LM9070 www.ti.com SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 LM9070 Low-Dropout System Voltage Regulator with Keep-Alive ON/OFF Control Check for Samples: LM9070 FEATURES DESCRIPTION • • • • The LM9070 is a 5V, 3% accurate, 250 mA lowdropout voltage regulator. The regulator features an active low delayed reset output flag which can be used to reset a microprocessor system on turn-ON and in the event that the regulator output falls out of regulation for any reason. An external capacitor programs a delay time interval before the reset output can return high. 1 2 • • • • • • • • • • Automotive Application Reliability 3% Output Voltage Tolerance Insensitive to Radiated RFI Dropout Voltage Less than 800 mV with 250 mA Output Current Externally Programmed Reset Delay Interval Keep-Alive Feature with 2 Logic Control Inputs 60V Load Dump Transient Protection Thermal Shutdown Short Circuit Protection and Disable Safety Features Reverse Battery Protection Low OFF Quiescent Current, 50 μA Maximum Wide Operating Temperature Range −40°C to +125°C TO-263 and 20-Pin Power Surface Mount Packages Lead Form Compatible with TLE4267 TO-220 Regulator Designed for automotive application the contains a variety of protection features reverse battery, over-voltage shutdown, shutdown, input transient protection and operating temperature range. LM9070 such as thermal a wide A unique two-input logic control scheme is used to enable or disable the regulator output. An ON/OFF input can be provided by an ignition switch derived signal while a second, Keep-Alive input, is generated by a system controller. This allows for a system to remain ON after ignition has been switched OFF. The system controller can then execute a power-down routine and after which command the regulator OFF to a low quiescent current state (60 μA max). Design techniques have been employed to allow the regulator to remain operational and not generate false reset signals when subjected to high levels of RF energy (300V/m from 2 MHz to 400 MHz). Connection Diagrams and Ordering Information Backside metal is internally connected to ground. Figure 1. 7 Lead TO-263 (Top View) Package Number KTW0007B Figure 2. 20-Pin SOIC Package 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 LM9070 SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 www.ti.com Tab is internally connected to ground. Tab is internally connected to ground. Figure 3. 7-Lead TO-220 Package (Odd numbered pins bent forward away from package body) Figure 4. 7-Lead TO-220 Package (Even numbered pins bent forward away from package body) 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) Input Voltage, DC −26V to +40V ON/OFF, Keep-Alive Inputs (through 1kΩ) −26V to +26V Positive Input Transient (t<100 ms) 60V −50V Negative Input Transient (t<1 ms) Reset Output Sink Current 5 mA Power Dissipation Internally Limited Junction Temperature ESD Susceptibility 150°C (2) 12 kV, 2 kV Lead Temperature (Soldering, 10 seconds) 260°C −50°C to +150°C Storage Temperature (1) (2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but do not ensure specific performance limits. For ensured specifications and conditions, see the Electrical Characteristics. All pins will survive an ESD impulse of ±2000V using the human body model of 100 pF discharged through a 1.5 kΩ resistor. In addition, input pins VIN and the ON/OFF input will withstand ten pulses of ±12 kV from a 150 pF capacitor discharged through a 560Ω resistor with each pin bypassed with a 22 nF, 100V capacitor. Operating Ratings (1) Input Voltage 6V to 26V −40°C to +125°C Ambient Temperature TO-220 Thermal Resistance, θJ-C 3°C/W (2) 73°C/W TO-263 Thermal Resistance, θJ-A (3) 80°C/W SO20 Thermal Resistance, θJ-PINS 25°C/W SO20 Thermal Resistance, θJ-A 85°C/W TO-220 Thermal Resistance, θJ-A TO-263 Thermal Resistance, θJ-C (1) (2) (3) 2 3°C/W Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but do not ensure specific performance limits. For ensured specifications and conditions, see the Electrical Characteristics. Exceeding the Maximum Allowable power dissipation will cause excessive die temperature, and the device will go into thermal shutdown. The θJ-A value for the TO-220 package (still air, no additional heat sink) is 73°C/W. The effective θJ-A value of the TO-220 package can be reduced by using conventional heat sink methods. Exceeding the Maximum Allowable power dissipation will cause excessive die temperature, and the device will go into thermal shutdown. The θJ-A value for the TO-263 package (still air, no additional heat sink) is 80°C/W. The effective θJ-A value of the TO-263 package can be reduced by increasing the printed circuit board area that is connected (soldered) to the package tab. Using 1 ounce (1.4 mils thick) copper clad with no solder mask, an area of 0.5 square inches will reduce θJ-A to 50°C/W, an area of 1.0 square inches will reduce θJ-Ato 37°C/W, ad an area of 1.6 square inches will reduce θJ-A to 32°C/W. If the printed circuit board uses a solder mask, the copper clad area should be increased by at least 50% to maintain a similar θJ-A rating. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 LM9070 www.ti.com SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 Electrical Characteristics (1) The following specifications apply for VCC= 6V to 26V, −40°C ≤ TA≤ 125°C, unless otherwise specified. COUT=47µF with an ESR < 3Ω. CIN= 1µF. Symbol Parameter Conditions Min Max 4.85 Units REGULATOR OUTPUT VOUT Output Voltage 5 mA ≤ IOUT ≤ 250 mA 5.15 V ΔVOUT Line Line Regulation IOUT = 5 mA, 9V ≤ VIN ≤ 16.5V IOUT = 5 mA, 6V ≤ VIN ≤ 26V 25 50 mV mV ΔVOUT Load Load Regulation VIN = 14.4V, 5 mA ≤ IOUT ≤ 250 mA 50 mV Iq Quiescent Current VON/OFF ≤ VIN 4 25 10 50 mA mA mA mA −40°C ≤ TJ ≤ 60°C 60°C ≤ TJ ≤ 135°C 20 60 μA µA 300 800 mV mV 1.5 A IOUT = 5 mA IOUT = 250 mA, VIN ≥ 8V IOUT = 5 mA, VIN = 5V IOUT = 250 mA, VIN = 6V Ioff OFF Quiescent Current VIN ≤ 16.5V, Regulator OFF Vdo Dropout Voltage IOUT = 5 mA IOUT = 250 mA Isc Short Circuit Current RL = 1Ω PSRR Ripple Rejection VIN = (14VDC) + 1VRMS @ 120HZ) VothOFF Safety VOUT Latch-OFF Threshold OVthr Overvoltage Shutdown Threshold Vo Transient VOUT during Transients VIN Peak ≤ 60V, RL = 100Ω, τ = 100 ms Threshold Voltage ΔVOUT Required to Generate a Reset Output 4.85V ≤ VOUT ≤ 5.15V IOUT = 50 mA 0.4 60 dB In Keep-Alive mode VON/OFF = 0V, VKA = 0V 4 4.5 27 V V 7 V −500 mV Isink = 1.6 mA, VOUT > 3.2V 0.4 V 1.4V ≤ VOUT ≤ 3.2V 0.8 V RESET OUTPUT Vth Vlow Reset Output Low Voltage Vhigh Reset Output High Voltage tDELAY Delay Time IDELAY Rpu −300 0.9 VOUT VOUT V 7 31 ms Charging Current for CDELAY 10 30 µA Internal Pull-up Resistance 12 80 kΩ CDELAY = 0.1µF CONTROL LOGIC VKAlow Low Input Threshold Voltage, Keep-Alive Input 3.5V ≤ VOUT ≤ 5.25V 0.3 VOUT 0.5 VOUT V VKAhigh High Input Threshold Voltage, Keep-Alive Input 3.5V ≤ VOUT ≤ 5.25V 0.6 VOUT 0.8 VOUT V VON/OFF low Low Input Voltage, ON/OFF Input Rseries = 1 kΩ −2 2 V VON/OFF high High Input Voltage, ON/OFF Input Rseries = 1 kΩ 4 26 V ION/OFF Input Current, ON/OFF Input VON/OFF ≤ 4V 330 μA 4V < VON/OFF < 7V 670 μA VON/OFF ≥ 7V 10 mA RpuKA Internal Pull-up Resistance, Keep-Alive 0V ≤ VIN ≤ 26V Input 20 100 kΩ RpdON/OFF Internal Pull-down Resistance ON/OFF 0V ≤ VON/OFF ≤ 26V Input 50 210 kΩ (1) Datasheet min/max specifications are ensured by design, test, and/or statistical analysis. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 3 LM9070 SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 www.ti.com Reset Operation and Protection Features 4 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 LM9070 www.ti.com SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 Typical Performance Characteristics (TA = 25°C unless indicated otherwise) Turn ON Characteristics Turn OFF Characteristics Figure 5. Figure 6. Normalized Output Voltage vs Temperature Output Voltage at Input Voltage Extremes Figure 7. Figure 8. Quiescent Current vs Input Voltage Input Current vs Input Voltage Regulator Switched OFF Figure 9. Figure 10. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 5 LM9070 SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 www.ti.com Typical Performance Characteristics (continued) (TA = 25°C unless indicated otherwise) 6 Dropout Voltage vs Temperature Reset Delay Time vs Temperature Figure 11. Figure 12. Short Circuit Current vs Temperature Output Capacitor ESR Figure 13. Figure 14. Maximum Power Dissipation (TO-220 Package) Maximum Power Dissipation (TO-263 and SO-20 Packages) Figure 15. Figure 16. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 LM9070 www.ti.com SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 ON/OFF, KEEP-ALIVE AND SAFETY LATCH-OFF CONTROL DIAGRAMS Note: If Keep-Alive is provided by a microprocessor powered by the output voltage of the LM9070, the logic “1” voltage level will track VOUT as the regulator turns OFF. (Keep-Alive input must be high to turn OFF output) Turn ON with ON/OFF control, Keep output biased with Keep-Alive input, Turn OFF with Keep-Alive (Keep-Alive low keeps output ON, Keep-Alive going high turns output OFF) Figure 17. Simple ON/OFF control Figure 18. Keep-Alive Mode Keep output biased with Keep-Alive; Hold ouput ON with ON/OFF; Turn OFF with ON/OFF input. (Temporary Keep-Alive Mode) (ON/OFF going high required to turn Output back ON) Figure 19. Switch ON with ON/OFF input Figure 20. Safety Latch OFF of VOUT when in KeepAlive Mode Control Logic Truth Table ON/OFF Input Keep-Alive Input Output Voltage Reset Output L X 0V L ↑ X 5V ↑ after delay H X 5V H Normal ON condition ↓ H 0V L Output turns OFF ↓ L 5V H Output kept ON by Keep-Alive Input ↑ L 5V H Output remains ON (or turns ON) H X ΔVOUT ≥ −300 mV L Output pulled out of regulation, reset flag generated L L VOUT ≤ 4V L Output latches OFF Operating Condition Low quiescent current standby (OFF) condition Output turns ON Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 7 LM9070 SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 www.ti.com Block Diagram 8 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 LM9070 www.ti.com SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 APPLICATION INFORMATION The LM9070 voltage regulator has been optimized for use in microprocessor based automotive systems. Several unique design features have been incorporated to address many FMEA (Failure Mode Effects Analysis) concerns for fail-safe system performance. FAULT TOLERANT FEATURES While not specifically ensured due to production testing limitations, the LM9070 has been tested and shown to continue to provide a regulated output and, not generate an erroneous system reset signal while subjected to high levels of RF electric field energy (up to 300 V/m signal strength over a 2 MHz to 400 MHz frequency range). This is very important in vehicle safety related applications where the system must continue to operate normally. To maintain this immunity to RFI the output bypass capacitor is important (47 μF is recommended). This regulator is suitable for applications where continuous connection to the battery is required (Refer to the Figure 21). ON/OFF control of the regulator and system can be accomplished by switching the ON/OFF input to the battery or ignition supply VIN supply through a SPST switch. If this input becomes open circuited, an internal pull-down resistor ensures that the regulator turns OFF. When the regulator is switched OFF the current load on the battery drops to less than 60 μA. With the possibility in many applications for VIN and the ON/OFF input pins to be connected in a system through long lengths of wire, the ESD protection of these pins has been increased to 12 kV with the addition of small input bypass capacitors. Figure 21. Typical Application Circuit An output bypass capacitor of at least 10 μF is required for stability (47 μF is recommended). The ESR of this capacitor should be less than 3Ω. An input capacitor of 1 μF or larger is recommended to improve line transient and noise performance. With the Keep-Alive input, a system microprocessor has the ability to keep the regulator ON (with a logic “0” on Keep-Alive) after the ON/OFF input has been commanded OFF. A power-down sequence, when system variables are typically stored in programmable memory, can be executed and take as much time as necessary. At the end of the operation the micro then pulls Keep-Alive high and the regulator and system turn OFF and revert to the low quiescent current standby mode. For additional system reliability, consideration has been made for the possibility of a short circuited load at the output of the regulator. When the regulator is switched ON, conventional current limiting and thermal shutdown protect the regulator. When the regulator is switched OFF however, a grounded VCC supply to the micro (due to the shorted regulator output) will force the Keep-Alive input to be low and thus try to maintain the Keep-Alive mode of operation. With a shorted load, the drain on the battery could be as high as 1.5A. A separate internal circuit monitors the output voltage of the regulator. If VOUT is less than 4V, as would be the case with a shorted load, the Keep-Alive function is logically disabled to ensure that the regulator turns OFF and reverts to only a 50 μA load on the battery. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 9 LM9070 SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 www.ti.com Figure 22. Control Logic Not Used Conventional load dump protection is built in to withstand up to +60V and −50V transients. A 1 kΩ resistor in series with the ON/OFF and Keep-Alive inputs are recommended to provide the same level of transient protection for these pins if required. Protection against reverse polarity battery connections is also built in. With a reversed battery the output of the LM9070 will not go more negative than one diode drop below ground. This will prevent damage to any of the 5V load circuits. For applications where the control logic is not required the logic pins should be configured as shown in Figure 22. A separate device, called the LM9071, can be used. The LM9071 is available in a 5-lead TO-220 package and does not provide control logic functions, but still retains all of the protection features of the LM9070. RESET FLAG Excessive loading of the output to the point where the output voltage drops by 300 mV to 500 mV will signal a reset flag to the micro. This will warn of a VCC supply that may produce unpredictable operation of the system. On power-up and recovery from a fault condition the delay capacitor is used to hold the micro in a reset condition for a programmable time interval to allow the system operating voltages and clock to stabilize before executing code. The typical delay time interval can be estimated using the following equation: (1) INPUT STABILITY Low dropout voltage regulators which utilize a PNP power transistor usually exhibit a large increase in current when in dropout (VIN < 5.5V). This increase is caused by the saturation characteristics (β reduction) of the PNP transistor. To significantly minimize this increase in current the LM9070 detects when the PNP enters saturation and reduces the operating current. This reduction in input current can create a stability problem in applications with higher load current (> 100 mA) where the input voltage is applied through a long length of wire, which in effect adds a significant amount of inductance in series with the input. The drop in input current may create a positive input voltage transient which may take the PNP out of saturation. If the input voltage is held constant at the threshold where the PNP is going in and out of saturation, an oscillation may be created. This is only observed where significant series inductance is present in the input supply line and when the rise and fall time of the input supply is very slow. If the application and removal of the input voltage changes at a rate greater than 500 mV/μs, the input voltage moves through the dropout region of operation (VIN of 3V to 5.5V) too quickly for an oscillation to be established. MICROPROCESSOR SYSTEM REGULATOR WITH KEEP-ALIVE INTERVAL AT TURN-OFF Figure 23 illustrates a system application circuit utilizing both of the logic control inputs of the LM9070. Closing the ON/OFF switch powers ON the system. Once powered, the system controller sets the Keep-Alive line low. The NPN transistor is used only to signal the controller that the ON/OFF switch has been opened and the system is to be turned OFF. Upon detecting this high level at the ON/OFF Sense input line, the controller can then perform a power down routine. The system will remain fully powered until the controller commands total shut down by taking the Keep-Alive line high. The system then shuts OFF and reverts to a very low current drain standby condition until switched back on. 10 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 LM9070 www.ti.com SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 Figure 23. System Application Circuit and Control Waveforms THERMAL MANAGEMENT The LM9070 is packaged in both a TO-263 surface mount power package and a narrow lead-pitch TO-220 package. To obtain operation over the highest possible load current and input voltage ranges, care must be taken to control the operating temperature of the device. Thermal shutdown protection is built in, with a threshold above 150°C. Conventional heat-sinking techniques can be used with the TO-220 package. When applying the TO-263 package, on board heat-sinking is important to prevent premature thermal shutdown. More copper foil area under the tab of the device will directly improve the operating θJ-A of the TO-263 package, which will reduce the junction temperature of the device. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 11 LM9070 SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 www.ti.com The θJ-A value for the TO-263 package (still air, no additional heat sink) is rated at 80°C/W. The effective θJ-A value of the TO-263 package can be reduced by increasing the printed circuit board area that is connected (soldered) to the package tab. Using 1 ounce (1.4 mils thick) copper clad with no solder mask, an area of 0.5 square inches will reduce θJ-A to 50°C/W, an area of 1.0 square inches will reduce θJ-Ato 37°C/W, and an area of 1.6 square inches will reduce θJ-A to 32°C/W. If the printed circuit board uses a solder mask, the copper clad area under the solder mask should be increased by at least 50% to maintain a similar θJ-A rating. The use of a double sided PC board with soldered filled vias between two planes of copper, as shown in Figure 24, will improve thermal performance while optimizing the PC board surface area required. Using the double sided PC board arrangement shown in Figure 24, with 1 ounce (1.4 mils thick) copper clad with no solder mask and solder filled vias, an area of 0.5 square inches on both sides will reduce θJ-A to 43°C/W. Figure 24. Typical TO-263 PC Board Heatsinking 12 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 LM9070 www.ti.com SNVS130E – DECEMBER 1999 – REVISED APRIL 2013 REVISION HISTORY Changes from Revision D (April 2013) to Revision E • Page Changed layout of National Data Sheet to TI format .......................................................................................................... 12 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM9070 13 PACKAGE OPTION ADDENDUM www.ti.com 16-Oct-2015 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) LM9070S/NOPB LIFEBUY DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM9070S LM9070SX/NOPB ACTIVE DDPAK/ TO-263 KTW 7 500 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM9070S (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. (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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Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device LM9070SX/NOPB Package Package Pins Type Drawing SPQ DDPAK/ TO-263 500 KTW 7 Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 330.0 24.4 Pack Materials-Page 1 10.75 B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 14.85 5.0 16.0 24.0 Q2 PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) LM9070SX/NOPB DDPAK/TO-263 KTW 7 500 367.0 367.0 45.0 Pack Materials-Page 2 MECHANICAL DATA KTW0007B TS7B (Rev E) BOTTOM SIDE OF PACKAGE 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. 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