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TL431 family

Adjustable precision shunt regulator

Three-terminal shunt regulator family with an output voltage range between

Vref = 2.495 V and 36 V, to be set by two external resistors.

Reference voltage

tolerance (Vref)

 Temperature range (Tamb)

Pinning configuration

0 ° C to 70 °C

-40 ° C to 85 °C

-40 ° C to 125 °C

2.0 %

TL431CDBZR

TL431IDBZR

TL431QDBZR

normal pinning

TL431FDT

normal pinning

TL431MFDT

mirrored pinning

1.0 %

TL431ACDBZR

TL431AIDBZR

TL431AQDBZR

normal pinning

TL431AFDT

normal pinning

TL431AMFDT

mirrored pinning

0.5 %

TL431BCDBZR

TL431BIDBZR

TL431BQDBZR

normal pinning

TL431BFDT

normal pinning

TL431BMFDT

mirrored pinning

特性

  • Programmable output voltage up to 36 V

  • Three different reference voltage tolerances:

    • Standard grade: 2 %

    • A-Grade: 1 %

    • B-Grade: 0.5 %

  • Typical temperature drift: 9 mV (in a range of 0 °C up to 70 °C)

  • Low output noise

  • Typical output impedance: 0.2 Ω

  • Sink current capability: 1 mA to 100 mA

  • AEC-Q100 qualified (grade 1)

目标应用

  • Shunt regulator

  • Precision current limiter

  • Precision constant current sink

  • Isolated feedback loop for Switch Mode Power Supply (SMPS)

参数类型

Type numberPackage versionPackage nameSize (mm)Pinning configurationTamb (°C)Vref tolerance (%)Vref (V)VKA (V)IK (mA)
TL431ACDBZRSOT23SOT232.9 x 1.3 x 1normal0~7012.49536100
TL431AFDTSOT23SOT232.9 x 1.3 x 1normal-40~12512.49536100
TL431AIDBZRSOT23SOT232.9 x 1.3 x 1normal-40~8512.49536100
TL431AMFDTSOT23SOT232.9 x 1.3 x 1mirrored-40~12512.49536100
TL431AQDBZRSOT23SOT232.9 x 1.3 x 1normal-40~12512.49536100
TL431BCDBZRSOT23SOT232.9 x 1.3 x 1normal0~700.52.49536100
TL431BFDTSOT23SOT232.9 x 1.3 x 1normal-40~1250.52.49536100
TL431BIDBZRSOT23SOT232.9 x 1.3 x 1normal-40~850.52.49536100
TL431BMFDTSOT23SOT232.9 x 1.3 x 1mirrored-40~1250.52.49536100
TL431BQDBZRSOT23SOT232.9 x 1.3 x 1normal-40~1250.52.49536100
TL431CDBZRSOT23SOT232.9 x 1.3 x 1normal0~7022.49536100
TL431FDTSOT23SOT232.9 x 1.3 x 1normal-40~12522.49536100
TL431IDBZRSOT23SOT232.9 x 1.3 x 1normal-40~8522.49536100
TL431MFDTSOT23SOT232.9 x 1.3 x 1mirrored-40~12522.49536100
TL431QDBZRSOT23SOT232.9 x 1.3 x 1normal-40~12522.49536100

封装

型号封装尺寸版本回流焊/波峰焊包装状态标示可订购的器件编号，（订购码(12NC)）
TL431ACDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_235ActiveCD%TL431ACDBZRVL
( 9352 880 19235 )
SOT23_215ActiveCD%TL431ACDBZR,215
( 9352 880 19215 )
TL431AFDTSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveAS%TL431AFDT,215
( 9352 932 75215 )
TL431AFDT/8SOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveAS%TL431AFDT/8R
( 9356 907 61215 )
TL431AIDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveCE%TL431AIDBZR,215
( 9352 880 21215 )
TL431AMFDTSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveAV%TL431AMFDT,215
( 9352 932 78215 )
TL431AQDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_235ActiveCF%TL431AQDBZRVL
( 9352 880 22235 )
SOT23_215ActiveCF%TL431AQDBZR,215
( 9352 880 22215 )
TL431BCDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_235ActiveCG%TL431BCDBZRVL
( 9352 880 23235 )
SOT23_215ActiveCG%TL431BCDBZR,215
( 9352 880 23215 )
TL431BFDTSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveAT%TL431BFDT,215
( 9352 932 76215 )
TL431BIDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveCH%TL431BIDBZR,215
( 9352 880 24215 )
TL431BMFDTSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_235ActiveAW%TL431BMFDTVL
( 9352 932 79235 )
SOT23_215ActiveAW%TL431BMFDT,215
( 9352 932 79215 )
TL431BQDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveCJ%TL431BQDBZR,215
( 9352 880 25215 )
TL431CDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveCA%TL431CDBZR,215
( 9352 880 16215 )
TL431FDTSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveAR%TL431FDT,215
( 9352 932 74215 )
TL431IDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveCB%TL431IDBZR,215
( 9352 880 17215 )
TL431MFDTSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveAU%TL431MFDT,215
( 9352 932 77215 )
TL431QDBZRSOT23-1
(SOT23) 		REFLOW_BG-BD-1
SOT23_215ActiveCC%TL431QDBZR,215
( 9352 880 18215 )

停产信息

型号可订购的器件编号，（订购码(12NC)）最后一次购买日期最后一次交货日期替代产品状态备注
TL431BFDT/NP935296864215
TL431BMFDT/8935690762235
TL431BMFDT/8935690762215

环境信息

型号可订购的器件编号化学成分RoHSRHF指示符无铅转换日期
TL431ACDBZRTL431ACDBZRVLTL431ACDBZRweek 25, 2019
TL431ACDBZRTL431ACDBZR,215TL431ACDBZRAlways Pb-free
TL431AFDTTL431AFDT,215TL431AFDTAlways Pb-free
TL431AFDT/8TL431AFDT/8RTL431AFDT/8week 25, 2019
TL431AIDBZRTL431AIDBZR,215TL431AIDBZRAlways Pb-free
TL431AMFDTTL431AMFDT,215TL431AMFDTAlways Pb-free
TL431AQDBZRTL431AQDBZRVLTL431AQDBZRweek 25, 2019
TL431AQDBZRTL431AQDBZR,215TL431AQDBZRAlways Pb-free
TL431BCDBZRTL431BCDBZRVLTL431BCDBZRweek 25, 2019
TL431BCDBZRTL431BCDBZR,215TL431BCDBZRAlways Pb-free
TL431BFDTTL431BFDT,215TL431BFDTAlways Pb-free
TL431BIDBZRTL431BIDBZR,215TL431BIDBZRAlways Pb-free
TL431BMFDTTL431BMFDTVLTL431BMFDTweek 25, 2019
TL431BMFDTTL431BMFDT,215TL431BMFDTAlways Pb-free
TL431BQDBZRTL431BQDBZR,215TL431BQDBZRAlways Pb-free
TL431CDBZRTL431CDBZR,215TL431CDBZRAlways Pb-free
TL431FDTTL431FDT,215TL431FDTAlways Pb-free
TL431IDBZRTL431IDBZR,215TL431IDBZRAlways Pb-free
TL431MFDTTL431MFDT,215TL431MFDTAlways Pb-free
TL431QDBZRTL431QDBZR,215TL431QDBZRAlways Pb-free
品质及可靠性免责声明

文档 (2)

文件名称标题类型日期
Nexperia_Selection_guide_2023Nexperia Selection Guide 2023Selection guide2023-05-10
REFLOW_BG-BD-1Reflow soldering profileReflow soldering2021-04-06

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