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查询TL431供应商 SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 Operation From −40°C to 125°C Low Output Noise − 0.5% B Grade 0.2-Ω Typical Output Impedance − 1% A Grade Sink-Current Capability 1 m A to 100 m...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 description/ordering information The TL431 and TL432 are three-terminal adjustable shunt regulators, with specified thermal stability over applicable autom...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 description/ordering information (continued) Vref TOLERANCE (25°C) = 2% TL431, TL432 ORDERING INFORMATION ORDERABLE TOP-SIDE TA PACKAGE† PART NUMBER MARKIN...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 description/ordering information (continued) Vref TOLERANCE (25°C) = 2% TL431, TL432 ORDERING INFORMATION ORDERABLE TOP-SIDE TA PACKAGE† PART NUMBER MARKIN...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 description/ordering information (continued) Vref TOLERANCE (25°C) = 1% TL431A, TL432A ORDERING INFORMATION ORDERABLE TOP-SIDE TA PACKAGE† PART NUMBER MARK...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 description/ordering information (continued) Vref TOLERANCE (25°C) = 0.5% TL431B, TL432B ORDERING INFORMATION ORDERABLE TOP-SIDE TA PACKAGE† PART NUMBER MA...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 description/ordering information (continued) Vref TOLERANCE (25°C) = 0.5% TL431B, TL432B ORDERING INFORMATION (CONTINUED) ORDERABLE TOP-SIDE TA PACKAGE† PA...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 equivalent schematic† CATHODE ANODE All component values are nominal. absolute maximum ratings over operating free-air temperature range (unless otherwise ...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 recommended operating conditions MIN MAX UNIT VKA Cathode voltage Vref IKA Cathode current m A TL43xx C TA Operating free-air temperature range TL43xx I −4...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 electrical characteristics over recommended operating conditions, TA = 25°C (unless otherwise noted) TEST TL431C, TL432C PARAMETER TEST CONDITIONS UNITCIRC...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 electrical characteristics over recommended operating conditions, TA = 25°C (unless otherwise noted) TEST TL431I, TL432I PARAMETER TEST CONDITIONS UNITCIRC...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 electrical characteristics over recommended operating conditions, TA = 25°C (unless otherwise noted) TEST TL431AC, TL432AC PARAMETER TEST CONDITIONS UNITCI...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 electrical characteristics over recommended operating conditions, TA = 25°C (unless otherwise noted) TEST TL431AQ, TL432AQ PARAMETER TEST CONDITIONS UNITCI...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 electrical characteristics over recommended operating conditions, TA = 25°C (unless otherwise noted) TEST TL431BI, TL432BI PARAMETER TEST CONDITIONS UNITCI...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 PARAMETER MEASUREMENT INFORMATION Input VKA Figure 2. Test Circuit for VKA = Vref VKAInput IKA R1 Iref R2 Vref R1 VKA Vref1 Iref R1 Figure 3. Test Circuit...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 TYPICAL CHARACTERISTICS Table 1. Graphs FIGURE Reference voltage vs Free-air temperature Reference current vs Free-air temperature Cathode current vs Catho...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 re ef er en ce lt ag at TYPICAL CHARACTERISTICS† rr en REFERENCE VOLTAGE REFERENCE CURRENT vs vs FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE VKA = Vref R1 = ...
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ff ff -S ta te at rr en SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 TYPICAL CHARACTERISTICS† RATIO OF DELTA REFERENCE VOLTAGE TO OFF-STATE CATHODE CURRENT DELTA CATHODE VOLTAGE vs vs FREE-AIR TEMPERA...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 TYPICAL CHARACTERISTICS EQUIVALENT INPUT NOISE VOLTAGE OVER A 10-S PERIOD iv al en In is Vo lt ag −4 f = 0.1 to 10 Hz IKA = 10 m A −5 TA = 25°C −6 t − Time...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 |z ef er en ce Im ed an ce al l- ig al lt ag lif ic at io TYPICAL CHARACTERISTICS SMALL-SIGNAL VOLTAGE AMPLIFICATION FREQUENCY IKA = 10 m A TA = 25°C IKA =...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 PULSE RESPONSE In an tp Vo lt ag TA = 25°C Input Output Pulse Generator 50 Ω f = 100 k Hz Output TEST CIRCUIT FOR PULSE RESPONSE t − Time − µs Figure 15 21...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 at rr en at rr en TYPICAL CHARACTERISTICS STABILITY BOUNDARY CONDITIONS† FOR ALL TL431 AND TL431A DEVICES (EXCEPT FOR SOT23-3, SC-70, AND Q-TEMP DEVICES) A...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 APPLICATION INFORMATION (see Note A) VI(BATT) VO Vref R1 Vref TL431 VO RETURN NOTE A: R should provide cathode current ≥1 m A to the TL431 at minimum VI(BA...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 APPLICATION INFORMATION VI(BATT) IN OUT u A7805 VO Common R1 R1 Vref TL431 Minimum VO Vref Figure 20. Output Control of a Three-Terminal Fixed Regulator VI...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 APPLICATION INFORMATION IN OUT VI(BATT) LM317 VO ≈5 V, 1.5 A 8.2 kΩ Adjust TL431 Figure 23. Precision 5-V 1.5-A Regulator VI(BATT) VO ≈5 V (see Note A) 27....
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 APPLICATION INFORMATION R3 (see Note A) VI(BATT) (see Note A) R1B Vref Low Limit TL431 R1A Vref High Limit LED on When Low Limit < VI(BATT) < High Li...
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SLVS543A – AUGUST 2004 − REVISED AUGUST 2004 APPLICATION INFORMATION VI(BATT) Vref IO RS TL431 RS 0.1% Figure 29. Precision Constant-Current Sink 27POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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MECHANICAL DATA MCER001A – JANUARY 1995 – REVISED JANUARY 1997 JG (R-GDIP-T8) CERAMIC DUAL-IN-LINE 0.020 (0,51) MIN 0.200 (5,08) MAX Seating Plane 0.130 (3,30) MIN NOTES: A. All linear dimensions are ...
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MECHANICAL DATA MLCC006B – OCTOBER 1996 FK (S-CQCC-N**) LEADLESS CERAMIC CHIP CARRIER 28 TERMINAL SHOWN ANO. OF TERMINALS MIN MINMAX MAX B SQ 0.640 0.660 0.495 0.560 NOTES: A. All linear dimensions ar...
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MECHANICAL DATA MPDI001A – JANUARY 1995 – REVISED JUNE 1999 P (R-PDIP-T8) PLASTIC DUAL-IN-LINE 0.070 (1,78) MAX 0.020 (0,51) MIN Gage Plane 0.200 (5,08) MAX Seating Plane 0.010 (0,25) NOM 0.125 (3,18)...
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MECHANICAL DATA MPDS108 – AUGUST 2001 DBZ (R-PDSO-G3) PLASTIC SMALL-OUTLINE 0,55 REF NOTES: A. All linear dimensions are in millimeters. B. This drawing is subject to change without notice. C. Dimensi...
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MECHANICAL DATA MPSF001F – JANUARY 1996 – REVISED JANUARY 2002 KTP (R-PSFM-G2) Power FLEX PLASTIC FLANGE-MOUNT PACKAGE 0.130 (3,30) NOM 0.010 (0,25) NOM Thermal Tab (See Note C) 0.032 (0,81) MAX Seat...
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MECHANICAL DATA MSOT002A – OCTOBER 1994 – REVISED NOVEMBER 2001 LP (O-PBCY-W3) PLASTIC CYLINDRICAL PACKAGE Seating Plane 0.157 (4,00) MAX 0.500 (12,70) MIN FORMED LEAD OPTION STRAIGHT LEAD OPTION 0.13...
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MECHANICAL DATA MSOT002A – OCTOBER 1994 – REVISED NOVEMBER 2001 LP (O-PBCY-W3) PLASTIC CYLINDRICAL PACKAGE 0.020 (0,50) MIN TAPE & REEL NOTES: A. All linear dimensions are in inches (millimeters)....
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MECHANICAL DATA MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999 PW (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE 14 PINS SHOWN 0,15 NOM Gage Plane Seating Plane 1,20 MAX 0,10 PINS ** DIM A MAX 3,10 5,10 ...
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