TS821 STMicroelectronics, TS821 Datasheet
TS821
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TS821 Summary of contents
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... Switch mode power supply ■ Battery operated equipment Description The TS821 is a low power shunt voltage reference providing a stable 1.225V output voltage over the industrial temperature range (-40°C to +85°C). Availabe in SOT23-3 surface mount package, it can be designed in applications where space saving is critical ...
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... Maximum operating current max T Operating free air temperature range oper 2/9 Parameter (1) SOT23-3 (2) (3) = 25°C and T = 150°C and R = 340°C/W for the SOT23-3L package. amb j thja Parameter TS821 Value Unit 360 mW -65 to +150 ° 200 V 260 °C Value Unit μ ...
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... Static impedance ka K Long term stability vh En Wide band noise 1. Limits are 100% production tested at 25°C. Behavior at the temperature range limits is guaranteed through correlation and by design. Table 4. TS821A (1% precision) T Symbol Parameter Reverse breakdown voltage V Reverse breakdown voltage k tolerance I Minimum operating current k-min Δ ...
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... Electrical characteristics Table 5. TS821B (0.5% precision) T Symbol Parameter Reverse breakdown voltage V Reverse breakdown voltage k tolerance I Minimum operating current k-min ΔV /ΔT Average temperature coefficient ref Reverse breakdown voltage change ΔV /Δ with operating current range R Static impedance ka K Long term stability ...
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... TS821 Figure 1. Reference voltage versus cathode current -0.5 0 Reference voltage (V) Figure 3. Test circuit R Ik=(Vin-Vref)/R Figure 5. Static impedance versus temperature 0.25 0.24 0.23 0.22 0.21 0.2 -40 - Temperature (°C) Figure 2. 0.5 1 1.5 Figure 4. 1.26 1.25 1.24 1.23 Vout=Vref 1.22 1.21 1.2 1.19 -40 Figure 6. 800 700 600 500 400 300 200 100 40 60 ...
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... ECOPACK specifications are available at: www.st.com. 6/9 =100µA Figure 8. k Input Pulse Generator Output 8 10 =1mA Figure 10. Test circuit for pulse response Pulse Generator Test circuit for pulse response at I =100µ Ω Ik=100µA I =1mA k 1.8 K Ω Ik=1mA TS821 ...
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... TS821 Figure 11. SOT23-3 package mechanical data Ref Dimensions Millimeters Min. Typ. Max. 0.890 1.120 0.010 0.100 0.880 0.950 1.020 0.300 0.500 0.080 0.200 2.800 2.900 3.040 2.100 2.64 1.200 1.300 1.400 0.950 1.900 0.400 0.600 0.540 0° ...
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... Part number TS821ILT TS821AILT TS821BILT 5 Revision history Table 7. Document revision history Date 10-Nov-2005 24-Jul-2007 8/9 Temperature Precision range 2% -40° +85°C 0.5% Revision 1 Initial release. Removed information related to TO-92. 2 Format update. Package Packing Marking SOT23-3 Tape & reel Changes TS821 L213 L212 L211 ...
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... TS821 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. ...