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| TS4041 1.225V micropower shunt voltage reference Features 1.225V typical output voltage Ultra low operating current: 65A maximum at 25C High precision @ 25C - +/- 2% - +/- 1% - +/- 0.5% High stability when used with capacitive loads Industrial temperature range: -40C to +85C 150ppm/C maximum temperature coefficient Pin connections (Top view) L SOT23-3L (Plastic micropackage) Application Computers Instrumentation Battery chargers Switch mode power supply Battery operated equipments Description The TS4041 is a low power shunt voltage reference providing a stable 1.225V output voltage over the industrial temperature range (-40C to +85C). Availabe 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 TS4041 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 TS4041 1 Absolute maximum ratings and operating conditions Table 1. Symbol Ik If Pd Tstg ESD Machine model (MM) Tlead 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) Lead temperature (soldering, 10 seconds) 1. Pd is calculated with Tamb = 25C and Tj = 150C and Rthja = 340C/W for the SOT23-3L 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 Imin Imax Toper Operating conditions Parameter Minimum operating current Maximum operating current Operating free air temperature range Value 65 12 -40 to +85 Unit A mA C 2/9 TS4041 Electrical characteristics 2 Table 3. Symbol Electrical characteristics TS4041E (2% precision) Tamb = 25C (1) (unless otherwise specified) Parameter Reverse breakdown voltage Vk Reverse breakdown voltage tolerance Test conditions Ik = 100A Ik = 100A -40C < Tamb < +85C Tamb = 25C -40C < Tamb < +85C Ik = 100A Ik-min < Ik < 1mA -40C < Tamb < +85C 1mA < Ik < 12mA -40C < Tamb < +85C Ik = 45A to 1mA Ik = 100A, t = 1000hrs Ik = 100A, 10Hz < f < 10kHz 0.3 2.5 0.25 120 200 Min. 1.20 0 -25 -36 40 Typ. Max. 1.22 5 1.25 0 +25 +36 65 70 150 2 2.5 mV 8 10 0.5 ppm nV/Hz Unit V mV A ppm/C Ik-min Minimum operating current Vref/T Average temperature coefficient Reverse breakdown voltage change with operating current range Vk/Ik Rka Kvh En Static impedance Long term stability Wide band noise 1. Limits are 100% production tested at 25C. Behavior at the temperature range limits is guaranteed through correlation and by design. Table 4. Symbol TS4041D (1% precision) Tamb = 25C (1) (unless otherwise specified) Parameter Reverse breakdown voltage Test conditions Ik = 100A Ik = 100A -40C < Tamb < +85C Tamb = 25C -40C < Tamb < +85C Ik = 100A Ik-min < Ik < 1mA -40C < Tamb < +85C 1mA < Ik < 12mA -40C < Tamb < +85C Ik = 45A to 1mA Ik = 100A, t = 1000hrs Ik = 100A, 10Hz < f < 10kHz 0.3 2.5 0.25 120 200 Min. 1.21 3 -12 -25 40 Typ. Max. 1.22 5 1.23 7 +12 +25 65 70 150 2 2.5 mV 8 10 0.5 ppm nV/Hz Unit V mV A ppm/C Vk Reverse breakdown voltage tolerance Ik-min Minimum operating current Vref/T Average temperature coefficient Reverse breakdown voltage change with operating current range Vk/Ik Rka Kvh En Static impedance Long term stability Wide band noise 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 Table 5. Symbol TS4041 TS4041C (0.5% precision) (1) Tamb = 25C (unless otherwise specified) Parameter Reverse breakdown voltage Test conditions Ik = 100A Ik = 100A -40C < Tamb < +85C Tamb = 25C -40C < Tamb < +85C Ik = 100A Ik-min < Ik < 1mA -40C < Tamb < +85C 1mA < Ik < 12mA -40C < Tamb < +85C Ik = 45A to 1mA Ik = 100A, t = 1000hrs Ik = 100A, 10Hz < f < 10kHz 0.3 2.5 0.25 120 200 Min. 1.21 9 -6 -16 40 Typ. Max. 1.22 5 1.23 1 +6 +16 60 65 120 1.5 2 mV 6 8 0.5 ppm nV/Hz Unit V mV A ppm/C Vk Reverse breakdown voltage tolerance Ik-min Minimum operating current Vref/T Average temperature coefficient Reverse breakdown voltage change with operating current range Vk/Ik Rka Kvh En Static impedance Long term stability Wide band noise 1. Limits are 100% production tested at 25C. Behavior at the temperature range limits is guaranteed through correlation and by design. 4/9 TS4041 Electrical characteristics Figure 1. 12 8 4 0 -4 -8 Reference voltage versus cathode current Figure 2. Reference voltage versus cathode current 100 Cathode current (A) Cathode current (mA) 50 0 -50 -1 -0.5 0 0.5 1 1.5 -1 -0.5 Reference voltage (V) 0 1 0.5 Reference voltage (V) 1.5 Figure 3. Test circuit Figure 4. 1.26 Reference voltage versus temperature +2% +1% +0.5% R Cathode voltage (V) 1.25 Ik=(Vin-Vref)/R Vout=Vref 1.24 1.23 1.22 1.21 1.2 1.19 -40 -20 0 20 40 60 80 Temperature (C) -0.5% -1% -2% Figure 5. Static impedance versus temperature 0.25 Figure 6. Noise voltage versus frequency 800 Static impedance (Ohms) Noise voltage (nV/Hz) 0.24 0.23 0.22 0.21 0.2 -40 CL=10F 600 400 CL=100F 200 CL=0F 0 0 1 10 100 1,000 10,000 -20 0 20 40 60 80 Temperature (C) Frequency (kHz) 5/9 Package information TS4041 Figure 7. Pulse response for Ik=100A Figure 8. Test circuit for pulse response at Ik=100A 3V 18 K Ik=100A 0V Input 1.225V 0V Output 0 2 4 6 8 10 Time (s) Figure 9. Pulse response for Ik=1mA Figure 10. Test circuit for pulse response at Ik=1mA 3V Input 1.8 K Ik=1mA 0V 1.225V Output 0V 0 2 4 6 8 10 Time (s) 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 Output Intput Pulse Generator Output Intput Pulse Generator TS4041 Figure 11. 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 TS4041 4 Ordering information Table 6. Order codes Precision 2% 1% 0.5% -40C to +85C SOT23-3 Tape & reel Temperature range Package Packing Marking L233 L232 L231 Part number TS4041EILT-1.2 TS4041DILT-1.2 TS4041CILT-1.2 5 Revision history Table 7. Date 21-Mar-2002 20-Aug-2007 Document revision history Revision 1 2 Initial release. Removed TO-92 package information. Format update. Changes 8/9 TS4041 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. 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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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