, Texas Instruments Incorporated LM137JAN SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 www.ti.com Typical Applications Full output current not available at high input-output voltages †C1 = 1 μF solid tantalum or 10 μF aluminum electrolytic required for stability *C2 = 1 μF solid tantalum is required only if regulator is more than 4″ from power-supply filter capacitor 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 Figure 3. Adjustable Negative Voltage Regulator 2 Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN LM137JAN www.ti.com SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) Power Dissipation (2) Internally Limited Input-Output Voltage Differential 40V Operating Ambient Temperature Range −55°C ≤ TA ≤ +125°C Operating Junction Temperature Range −55°C ≤ TJ ≤ +150°C Maximum Junction Temperature +150°C −65°C ≤ TA ≤ +150°C Storage Temperature Lead Temperature (Soldering, 10 sec.) 300°C −41.25V Minimum Input Voltage Maximum Power Dissipation (@25°C) TO–3 28 Watts TO 2.5Watts TO–3 Metal Can (Still Air) 40°C/W TO–3 Metal Can (500LF/Min Air Flow) 14°C/W TO Metal Can (Still Air @ 0.5W) 174°C/W TO Metal Can (500LF/Min Air Flow @ 0.5W) 64°C/W TO–3 4°C/W Thermal Resistance θJA θJC TO Metal Can (@ 1.0W) Package Weight (typical) 15°C/W TO–3 12,750mg TO Metal Can ESD Rating (1) (2) (3) 955mg (3) 4K Volts 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 ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature), θJA (package junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is PDmax = (TJmax - TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. Human body model, 100pF discharged through 1.5KΩ Table 2. Recommended Operating Conditions −55°C ≤ TA ≤ +125°C TA −41.25V to −4.25V Input Voltage Range Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN 3 LM137JAN SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 www.ti.com Quality Conformance Inspection Mil-Std-883, Method 5005 — Group A Subgroup Description Temp (°C) 1 Static tests at +25 2 Static tests at +125 3 Static tests at -55 4 Dynamic tests at +25 5 Dynamic tests at +125 6 Dynamic tests at -55 7 Functional tests at +25 8A Functional tests at +125 8B Functional tests at -55 9 Switching tests at +25 10 Switching tests at +125 11 Switching tests at -55 LM137H Electrical Characteristics DC Parameters Symbol Parameter Conditions VIN = -4.25V, IL = 5mA VIN = -4.25V, IL = 500mA VOUT Output Voltage VIN = -41.25V, IL = 5mA Line Regulation VR Load Load Regulation VRth Thermal Regulation Subgroups Min Max Units -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 -1.275 -1.225 V 1 2, 3 -1.3 -1.2 V -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 VIN = -41.25V to -4.25V, IL = 5mA -9.0 9.0 mV 1 -23 23 mV 2, 3 VIN = -6.25V, IL = 5mA to 500mA -12 12 mV 1 -24 24 mV 2, 3 -6.0 6.0 mV 1 -12 12 mV 2, 3 VIN = -6.25V, IL = 5mA to 200mA -6.0 6.0 mV 1 -12 12 mV 2, 3 VIN = -14.6V, IL = 500mA -5.0 5.0 mV 1 VIN = -4.25V, IL = 5mA 25 100 µA 1, 2, 3 VIN = -41.25V, IL = 5mA 25 100 µA 1, 2, 3 VIN = -41.25V, IL = 50mA VR Line Notes VIN = -41.25V, IL = 5mA to 50mA IAdj Adjust Pin Current ΔIAdj / VLine Adjust Pin Current Change vs. Line Voltage VIN = -41.25V to -4.25V, IL = 5mA -5.0 5.0 µA 1, 2, 3 ΔIAdj / ILoad Adjust Pin Current Change vs. Load Current VIN = -6.25V, IL = 5mA to 500mA -5.0 5.0 µA 1, 2, 3 IOS Output Short Circuit Current VIN = -4.25V 0.5 1.8 A 1, 2, 3 VIN = -40V 0.05 0.5 A 1, 2, 3 -1.275 -1.225 V 1 2, 3 VIN = -4.25V VOUT Recovery Output Voltage Recovery After Output Short Circuit Current VIN = -40V 4 Submit Documentation Feedback -1.3 -1.2 V -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN LM137JAN www.ti.com SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 LM137H Electrical Characteristics DC Parameters (continued) Symbol Parameter IQ Minimum Load Current Min Max Units Subgroups VIN = -4.25V 0.2 3.0 mA 1, 2, 3 VIN = -14.25V 0.2 3.0 mA 1, 2, 3 1, 2, 3 Conditions Notes VIN = -41.25V VStart Voltage Start-up VIN = -4.25V, IL = 500mA VOUT Output Voltage VIN = -6.25V, IL = 5mA (No Subgroup) (1) (1) 1.0 5.0 mA -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 -1.3 -1.2 V Tested at +125°C ; correlated to +150°C LM137H Electrical Characteristics A Parameters Symbol Parameter Conditions ΔVIN / ΔVOUT Ripple Rejection VIN = -6.25V, IL = 125mA, eI = 1VRMS at 2400Hz VNO Notes Min Max 48 Units Subgroups dB 4 Output Noise Voltage VIN = -6.25V, IL = 50mA 120 µVRMS ΔVOUT / ΔVIN Line Transient Response VIN = -6.25V, VPulse = -1V, IL = 50mA 80 mV/V 7 ΔVOUT / ΔIL Load Transient Response 60 mV 7 (1) VIN = -6.25V, IL = 50mA, ΔIL = 200mA (1) Slash sheet limit of 0.3mV/mA is equivalent to 60mV Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN 5 LM137JAN SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 www.ti.com LM137H Electrical Characteristics DC Parameters: Drift Values Delta calculations performed on JAN S devices at group B, subgroup 5 only. Symbol Parameter VOUT Output Voltage VR Line Line Regulation IAdj Adjust Pin Current Min Max Units Subgroups VIN = -4.25V, IL = 5mA -0.01 0.01 V 1 VIN = -4.25V, IL = 500mA -0.01 0.01 V 1 VIN = -41.25V, IL = 5mA -0.01 0.01 V 1 VIN = -41.25V, IL = 50mA -0.01 0.01 V 1 VIN = 41.25V to -4.25V, IL = 5mA -4.0 4.0 mV 1 VIN = -4.25V, IL = 5mA -10 10 µA 1 VIN = -41.25V, IL = 5mA -10 10 µA 1 Conditions Notes LM137K Electrical Characteristics DC Parameters Symbol Parameter Conditions Notes VIN = -4.25V, IL = 5mA VIN = -4.25V, IL = 1.5A VOUT Output Voltage VIN = -41.25V, IL = 5mA VIN = -41.25V, IL = 200mA VR Line Line Regulation -41.25V ≤ VIN ≤ -4.25V, IL = 5mA Load Regulation Max Units -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 -1.275 -1.225 V 1 2, 3 -1.3 -1.2 V -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 -9.0 9.0 mV 1 2, 3 -23 23 mV -6.0 6.0 mV 1 -12 12 mV 2, 3 VIN = -41.25V, IL = 5mA to 200mA -6.0 6.0 mV 1 -12 12 mV 2, 3 VIN = -14.6V, IL = 1.5A -5.0 5.0 mV 1 VIN = -4.25V, IL = 5mA 25 100 µA 1, 2, 3 VIN = -41.25V, IL = 5mA 25 100 µA 1, 2, 3 VIN = -6.25V, IL = 5mA to 1.5A VR Load Subgroups Min VRth Thermal Regulation IAdj Adjust Pin Current ΔIAdj / VLine Adjust Pin Current Change vs. Line Voltage -41.25V ≤ VIN ≤ -4.25, IL = 5mA -5.0 5.0 µA 1, 2, 3 ΔIAdj / ILoad Adjust Pin Current Change vs. Load Current VIN = -6.25V, IL = 5mA to 1.5A -5.0 5.0 µA 1, 2, 3 IOS Output Short Circuit Current VIN = -4.25V 1.5 3.5 A 1, 2, 3 1, 2, 3 VIN = -40V VIN = -4.25V VOUT Recovery Output Voltage Recovery VIN = -40V IQ Minimum Load Current Voltage Start-up VOUT Output Voltage (1) 6 1.0 A -1.225 V 1 -1.3 -1.2 V 2, 3 -1.275 -1.225 V 1 -1.3 -1.2 V 2, 3 VIN = -4.25V 0.2 3.0 mA 1, 2, 3 VIN = -14.25V 0.2 3.0 mA 1, 2, 3 1, 2, 3 VIN = -41.25V VStart 0.2 -1.275 1.0 5.0 mA VIN = 4.25V, IL = 1.5A -1.275 -1.225 V 1 VIN = 4.25V, IL = 1.5A -1.3 -1.2 V 2, 3 -1.3 -1.2 V VIN = -6.25V, IL = 5mA No Subgroup (1) Tested at +125°C ; correlated to +150°C Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN LM137JAN www.ti.com SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 LM137K Electrical Characteristics AC Parameters Symbol Parameter Conditions Notes Min Max Units Subgroups dB 4 ΔVIN /ΔVOUT Ripple Rejection VIN = -6.25V, IL = 500mA, eI = 1VRMS at 2400Hz VNO Output Noise Voltage VIN = -6.25V, IL = 100mA 120 µVRMS ΔVOUT / ΔVIN Line Transient Response VIN = -6.25V, IL = 100mA, VPulse = -1V 80 mV/V 7 ΔVOUT / ΔIL Load Transient Response VIN = -6.25V, IL = 100mA, ΔIL = 400mA 60 mV 7 Min Max Units Subgroups (1) 50 (1) Slash sheet limit of 0.15mV/mA is equivalent to 60mV LM137K Electrical Characteristics DC Parameters: Drift Values Delta calculations performed on JAN S devices at group B, subgroup 5 only. Symbol Parameter Conditions Notes VOUT Output Voltage VIN = -4.25V, IL = 5mA -0.01 0.01 V 1 VR line Line Regulation VIN = -41.25V to -4.25, IL = 5mA -4.0 4.0 mV 1 IAdj Adjust Pin Current VIN = -41.25V, IL = 5mA -10 10 µA 1 Schematic Diagram Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN 7 LM137JAN SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 www.ti.com Thermal Regulation When power is dissipated in an IC, a temperature gradient occurs across the IC chip affecting the individual IC circuit components. With an IC regulator, this gradient can be especially severe since power dissipation is large. Thermal regulation is the effect of these temperature gradients on output voltage (in percentage output change) per Watt of power change in a specified time. Thermal regulation error is independent of electrical regulation or temperature coefficient, and occurs within 5 ms to 50 ms after a change in power dissipation. Thermal regulation depends on IC layout as well as electrical design. The thermal regulation of a voltage regulator is defined as the percentage change of VOUT, per Watt, within the first 10 ms after a step of power is applied. The LM137's specification is 0.02%/W, max. LM137, VOUT = −10V VIN − VOUT = −40V IIL = 0A → 0.25A → 0A Vertical sensitivity, 5 mV/div Figure 4. In Figure 4, a typical LM137's output drifts only 3 mV (or 0.03% of VOUT = −10V) when a 10W pulse is applied for 10 ms. This performance is thus well inside the specification limit of 0.02%/W × 10W = 0.2% max. When the 10W pulse is ended, the thermal regulation again shows a 3 mV step as the LM137 chip cools off. Note that the load regulation error of about 8 mV (0.08%) is additional to the thermal regulation error. In Figure 5, when the 10W pulse is applied for 100 ms, the output drifts only slightly beyond the drift in the first 10 ms, and the thermal error stays well within 0.1% (10 mV). LM137, VOUT = −10V VIN − VOUT = −40V IL = 0A → 0.25A → 0A Horizontal sensitivity, 20 ms/div Figure 5. 8 Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN LM137JAN www.ti.com SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 Typical Applications Full output current not available at high input-output voltages *The 10 μF capacitors are optional to improve ripple rejection Figure 6. Adjustable Lab Voltage Regulator Figure 7. Current Regulator *When CL is larger than 20 μF, D1 protects the LM137 in case the input supply is shorted **When C2 is larger than 10 μF and −VOUT is larger than −25V, D2 protects the LM137 in case the output is shorted Figure 8. Negative Regulator with Protection Diodes Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN 9 LM137JAN SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 www.ti.com *Minimum output ≃ −1.3V when control input is low Figure 9. −5.2V Regulator with Electronic Shutdown* Figure 10. Adjustable Current Regulator Figure 11. High Stability −10V Regulator 10 Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN LM137JAN www.ti.com SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 Typical Performance Characteristics (H & K Packages) Load Regulation Current Limit Figure 12. Figure 13. Adjustment Current Dropout Voltage Figure 14. Figure 15. Temperature Stability Minimum Operating Current Figure 16. Figure 17. Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN 11 LM137JAN SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics (continued) (H & K Packages) 12 Ripple Rejection Ripple Rejection Figure 18. Figure 19. Ripple Rejection Output Impedance Figure 20. Figure 21. Line Transient Response Load Transient Response Figure 22. Figure 23. Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN LM137JAN www.ti.com SNVS332B – DECEMBER 2010 – REVISED MARCH 2013 REVISION HISTORY Date Released Revision Section Changes 12/08/2010 A New Release, Corporate format 2 MDS data sheets converted into one Corp. data sheet format. MJLM137-H Rev. 0A0, MJLM137-K Rev. 0A0. MDS data sheets will be archived. 03/20/2013 A All Changed layout of National Data Sheet to TI format Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LM137JAN 13 PACKAGE OPTION ADDENDUM www.ti.com 11-Apr-2013 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish (2) MSL Peak Temp Op Temp (°C) (3) Top-Side Markings (4) JL137BXA ACTIVE TO NDT 3 20 TBD Call TI Call TI -55 to 150 JL137BXA JM38510/11803BXA Q ACO JM38510/11803BXA Q >T JL137SYA ACTIVE TO K 2 50 TBD Call TI Call TI -55 to 150 JL137SYA Q JM38510/ 11804SYA ACO 11804SYA >T JM38510/11803BXA ACTIVE TO NDT 3 20 TBD Call TI Call TI -55 to 150 JL137BXA JM38510/11803BXA Q ACO JM38510/11803BXA Q >T JM38510/11804SYA ACTIVE TO K 2 50 TBD Call TI Call TI -55 to 150 JL137SYA Q JM38510/ 11804SYA ACO 11804SYA >T M38510/11803BXA ACTIVE TO NDT 3 20 TBD Call TI Call TI -55 to 150 JL137BXA JM38510/11803BXA Q ACO JM38510/11803BXA Q >T M38510/11803BXX ACTIVE TO NDT 3 20 TBD Call TI Call TI -55 to 150 JL137BXA JM38510/11803BXA Q ACO JM38510/11803BXA Q >T M38510/11804SYA ACTIVE TO K 2 50 TBD Call TI Call TI -55 to 150 JL137SYA Q JM38510/ 11804SYA ACO 11804SYA >T (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. Addendum-Page 1 Samples PACKAGE OPTION ADDENDUM www.ti.com 11-Apr-2013 OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) Multiple Top-Side Markings will be inside parentheses. Only one Top-Side Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Top-Side Marking for that device. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. 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All linear dimensions are in millimeters. Dimensions in parenthesis are for reference only. Dimensioning and tolerancing per ASME Y14.5M. 2. This drawing is subject to change without notice. 3. Leads not to be bent greater than 15º www.ti.com MECHANICAL DATA NDT0003A H03A (Rev D) www.ti.com IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All semiconductor products (also referred to herein as “components”) are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. 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