LM723, LM723C www.ti.com SNVS765C – JUNE 1999 – REVISED APRIL 2013 LM723/LM723C Voltage Regulator Check for Samples: LM723, LM723C FEATURES DESCRIPTION • The LM723/LM723C is a voltage regulator designed primarily for series regulator applications. By itself, it will supply output currents up to 150 mA; but external transistors can be added to provide any desired load current. The circuit features extremely low standby current drain, and provision is made for either linear or foldback current limiting. 1 2 • • • • 150 mA Output Current Without External Pass Transistor Output Currents in Excess of 10A Possible by Adding External Transistors Input Voltage 40V Max Output Voltage Adjustable from 2V to 37V Can be Used as Either a Linear or a Switching Regulator The LM723/LM723C is also useful in a wide range of other applications such as a shunt regulator, a current regulator or a temperature controller. The LM723C is identical to the LM723 except that the LM723C has its performance ensured over a 0°C to +70°C temperature range, instead of −55°C to +125°C. Connection Diagram Note: Pin 5 connected to case. Figure 1. Top View CDIP Package or PDIP Package See Package J or NFF0014A Figure 2. Top View TO-100 See Package LME Figure 3. Top View See Package NAJ0020A 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 © 1999–2013, Texas Instruments Incorporated LM723, LM723C SNVS765C – JUNE 1999 – REVISED APRIL 2013 www.ti.com Equivalent Circuit* *Pin numbers refer to metal can package. Typical Application for minimum temperature drift. Typical Performance Regulated Output Voltage 5V Line Regulation (ΔVIN = 3V) 0.5mV Load Regulation (ΔIL = 50 mA) 1.5mV Figure 4. Basic Low Voltage Regulator (VOUT = 2 to 7 Volts) 2 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C LM723, LM723C www.ti.com SNVS765C – JUNE 1999 – REVISED APRIL 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) (2) Pulse Voltage from V+ to V− (50 ms) 50V Continuous Voltage from V+ to V− 40V Input-Output Voltage Differential 40V Maximum Amplifier Input Voltage (Either Input) 8.5V Maximum Amplifier Input Voltage (Differential) 5V Current from VZ 25 mA Current from VREF 15 mA Internal Power Dissipation Metal Can (3) 800 mW CDIP (3) 900 mW PDIP (3) 660 mW Operating Temperature Range −55°C to +150°C LM723 LM723C 0°C to +70°C Storage Temperature Range Metal Can −65°C to +150°C −55°C to +150°C PDIP Lead Temperature (Soldering, 4 sec. max.) Hermetic Package 300°C Plastic Package 260°C ESD Tolerance 1200V (Human body model, 1.5 kΩ in series with 100 pF) (1) (2) (3) “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. A military RETS specification is available on request. At the time of printing, the LM723 RETS specification complied with the Min and Max limits in this table. The LM723E, H, and J may also be procured as a Standard Military Drawing. See derating curves for maximum power rating above 25°C. ELECTRICAL CHARACTERISTICS (1) (2) (3) (4) Parameter Conditions LM723 Min Line Regulation VIN = 12V to VIN = 15V LM723C Typ Max 0.01 0.1 −55°C ≤ TA ≤ +125°C Min Max 0.01 0.1 0.3 (2) (3) (4) % VOUT 0.02 0.2 0.1 0.5 % VOUT IL = 1 mA to IL = 50 mA 0.03 0.15 0.03 0.2 % VOUT 0.6 % VOUT 0°C ≤ TA ≤ +70°C (1) 0.3 VIN = 12V to VIN = 40V −55°C ≤ TA ≤ +125°C Ripple Rejection % VOUT % VOUT 0°C ≤ TA ≤ +70°C Load Regulation Units Typ 0.6 % VOUT f = 50 Hz to 10 kHz, CREF = 0 74 74 dB f = 50 Hz to 10 kHz, CREF = 5 μF 86 86 dB Unless otherwise specified, TA = 25°C, VIN = V+ = VC = 12V, V− = 0, VOUT = 5V, IL = 1 mA, RSC = 0, C1 = 100 pF, CREF = 0 and divider impedance as seen by error amplifier ≤ 10 kΩ connected as shown in Figure 4. Line and load regulation specifications are given for the condition of constant chip temperature. Temperature drifts must be taken into account separately for high dissipation conditions. A military RETS specification is available on request. At the time of printing, the LM723 RETS specification complied with the Min and Max limits in this table. The LM723E, H, and J may also be procured as a Standard Military Drawing. Specified by correlation to other tests. L1 is 40 turns of No. 20 enameled copper wire wound on Ferroxcube P36/22-3B7 pot core or equivalent with 0.009 in. air gap. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C 3 LM723, LM723C SNVS765C – JUNE 1999 – REVISED APRIL 2013 www.ti.com ELECTRICAL CHARACTERISTICS(1)(2)(3)(4) (continued) Parameter Conditions LM723 Min Average Temperature Coefficient of Output Voltage ( (5)) −55°C ≤ TA ≤ +125°C LM723C Typ Max 0.002 0.015 Min Reference Voltage Output Noise Voltage 0.003 RSC = 10Ω, VOUT = 0 65 6.95 0.015 65 7.35 6.80 7.15 %/°C mA 7.50 V μVrms BW = 100 Hz to 10 kHz, CREF = 0 86 86 BW = 100 Hz to 10 kHz, CREF = 5 μF 2.5 2.5 μVrms 0.05 0.05 %/1000 hrs Long Term Stability Standby Current Drain 7.15 Units Max %/°C 0°C ≤ TA ≤ +70°C Short Circuit Current Limit Typ 4.0 mA Input Voltage Range IL = 0, VIN = 30V 9.5 40 9.5 40 V Output Voltage Range 2.0 37 2.0 37 V 3.0 38 3.0 Input-Output Voltage Differential 1.7 3.5 1.7 38 V θJA PDIP θJA CDIP 150 θJA H10C Board Mount in Still Air 165 165 °C/W θJA H10C Board Mount in 400 LF/Min Air Flow 66 66 °C/W 22 22 °C/W 105 θJC (5) 4 °C/W °C/W For metal can applications where VZ is required, an external 6.2V zener diode should be connected in series with VOUT. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C LM723, LM723C www.ti.com SNVS765C – JUNE 1999 – REVISED APRIL 2013 TYPICAL PERFORMANCE CHARACTERISTICS Load Regulation Characteristics with Current Limiting Load Regulation Characteristics with Current Limiting Figure 5. Figure 6. Load & Line Regulation vs Input-Output Voltage Differential Current Limiting Characteristics Figure 7. Figure 8. Current Limiting Characteristics vs Junction Temperature Standby Current Drain vs Input Voltage Figure 9. Figure 10. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C 5 LM723, LM723C SNVS765C – JUNE 1999 – REVISED APRIL 2013 www.ti.com TYPICAL PERFORMANCE CHARACTERISTICS (continued) Line Transient Response Load Transient Response Figure 11. Figure 12. Output Impedence vs Frequency Figure 13. 6 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C LM723, LM723C www.ti.com SNVS765C – JUNE 1999 – REVISED APRIL 2013 MAXIMUM POWER RATINGS Noise vs Filter Capacitor (CREF in Circuit of Figure 4) (Bandwidth 100 Hz to 10 kHz) LM723 Power Dissipation vs Ambient Temperature Figure 14. Figure 15. LM723C Power Dissipation vs Ambient Temperature Figure 16. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C 7 LM723, LM723C SNVS765C – JUNE 1999 – REVISED APRIL 2013 www.ti.com Table 1. Resistor Values (kΩ) for Standard Output Voltage Positive Output Voltage (1) (2) (3) Applicable Figures Fixed Output ±5% Output Adjustable ±10% (1) Negative Output Voltage See (2) R1 R2 R1 P1 R2 +3.0 Figure 4, Figure 19, Figure 21, Figure 24, Figure 27 (Figure 19) 4.12 3.01 1.8 0.5 1.2 +100 +3.6 Figure 4, Figure 19, Figure 21, Figure 24, Figure 27 (Figure 19) 3.57 3.65 1.5 0.5 1.5 +5.0 Figure 4, Figure 19, Figure 21, Figure 24, Figure 27 (Figure 19) 2.15 4.99 0.75 0.5 +6.0 Figure 4, Figure 19, Figure 21, Figure 24, Figure 27 (Figure 19) 1.15 6.04 0.5 +9.0 Figure 17, Figure 19, (Figure 19, Figure 21, Figure 24, Figure 27) 1.87 7.15 +12 Figure 17, Figure 19, (Figure 19, Figure 21, Figure 24, Figure 27) 4.87 +15 Figure 17, Figure 19, (Figure 19, Figure 21, Figure 24, Figure 27) +28 Applicable Figures Fixed Output ±5% 5% Output Adjustable ±10% R1 R2 R1 P1 R2 Figure 22 3.57 102 2.2 10 91 +250 Figure 22 3.57 255 2.2 10 240 2.2 −6 (3) Figure 18, (Figure 25) 3.57 2.43 1.2 0.5 0.75 0.5 2.7 −9 Figure 18, Figure 25 3.48 5.36 1.2 0.5 2.0 0.75 1.0 2.7 −12 Figure 18, Figure 25 3.57 8.45 1.2 0.5 3.3 7.15 2.0 1.0 3.0 −15 Figure 18, Figure 25 3.65 11.5 1.2 0.5 4.3 7.87 7.15 3.3 1.0 3.0 −28 Figure 18, Figure 25 3.57 24.3 1.2 0.5 10 Figure 17, Figure 19, (Figure 19, Figure 21, Figure 24, Figure 27) 21.0 7.15 5.6 1.0 2.0 −45 Figure 23 3.57 41.2 2.2 10 33 +45 Figure 22 3.57 48.7 2.2 10 39 −100 Figure 23 3.57 97.6 2.2 10 91 +75 Figure 22 3.57 78.7 2.2 10 68 −250 Figure 23 3.57 249 2.2 10 240 Replace R1/R2 in figures with divider shown in Figure 28. Figures in parentheses may be used if R1/R2 divider is placed on opposite input of error amp. V+ and VCC must be connected to a +3V or greater supply. Table 2. Formulae for Intermediate Output Voltages 8 Outputs from +2 to +7 volts Outputs from +4 to +250 volts (Figure 4 Figure 19 Figure 20 Figure 21 Figure 24 Figure 27 (Figure 22) Outputs from +7 to +37 volts Outputs from −6 to −250 volts (Figure 17 Figure 19 Figure 20 Figure 21 Figure 24 Figure 27) (Figure 18 Figure 23 Figure 25) Submit Documentation Feedback Current Limiting Foldback Current Limiting Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C LM723, LM723C www.ti.com SNVS765C – JUNE 1999 – REVISED APRIL 2013 TYPICAL APPLICATIONS for minimum temperature drift. R3 may be eliminated for minimum component count. Typical Performance Regulated Output Voltage 15V Line Regulation (ΔVIN = 3V) 1.5 mV Load Regulation (ΔIL = 50 mA) 4.5 mV Figure 17. Basic High Voltage Regulator (VOUT = 7 to 37 Volts) Typical Performance Regulated Output Voltage −15V Line Regulation (ΔVIN = 3V) 1 mV Load Regulation (ΔIL = 100 mA) 2 mV Figure 18. Negative Voltage Regulator Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C 9 LM723, LM723C SNVS765C – JUNE 1999 – REVISED APRIL 2013 www.ti.com Typical Performance Regulated Output Voltage +15V Line Regulation (ΔVIN = 3V) 1.5 mV Load Regulation (ΔIL = 1A) 15 mV Figure 19. Positive Voltage Regulator (External NPN Pass Transistor) Typical Performance Regulated Output Voltage +5V Line Regulation (ΔVIN = 3V) 0.5 mV Load Regulation (ΔIL = 1A) 5 mV Figure 20. Positive Voltage Regulator (External PNP Pass Transistor) 10 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C LM723, LM723C www.ti.com SNVS765C – JUNE 1999 – REVISED APRIL 2013 Typical Performance Regulated Output Voltage +5V Line Regulation (ΔVIN = 3V) 0.5 mV Load Regulation (ΔIL = 10 mA) 1 mV Short Circuit Current 20 mA Figure 21. Foldback Current Limiting Typical Performance Regulated Output Voltage +50V Line Regulation (ΔVIN = 20V) 15 mV Load Regulation (ΔIL = 50 mA) 20 mV Figure 22. Positive Floating Regulator Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C 11 LM723, LM723C SNVS765C – JUNE 1999 – REVISED APRIL 2013 www.ti.com Typical Performance Regulated Output Voltage −100V Line Regulation (ΔVIN = 20V) 30 mV Load Regulation (ΔIL = 100 mA) 20 mV Figure 23. Negative Floating Regulator Typical Performance Regulated Output Voltage +5V Line Regulation (ΔVIN = 30V) 10 mV Load Regulation (ΔIL = 2A) 80 mV Figure 24. Positive Switching Regulator 12 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C LM723, LM723C www.ti.com SNVS765C – JUNE 1999 – REVISED APRIL 2013 Typical Performance Regulated Output Voltage −15V Line Regulation (ΔVIN = 20V) 8 mV Load Regulation (ΔIL = 2A) 6 mV Figure 25. Negative Switching Regulator Note: Current limit transistor may be used for shutdown if current limiting is not required. Typical Performance Regulated Output Voltage +5V Line Regulation (ΔVIN = 3V) 0.5 mV Load Regulation (ΔIL = 50 mA) 1.5 mV Figure 26. Remote Shutdown Regulator with Current Limiting Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C 13 LM723, LM723C SNVS765C – JUNE 1999 – REVISED APRIL 2013 www.ti.com Regulated Output Voltage +5V Line Regulation (ΔVIN = 10V) 0.5 mV Load Regulation (ΔIL = 100 mA) 1.5 mV Figure 27. Shunt Regulator Figure 28. Output Voltage Adjust (1) 14 (1) Replace R1/R2 in figures with divider shown in Figure 28. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C LM723, LM723C www.ti.com SNVS765C – JUNE 1999 – REVISED APRIL 2013 Schematic Diagram Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C 15 LM723, LM723C SNVS765C – JUNE 1999 – REVISED APRIL 2013 www.ti.com REVISION HISTORY Changes from Revision B (April 2013) to Revision C • 16 Page Changed layout of National Data Sheet to TI format .......................................................................................................... 15 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM723 LM723C PACKAGE OPTION ADDENDUM www.ti.com 27-Jul-2016 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (°C) Device Marking (4/5) LM723CH ACTIVE TO-100 LME 10 500 TBD Call TI Call TI 0 to 70 ( LM723CH ~ LM723CH) LM723CH/NOPB ACTIVE TO-100 LME 10 500 Green (RoHS & no Sb/Br) Call TI Level-1-NA-UNLIM 0 to 70 ( LM723CH ~ LM723CH) LM723CN/NOPB ACTIVE PDIP NFF 14 25 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM 0 to 70 LM723CN LM723H ACTIVE TO-100 LME 10 500 TBD Call TI Call TI -55 to 150 ( LM723H ~ LM723H) LM723H/NOPB ACTIVE TO-100 LME 10 500 Green (RoHS & no Sb/Br) Call TI Level-1-NA-UNLIM -55 to 150 ( LM723H ~ LM723H) (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. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device 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 Device Marking for that device. Addendum-Page 1 Samples PACKAGE OPTION ADDENDUM www.ti.com 27-Jul-2016 (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish value exceeds the maximum column width. 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. 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Dimensioning and tolerancing per ASME Y14.5M. 2. This drawing is subject to change without notice. 3. Reference JEDEC registration MO-006/TO-100. www.ti.com EXAMPLE BOARD LAYOUT LME0010A TO-CAN - 5.72 mm max height METAL CYLINDRICAL PACKAGE SOLDER MASK OPENING 10 ( 1.4) 1 9 0.07 MAX ALL AROUND 9X ( 1.4) METAL METAL 10X ( 0.8) VIA (R0.05) TYP 2 8 9X SOLDER MASK OPENING 7 3 9X 0.07 MAX ALL AROUND 4 6 (36 ) TYP 5 ( 5.84) LAND PATTERN EXAMPLE NON-SOLDER MASK DEFINED SCALE: 12X 4220604/A 05/2017 www.ti.com MECHANICAL DATA NFF0014A N0014A N14A (Rev G) www.ti.com IMPORTANT NOTICE Texas Instruments Incorporated (TI) reserves 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. 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