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| TS4040 2.5V micropower shunt voltage reference Features 2.5V output voltage Ultra low current consumption: 40A typ. High precision @ 25C: 2% and 1% High stability when used with capacitive loads Industrial temperature range:-40C to +85C 150ppm/C maximum temperature coefficient L SOT23-3L (Plastic micropackage) Applications Computers Instrumentation Battery chargers Switch mode power supply Battery operated equipments Pin connections (Top view) Description The TS4040 is a low power shunt voltage reference providing a stable 2.5V output voltage over the industrial temperature range (-40C to +85C). Available in SOT23-3 surface mount package, it can be designed in applications where space saving is critical. The low operating current is a key advantage for power restricted designs. In addition, the TS4040 is very stable and can be used in a broad range of application conditions. August 2007 Rev 2 1/9 www.st.com 9 Absolute maximum ratings and operating conditions TS4040 1 Absolute maximum ratings and operating conditions Table 1. Symbol Ik If Pd Tstg ESD Absolute maximum ratings (AMR) Parameter Reverse breakdown current Forward current Power dissipation (1) Value 20 10 Unit mA mA mW C kV V C SOT23-3 360 -65 to +150 2 200 260 Storage temperature Human body model (HBM)(2) (3) Machine model (MM) Tlead Lead temperature (soldering, 10 seconds) 1. Pd is calculated with Tamb = 25C, Tjunction =150C and Rthja = 340C/W for the SOT23-3 package. 2. Human body model: 100pF discharged through a 1.5k resistor between two pins of the device, done for all couples of pin combinations with other pins floating. 3. Machine model: a 200pF cap is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5), done for all couples of pin combinations with other pins floating. Table 2. Symbol Ik-min Ik-max Toper Operating conditions Parameter Minimum operating current Maximum operating current Operating free air temperature range Value 65 15 -40 to +85 Unit A mA C 2/9 TS4040 Electrical characteristics 2 Table 3. Symbol Electrical characteristics TS4040E (2% precision) Tamb = 25C (1) (unless otherwise specified) Parameter Reverse breakdown voltage Vk Reverse breakdown voltage tolerance Minimum operating current Average temperature coefficient Test conditions Ik = 100A Ik = 100A -40C < Tamb < +85C T = 25C -40C < Tamb < +85C Ik = 100A Ik-min < Ik < 1mA -40C < Tamb < +85C 1mA < Ik < 15mA -40C < Tamb < +85C Ik = Ik-min to 1mA -40C < Tamb < +85C Ik = 1 to 15mA -40C < Tamb < +85C Long term stability Wide band noise Ik = 100A, t = 1000hrs Ik = 100A 10Hz < f < 10kHz Min. 2.45 -50 -74 40 30 0.4 2.5 0.4 0.2 120 35 Typ. 2.5 Max. 2.55 50 74 65 70 150 1 1.2 mV 8 10 1 1.2 0.6 0.7 Unit V mV A ppm/C Ik-min Vref/T Vk/Ik Reverse breakdown voltage change with operating current range Rka Reverse static impedance Kvh En ppm nV/Hz 1. Limits are 100% production tested at 25C. Behavior at the temperature range limits is guaranteed through correlation and by design. Table 4. Symbol TS4040D (1% precision) Tamb = 25C (1) (unless otherwise specified) Parameter Reverse breakdown voltage Test conditions Ik = 100A Ik = 100A -40C < Tamb < +85C T = 25C -40C < Tamb < +85C Ik = 100A Ik-min < Ik < 1mA -40C < Tamb < +85C 1mA < Ik < 15mA -40C < Tamb < +85C Ik = Ik-min to 1mA -40C < Tamb < +85C Ik = 1mA to 15mA -40C < Tamb < +85C Long term stability Wide band noise Ik = 100A, t = 1000hrs Ik = 100A 10Hz < f < 10kHz Min. 2.475 -25 -49 40 30 0.4 2.5 0.4 0.2 120 35 Typ. 2.5 Max. 2.525 25 49 65 70 150 1 1.2 mV 8 10 1 1.2 0.6 0.7 Unit V mV A ppm/C Vk Reverse breakdown voltage tolerance Minimum operating current Average temperature coefficient Ik-min Vref/T Vk/Ik Reverse breakdown voltage change with operating current range Rka Reverse static impedance Kvh En ppm nV/Hz 1. Limits are 100% production tested at 25C. Behavior at the temperature range limits is guaranteed through correlation and by design. 3/9 Electrical characteristics TS4040 Figure 1. Reference voltage versus cathode current Figure 2. Minimum operating current Reference voltage versus cathode current 15 3 2.5 Minimum operating current Cathode current (mA) 10 Cathode voltage (V) T=+25C 2 1.5 1 0.5 5 T=+85C T=-40C 0 -5 -0.5 0 0.5 1 1.5 2 2.5 Cathode voltage (V) 0 0 20 Cathode current (A) 40 Figure 3. Test circuit Figure 4. 2.58 Reference voltage versus temperature Test circuit Cathode voltage (V) R Ik=(Vin-Vref)/R Vout=Vref 2.56 2.54 2.52 +2% +1% 2.5 2.48 2.46 2.44 2.42 -40 Vin -1% -2% -20 0 20 40 60 80 Temperature (C) Figure 5. Static impedance Rka versus temperature Static impedance (Rka) versus temperature Figure 6. Noise voltage versus frequency Noise voltage versus Frequency 1500 Noise voltage (nV/VHz) CL=100F CL=10F 1000 CL=1F 500 CL=100nF CL=0 0 1000.0 100.0 Frequency (KHz) 0.2 Static impedance (Ohms) 0.15 0.1 0.05 0 -40 -20 0 20 40 60 80 0.1 1.0 10.0 Temperature (C) 4/9 TS4040 Electrical characteristics Figure 7. Test circuit for pulse response at Ik=100A Figure 8. Pulse response for Ik=100A Pulse response for Ik=100A Test circuit for pulse response at Ik=100A 25k ohm Ik=100A Input Output Pulse Generator 0 2.5 Output 0 0 5 10 Time (s) 15 20 5 Figure 9. Intput Test circuit for pulse response at Ik=100A (detailed part) Pulse response for Ik=100A Detailed part 5V Input Figure 10. Test circuit for pulse response at Ik=100A (detailed part) Pulse response for Ik=100A Detailed part 5V Input 0V Output 0V 0 0.5 1 Time (s) 1.5 2 2.5V 2.5V Output 0V 0V 0 1 2 3 4 5 Time (s) Figure 11. Test circuit for pulse response at Ik=1mA Figure 12. Pulse response at Ik=1mA Pulse response for Ik=1mA Test circuit for pulse response at Ik=1mA 2.5k ohm Ik=1mA 0V 2.5V 0V Output 5V Input Output Intput Pulse Generator 0 1 2 3 4 5 Time (s) 5/9 Package information TS4040 Figure 13. Test circuit for pulse response at Ik=1mA (detailed part) Pulse response for Ik=1mA Detailed part 5V Input Figure 14. Test circuit for pulse response at Ik=1mA (detailed part) Pulse response for Ik=1mA Detailed part 5V Input 0V Output 0V 0 50 100 Time (ns) 150 200 2.5V 2.5V Output 0V 0V 0 0.2 0.4 0.6 Time (s) 0.8 1 3 Package information In order to meet environmental requirements, STMicroelectronics offers these devices in ECOPACK(R) packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an STMicroelectronics trademark. ECOPACK specifications are available at: www.st.com. 6/9 TS4040 Figure 15. SOT23-3 package mechanical data Dimensions Ref. Min. A A1 A2 b C D E E1 e e1 L L1 k 0 0.400 0.540 8 0 0.890 0.010 0.880 0.300 0.080 2.800 2.100 1.200 1.300 0.950 1.900 0.600 15.75 2.900 0.950 Millimeters Typ. Max. 1.120 0.100 1.020 0.500 0.200 3.040 2.64 1.400 Min. 35.05 0.39 34.65 11.81 3.15 110.26 82.70 47.26 Package information Mils Typ. Max. 44.12 3.94 37.41 40.17 19.69 7.88 114.17 119.72 103.96 51.19 37.41 74.82 23.63 21.27 8 55.13 7110469/A 7/9 Ordering information TS4040 4 Ordering information Table 5. Order codes Precision 2% -40C to +85C TS4040DILT-2.5 1% SOT23-3 Tape & reel L242 Temperature range Package Packing Marking L243 Part number TS4040EILT-2.5 5 Revision history Table 6. Date 14-Mar-2002 20-Aug-2007 Document revision history Revision 1 2 Initial release. Removed TO-92 package information. Format update. Changes 8/9 TS4040 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST'S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER'S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. (c) 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 9/9 |
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