FAN431 Fairchild Semiconductor, FAN431 Datasheet
FAN431
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FAN431 Summary of contents
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... Internal Block Diagram REFERENCE REFERENCE (R) ©2011 Fairchild Semiconductor Corporation Description The FAN431/FAN431A/FAN431L are three terminal output adjustable regulators with thermal stability over operating temperature range. The output voltage can be set any value between V volts with two external resistors. These devices have a typical dynamic output impedance of 0.2Ω ...
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... FAN431/FAN431A/FAN431L 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) Z Suffix Package Power Dissipation (Note3,4) Z Suffix Package Junction Temperature Operating Temperature Range Storage Temperature Range Note: 1 ...
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... Min. Typ. Max. Min. Typ. Max. Min. Typ. Max =10mA 2.450 2.500 2.550 2.470 2.495 2.520 2.482 2.495 2.508 REF =10mA REF KA - 4.5 ≤T A MAX ΔV =10V -1.0 V REF ΔV =36V -0.5 10V - 1.5 =∞ 2 =∞ 0.45 REF =0 - 0.05 REF , REF - 0.15 FAN431/FAN431A/FAN431L FAN431A FAN431L 4.5 -2.7 - -1.0 -2.7 - -1.0 -2.0 - -0.5 -2 1.5 1.2 - 0.4 1.2 - 0.4 1.0 - 0.45 1.0 - 0.45 1.0 - 0.05 1.0 - 0.05 0.5 - 0.15 0.5 - 0.15 ...
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... FAN431/FAN431A/FAN431L Test Circuits FAN431 Figure 1. Test Circuit for V Figure 3. Test Circuit for REF FAN431 KA(OFF) FAN431 ≥V Figure 2. Test Circuit for V KA REF ...
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... Frequency (Hz) Figure 8. Small Signal Voltage Amplification vs. Frequency 100 125 10mA KA 1M 10M FAN431/FAN431A/FAN431L 800 REF 600 400 200 0 -200 - CATHODE VOLTAGE (V) KA Figure 5. Cathode Current vs. Cathode Voltage 3.5 3 ...
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... FAN431/FAN431A/FAN431L 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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... Shunt Regulator Figure 16. Current Limit or Current Source R ⎛ ------ - ⎝ O ref R LM7805/MC7805 FAN431 Figure 14 . Output Control for - Three-Termianl Fixed Regulator FAN431 FAN431/FAN431A/FAN431L ⎞ ⎛ 1 ⎠ ⎝ Figure 15. High Current Shunt Regulator FAN431 Figure 17. Constant-Current Sink R ⎞ ------ - 1 + ⎠ ref R 2 FAN431 7 ...
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... FAN431/FAN431A/FAN431L Mechanical Dimensions Package 4.58 0.46 ±0.10 1.27TYP [1.27 ±0.20 ] ±0.20 3.60 8 TO-92 Bulk Type +0.25 –0.15 1.27TYP [1.27 ±0.20 ] (R2.29) Dimensions in millimeters +0.10 0.38 –0.05 ...
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... Mechanical Dimensions Package TO-92 Ammo Type & Tape And Reel Type (Continued) FAN431/FAN431A/FAN431L Dimensions in millimeters 9 ...
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... Product Number Output Voltage Tolerance FAN431ZXA FAN431AZXA FAN431LZXA • For information on tape & reel and ammo pack specifications, including part orientation and tape sizes, please refer to our tape and reel data, www.fairchildsemi.com/products/discrete/pdf/to92_tr.pdf. 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 ...