LM317L SLCS144D - JULY 2004 - REVISED OCTOBER 2011 www.ti.com 3-TERMINAL ADJUSTABLE REGULATOR Check for Samples: LM317L FEATURES 1 * * * Output Voltage Range Adjustable 1.2 V to 32 V When Used With External Resistor Divider Output Current Capability of 100 mA Input Regulation Typically 0.01% Per Input-Voltage Change * * * Output Regulation Typically 0.5% Ripple Rejection Typically 80 dB For Higher Output Current Requirements, See LM317M (500 mA) and LM317 (1.5 A) D PACKAGE (TOP VIEW) INPUT OUTPUT OUTPUT ADJUSTMENT 1 8 2 7 3 6 4 5 PW PACKAGE (TOP VIEW) NC OUTPUT OUTPUT NC NC - No internal connection OUTPUT terminals are all internally connected. LP PACKAGE (TOP VIEW) INPUT INPUT NC NC ADJUSTMENT 1 8 2 7 3 6 4 5 NC NC OUTPUT NC NC - No internal connection PK PACKAGE (TOP VIEW) INPUT OUTPUT OUTPUT ADJUSTMENT ADJUSTMENT DESCRIPTION/ORDERING INFORMATION The LM317L is an adjustable three-terminal positive-voltage regulator capable of supplying 100 mA over an output-voltage range of 1.2 V to 32 V. It is exceptionally easy to use and requires only two external resistors to set the output voltage. In addition to higher performance than fixed regulators, this regulator offers full overload protection, available only in integrated circuits. Included on the chip are current-limiting and thermal-overload protection. All overload-protection circuitry remains fully functional even when ADJUSTMENT is disconnected. Normally, no capacitors are needed unless the device is situated far from the input filter capacitors, in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. ADJUSTMENT can be bypassed to achieve very high ripple rejection, which is difficult to achieve with standard three-terminal regulators. In addition to replacing fixed regulators, the LM317L regulator is useful in a wide variety of other applications. Since the regulator is floating and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input-to-output differential is not exceeded. Its primary application is that of a programmable output regulator, but by connecting a fixed resistor between ADJUSTMENT and OUTPUT, this device can be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping ADJUSTMENT to ground, programming the output to 1.2 V, where most loads draw little current. The LM317LC is characterized for operation over the virtual junction temperature range of 0C to 125C. The LM317LI is characterized for operation over the virtual junction temperature range of -40C to 125C. 1 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. 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 (c) 2004-2011, Texas Instruments Incorporated LM317L SLCS144D - JULY 2004 - REVISED OCTOBER 2011 www.ti.com Table 1. ORDERING INFORMATION (1) PACKAGE (2) TJ SOIC - D SOT-89 - PK 0C to 125C TO-226/TO-92 - LP TSSOP - PW SOIC - D SOT-89 - PK -40C to 125C TO-226/TO-92 - LP TSSOP - PW (1) (2) ORDERABLE PART NUMBER Tube of 75 LM317LCD Reel of 2500 LM317LCDR Reel of 1000 LM317LCPK Bulk of 1000 LM317LCLP Reel of 2000 LM317LCLPR Tube of 150 LM317LCPW Reel of 2000 LM317LCPWR Tube of 75 LM317LID Reel of 2500 LM317LIDR Reel of 1000 LM317LIPK Bulk of 1000 LM317LILP Reel of 2000 LM317LILPR Tube of 150 LM317LIPW Reel of 2000 LM317LIPWR TOP-SIDE MARKING L317LC LA L317LC L317LC L317LI LB L317LI L317LI For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at www.ti.com. Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. INPUT 310 310 190 251 W 5.6 k 2.1 k 200 k 11.5 k 124 1.4 2.12 k 30 pF 195 360 5.3 k 5.7 k 70 5.1 k 30 pF 10.8 k 40 670 OUTPUT ADJUSTMENT NOTE A: All component values shown are nominal. 2 Submit Documentation Feedback Copyright (c) 2004-2011, Texas Instruments Incorporated Product Folder Link(s): LM317L LM317L SLCS144D - JULY 2004 - REVISED OCTOBER 2011 www.ti.com Absolute Maximum Ratings (1) over operating temperature range (unless otherwise noted) MIN Vl - VO Input-to-output differential voltage TJ Operating virtual-junction temperature Tstg Storage temperature range (1) (2) (3) (4) UNIT 35 Package thermal impedance (2) JA MAX D package (3) 97.1 LP package (3) 139.5 PK package (4) 51.5 PW package (3) 149.4 -65 V C/W 150 C 150 C Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. Maximum power dissipation is a function of TJ(max), JA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) - TA)/JA. Operating at the absolute maximum TJ of 150C can affect reliability. The package thermal impedance is calculated in accordance with JESD 51-7. The package thermal impedance is calculated in accordance with JESD 51-5. Recommended Operating Conditions MIN VI - VO Input-to-output voltage differential IO Output current TJ LM317LC Operating virtual-junction temperature LM317LI MAX UNIT 35 V 2.5 100 mA 0 125 -40 125 C Electrical Characteristics over recommended operating virtual-junction temperature range (unless otherwise noted) TEST CONDITIONS (1) PARAMETER Input voltage regulation (2) VI - VO = 5 V to 35 V VO = 10 V, Ripple regulation TYP MAX TJ = 25C MIN 0.01 0.02 IO = 2.5 mA to 100 mA 0.02 0.05 f = 120 Hz 66 dB 80 VI = 5 V to 35 V, TJ = 25C, IO = 2.5 mA to 100 mA, VO 5 V 25 mV VO 5 V 5 mV/V VI = 5 V to 35 V, IO = 2.5 mA to 100 mA VO 5 V 50 mV VO 5 V 10 mV/V Output voltage change with temperature TJ = 0C to 125C Output voltage long-term drift After 1000 hours at TJ = 125C and VI - VO = 35 V Output noise voltage f = 10 Hz to 10 kHz, Minimum output current to maintain regulation VI - VO = 35 V Peak output current VI - VO 35 V 10 3 TJ = 25C mV/V 10 1.5 100 Change in ADJUSTMENT current VI - VO = 2.5 V to 35 V, IO = 2.5 mA to 100 mA Reference voltage (output to ADJUSTMENT) VI - VO = 5 V to 35 V, P rated dissipation IO = 2.5 mA to 100 mA, 1.2 mV/V V/V 30 ADJUSTMENT current (2) %V 65 VO = 10 V, 10-F capacitor between ADJUSTMENT and ground Output voltage regulation (1) UNIT 2.5 200 mA mA 50 100 A 0.2 5 A 1.25 1.3 V Unless otherwise noted, these specifications apply for the following test conditions: VI - VO = 5 V and IO = 40 mA. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible. All characteristics are measured with a 0.1-F capacitor across the input and a 1-F capacitor across the output. Input voltage regulation is expressed here as the percentage change in output voltage per 1-V change at the input. Submit Documentation Feedback Copyright (c) 2004-2011, Texas Instruments Incorporated Product Folder Link(s): LM317L 3 LM317L SLCS144D - JULY 2004 - REVISED OCTOBER 2011 www.ti.com APPLICATION INFORMATION LM317L VI Input LM317L VO (see Note B) Output Adjustment R1 470 C1 = 0.1 F (see Note A) 35 V Input Adjustment C2 = 1 F (see Note C) VO (see Note A) Output R1 = 120 -10 V C1 = 0.1 F R3 = 820 R2 R2 = 3 k 1N4002 NOTES: A. Use of an input bypass capacitor is recommended if regulator is far from the filter capacitors. B. Output voltage is calculated from the equation: VO + Vref 1 ) R2 R1 where: Vref equals the difference between OUTPUT and ADJUSTMENT voltages (1.25 V). C. Use of an output capacitor improves transient response, but is optional. NOTE A: Output voltage is calculated from the equation: VO + Vref 1 ) R2 ) R3 * 10 V R1 where: Vref equals the difference between OUTPUT and ADJUSTMENT voltages (1.25 V). Figure 1. Adjustable Voltage Regulator Figure 2. 0-V to 30-V Regulator Circuit LM317L VI Input VO (see Note A) Output D1 1N4002 R1 = 470 Adjustment C1 = 0.1 F + R2 = 10 k + - C2 = 10 F - C3 = 1 F LM317L VI Input Adjustment D1 discharges C2 if output is shorted to ground. NOTE A: Use of an output capacitor improves transient response, but is optional. Figure 3. Regulator Circuit With Improved Ripple Rejection LM317L VI R1 = 470 Output Input VO = 15 V Output Adjustment Adjustment Input R1 Ilimit + 1.25 R1 Figure 4. Precision Current-Limiter Circuit R2 = 1.5 k VI Output R1 = 470 1N4002 LM317L LM317L Input C1 = 0.1 F VO Output Adjustment C2 = 1 F R2 = 5.1 k Output Adjust Figure 5. Tracking Preregulator Circuit 4 R3 = 50 k R3 = 240 R4 = 2 k 2N2905 C1 = 25 F Figure 6. Slow-Turnon 15-V Regulator Circuit Submit Documentation Feedback Copyright (c) 2004-2011, Texas Instruments Incorporated Product Folder Link(s): LM317L LM317L SLCS144D - JULY 2004 - REVISED OCTOBER 2011 www.ti.com LM317L VI Input Output Adjustment 240 LM317L VI Input 1.1 k 24 ICHG Output Adjustment VBE R+ VBE I CHG V- Figure 7. 50-mA Constant-Current Battery-Charger Circuit Figure 8. Current-Limited 6-V Charger TIP73 2N2905 VI 500 5 k LM317L 22 Input Output VO Adjustment 120 1N4002 10 F 5 k 47 F RL 10 F Minimum load current is 30 mA. Optional capacitor improves ripple rejection. Figure 9. High-Current Adjustable Regulator Submit Documentation Feedback Copyright (c) 2004-2011, Texas Instruments Incorporated Product Folder Link(s): LM317L 5 PACKAGE OPTION ADDENDUM www.ti.com 12-Nov-2007 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty LM317LCD ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCDE4 ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCDG4 ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCDR ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCDRE4 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCDRG4 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCLP ACTIVE TO-92 LP 3 1000 Pb-Free (RoHS) CU SN N / A for Pkg Type LM317LCLPE3 ACTIVE TO-92 LP 3 1000 Pb-Free (RoHS) CU SN N / A for Pkg Type LM317LCLPR ACTIVE TO-92 LP 3 2000 Pb-Free (RoHS) CU SN N / A for Pkg Type LM317LCLPRE3 ACTIVE TO-92 LP 3 2000 Pb-Free (RoHS) CU SN N / A for Pkg Type LM317LCPK ACTIVE SOT-89 PK 3 1000 Green (RoHS & no Sb/Br) CU SN Level-2-260C-1 YEAR LM317LCPKG3 ACTIVE SOT-89 PK 3 1000 Green (RoHS & no Sb/Br) CU SN Level-2-260C-1 YEAR LM317LCPW ACTIVE TSSOP PW 8 150 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCPWE4 ACTIVE TSSOP PW 8 150 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCPWG4 ACTIVE TSSOP PW 8 150 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCPWR ACTIVE TSSOP PW 8 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCPWRE4 ACTIVE TSSOP PW 8 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LCPWRG4 ACTIVE TSSOP PW 8 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LID ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LIDG4 ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LIDR ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LIDRG4 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM LM317LILP ACTIVE TO-92 LP 3 1000 Pb-Free (RoHS) CU SN N / A for Pkg Type LM317LILPE3 ACTIVE TO-92 LP 3 1000 Pb-Free (RoHS) CU SN N / A for Pkg Type LM317LILPR ACTIVE TO-92 LP 3 2000 Pb-Free (RoHS) CU SN N / A for Pkg Type Addendum-Page 1 Lead/Ball Finish MSL Peak Temp (3) PACKAGE OPTION ADDENDUM www.ti.com 12-Nov-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty LM317LILPRE3 ACTIVE TO-92 LP 3 2000 LM317LIPK ACTIVE SOT-89 PK 3 LM317LIPKG3 ACTIVE SOT-89 PK LM317LIPW ACTIVE TSSOP LM317LIPWG4 ACTIVE LM317LIPWR LM317LIPWRG4 Pb-Free (RoHS) Lead/Ball Finish MSL Peak Temp (3) CU SN N / A for Pkg Type 1000 Green (RoHS & no Sb/Br) CU SN Level-2-260C-1 YEAR 3 1000 Green (RoHS & no Sb/Br) CU SN Level-2-260C-1 YEAR PW 8 150 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TSSOP PW 8 150 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM ACTIVE TSSOP PW 8 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM ACTIVE TSSOP PW 8 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM (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. 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. 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. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing LM317LCDR SOIC SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1 LM317LCPK SOT-89 PK 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 Q3 LM317LCPWR TSSOP PW 8 2000 330.0 12.4 7.0 3.6 1.6 8.0 12.0 Q1 LM317LIDR SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1 LM317LIPK SOT-89 PK 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 Q3 LM317LIPWR TSSOP PW 8 2000 330.0 12.4 7.0 3.6 1.6 8.0 12.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) LM317LCDR SOIC D 8 2500 340.5 338.1 20.6 LM317LCPK SOT-89 PK 3 1000 340.0 340.0 38.0 LM317LCPWR TSSOP PW 8 2000 367.0 367.0 35.0 LM317LIDR SOIC D 8 2500 340.5 338.1 20.6 LM317LIPK SOT-89 PK 3 1000 340.0 340.0 38.0 LM317LIPWR TSSOP PW 8 2000 367.0 367.0 35.0 Pack Materials-Page 2 MECHANICAL DATA MSOT002A - OCTOBER 1994 - REVISED NOVEMBER 2001 LP (O-PBCY-W3) PLASTIC CYLINDRICAL PACKAGE 0.205 (5,21) 0.175 (4,44) 0.165 (4,19) 0.125 (3,17) DIA 0.210 (5,34) 0.170 (4,32) Seating Plane 0.157 (4,00) MAX 0.050 (1,27) C 0.500 (12,70) MIN 0.104 (2,65) FORMED LEAD OPTION 0.022 (0,56) 0.016 (0,41) 0.016 (0,41) 0.014 (0,35) STRAIGHT LEAD OPTION D 0.135 (3,43) MIN 0.105 (2,67) 0.095 (2,41) 0.055 (1,40) 0.045 (1,14) 1 2 3 0.105 (2,67) 0.080 (2,03) 0.105 (2,67) 0.080 (2,03) 4040001-2 /C 10/01 NOTES: A. All linear dimensions are in inches (millimeters). B. This drawing is subject to change without notice. C. Lead dimensions are not controlled within this area D. FAlls within JEDEC TO -226 Variation AA (TO-226 replaces TO-92) E. Shipping Method: Straight lead option available in bulk pack only. Formed lead option available in tape & reel or ammo pack. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 MECHANICAL DATA MSOT002A - OCTOBER 1994 - REVISED NOVEMBER 2001 LP (O-PBCY-W3) PLASTIC CYLINDRICAL PACKAGE 0.539 (13,70) 0.460 (11,70) 1.260 (32,00) 0.905 (23,00) 0.650 (16,50) 0.610 (15,50) 0.020 (0,50) MIN 0.098 (2,50) 0.384 (9,75) 0.335 (8,50) 0.748 (19,00) 0.217 (5,50) 0.433 (11,00) 0.335 (8,50) 0.748 (19,00) 0.689 (17,50) 0.114 (2,90) 0.094 (2,40) 0.114 (2,90) 0.094 (2,40) 0.169 (4,30) 0.146 (3,70) DIA 0.266 (6,75) 0.234 (5,95) 0.512 (13,00) 0.488 (12,40) TAPE & REEL 4040001-3 /C 10/01 NOTES: A. All linear dimensions are in inches (millimeters). B. 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