LM431SAI Fairchild Semiconductor, LM431SAI Datasheet
LM431SAI
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LM431SAI Summary of contents
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... Fast Turn-on Response Internal Block Diagram ©2011 Fairchild Semiconductor Corporation www.fairchildsemi.com Description The LM431SAI is three terminal output adjustable regulator with thermal stability over operating temperature range from -40°C to +85°C. The output voltage can be set any value between V (approximately 2.5 volts) and 36 volts with REF two external resistors ...
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... LM431SAI Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified.) Parameter Cathode Voltage Cathode current Range (Continuous) Reference Input Current Range Thermal Resistance Junction-Air (Note1,2) MF Suffix Package Power Dissipation (Note3,4) MF Suffix Package Junction Temperature Operating Temperature Range Storage Temperature Range Note: 1 ...
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... REF 125°C LM431SAI Min. Typ. 2.450 2.500 - 5 - -1.0 REF - -0.5 - 1.5 - 0.8 - 0.45 - 0. MAX MIN or maximum V , respectively, occurs at the lower REF REF = 125 °C for LM431SAI. -T MIN 14.4ppm °C ⁄ = LM431SAI Unit Max. 2.550 -2.7 mV/V -2.0 μ μ 1.0 mA μ 1.0 A Ω 0.5 V REF(dev) 3 ...
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... LM431SAI Test Circuits LM431SAI Figure 1. Test Circuit for V Figure 3. Test Circuit for REF LM431SAI KA(OFF) LM431SAI ≥V Figure 2. Test Circuit for V KA REF ...
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... V KA REF 600 400 200 0 -200 - CATHODE VOLTAGE (V) KA Figure 5. Cathode Current vs. Cathode Voltage Figure7. Reference Input Current vs. Ambient Temperature = INPUT 4 3 OUTPUT Time (us) Figure 9. Pulse Response LM431SAI I KA(MIN ...
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... LM431SAI Typical Performance Characteristics 140 120 A 100 80 stable 100p 1n 10n C , LOAD CAPACITANCE L Figure 10. Stability Boundary Conditions 0.0 0.2 0.4 0.6 0.8 1.0 Ref.-Cathode Voltage(V) Figure 12. Reference-Cathode Diode Curve 6 (Continued Vref 5 stable 100n ...
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... Figure 16. Current Limit or Current Source R ⎛ ⎞ 1 ------ - ⎝ ⎠ O ref R 2 LM7805/MC7805 LM431SAI Figure 14 . Output Control for - Three-Termianl Fixed Regulator Figure 17. Constant-Current Sink LM431SAI R ⎛ ⎞ ------ - = + ⎝ ⎠ O ref R 2 LM431SAI Figure 15. High Current Shunt Regulator LM431SAI 7 ...
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... LM431SAI Mechanical Dimensions Package Marking I 43A 2% tolerance 8 Dimensions in millimeters SOT-23F ...
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... LM431SAI Ordering Information Product Number LM431SAIMFX DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS ...