TLVH431A 低电压可调节精密并联稳压器

TLVH431A 描述

The TLVH431 and TLVH432 are low-voltage 3-terminal adjustable voltage references, with specified thermal stability over applicable industrial and commercial temperature ranges. Output voltage can be set to any value between VREF (1.24 V) and 18 V with two external resistors (see Figure 2). These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shunt-regulator references.

When used with an optocoupler, the TLVH431 and TLVH432 are ideal voltage references in isolated feedback circuits for 3-V to 3.3-V switching-mode power supplies. They have a typical output impedance of 0.25 Ω. Active output circuitry provides a very sharp turn-on characteristic, making the TLVH431 and TLVH432 excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.

TLVH431 TLVH431A TLVH431B
VO Adj(Min)(V) 1.24   1.24   1.24  
VO Adj(Max)(V) 18   18   18  
Initial Accuracy @ 25/deg C(%) 1.5   1   0.5  
Min Iz for Regulation(uA) 80   80   80  
Iout/Iz(Max)(mA) 80   80   80  
Pin/Package 3SOT-23, 3SOT-89, 3TO-92, 5SOT-23, 6SC70   3SOT-89, 5SOT-23, 6SC70, 3TO-92, 3SOT-23   3SOT-23, 3SOT-89, 6SC70, 3TO-92, 5SOT-23  
Approx. Price (US$) 0.27 | 1ku   0.31 | 1ku   0.41 | 1ku  
Operating Temperature Range(°C) -40 to 125,-40 to 85,0 to 70   -40 to 125,0 to 70,-40 to 85   -40 to 125,0 to 70,-40 to 85  
Rating Catalog   Catalog   Catalog
TLVH431A 特性
TLVH431A 芯片订购指南
器件 状态 温度 (oC) 价格(美元) 封装 | 引脚 封装数量 | 封装载体 丝印标记
TLVH431ACDBVR ACTIVE 0 to 70 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431ACDBVRE4 ACTIVE 0 to 70 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431ACDBVRG4 ACTIVE 0 to 70 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431ACDBVT ACTIVE 0 to 70 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431ACDBVTE4 ACTIVE 0 to 70 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431ACDBVTG4 ACTIVE 0 to 70 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431ACDBZR ACTIVE 0 to 70 0.30 | 1ku SOT-23 (DBZ) | 3 3000 | LARGE T&R (Y3US, Y3UU)
TLVH431ACDBZRG4 ACTIVE 0 to 70 0.30 | 1ku SOT-23 (DBZ) | 3 3000 | LARGE T&R (Y3US, Y3UU)
TLVH431ACDBZT ACTIVE 0 to 70 0.60 | 1ku SOT-23 (DBZ) | 3 250 | SMALL T&R (Y3US, Y3UU)
TLVH431ACDBZTG4 ACTIVE 0 to 70 0.60 | 1ku SOT-23 (DBZ) | 3 250 | SMALL T&R (Y3US, Y3UU)
TLVH431ACDCKR ACTIVE 0 to 70 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431ACDCKRE4 ACTIVE 0 to 70 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431ACDCKRG4 ACTIVE 0 to 70 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431ACDCKT ACTIVE 0 to 70 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431ACDCKTE4 ACTIVE 0 to 70 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431ACDCKTG4 ACTIVE 0 to 70 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431ACLP ACTIVE 0 to 70 0.27 | 1ku TO-92 (LP) | 3 1000 | BULK ZA431
TLVH431ACLPE3 ACTIVE 0 to 70 0.27 | 1ku TO-92 (LP) | 3 1000 | BULK ZA431
TLVH431ACLPR ACTIVE 0 to 70 0.27 | 1ku TO-92 (LP) | 3 2000 | LARGE T&R ZA431
TLVH431ACLPRE3 ACTIVE 0 to 70 0.27 | 1ku TO-92 (LP) | 3 2000 | LARGE T&R ZA431
TLVH431ACPK ACTIVE 0 to 70 0.27 | 1ku SOT-89 (PK) | 3 1000 | LARGE T&R W4
TLVH431ACPKG3 ACTIVE 0 to 70 0.27 | 1ku SOT-89 (PK) | 3 1000 | LARGE T&R W4
TLVH431AIDBVR ACTIVE -40 to 85 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431AIDBVRE4 ACTIVE -40 to 85 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431AIDBVRG4 ACTIVE -40 to 85 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431AIDBVT ACTIVE -40 to 85 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431AIDBVTE4 ACTIVE -40 to 85 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431AIDBVTG4 ACTIVE -40 to 85 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431AIDBZR ACTIVE -40 to 85 0.30 | 1ku SOT-23 (DBZ) | 3 3000 | LARGE T&R (Y3US, Y3UU)
TLVH431AIDBZRG4 ACTIVE -40 to 85 0.30 | 1ku SOT-23 (DBZ) | 3 3000 | LARGE T&R (Y3US, Y3UU)
TLVH431AIDBZT ACTIVE -40 to 85 0.60 | 1ku SOT-23 (DBZ) | 3 250 | SMALL T&R (Y3US, Y3UU)
TLVH431AIDBZTG4 ACTIVE -40 to 85 0.60 | 1ku SOT-23 (DBZ) | 3 250 | SMALL T&R (Y3US, Y3UU)
TLVH431AIDCKR ACTIVE -40 to 85 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431AIDCKRE4 ACTIVE -40 to 85 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431AIDCKRG4 ACTIVE -40 to 85 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431AIDCKT ACTIVE -40 to 85 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431AIDCKTE4 ACTIVE -40 to 85 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431AIDCKTG4 ACTIVE -40 to 85 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431AILP ACTIVE -40 to 85 0.27 | 1ku TO-92 (LP) | 3 1000 | BULK ZA431
TLVH431AILPE3 ACTIVE -40 to 85 0.27 | 1ku TO-92 (LP) | 3 1000 | BULK ZA431
TLVH431AILPR ACTIVE -40 to 85 0.27 | 1ku TO-92 (LP) | 3 2000 | LARGE T&R ZA431
TLVH431AILPRE3 ACTIVE -40 to 85 0.27 | 1ku TO-92 (LP) | 3 2000 | LARGE T&R ZA431
TLVH431AIPK ACTIVE -40 to 85 0.27 | 1ku SOT-89 (PK) | 3 1000 | LARGE T&R W4
TLVH431AIPKG3 ACTIVE -40 to 85 0.27 | 1ku SOT-89 (PK) | 3 1000 | LARGE T&R W4
TLVH431AQDBVR ACTIVE -40 to 125 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431AQDBVRE4 ACTIVE -40 to 125 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431AQDBVRG4 ACTIVE -40 to 125 0.27 | 1ku SOT-23 (DBV) | 5 3000 | LARGE T&R Y3UU
TLVH431AQDBVT ACTIVE -40 to 125 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431AQDBVTE4 ACTIVE -40 to 125 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431AQDBVTG4 ACTIVE -40 to 125 0.55 | 1ku SOT-23 (DBV) | 5 250 | SMALL T&R Y3UU
TLVH431AQDBZR ACTIVE -40 to 125 0.30 | 1ku SOT-23 (DBZ) | 3 3000 | LARGE T&R (Y3US, Y3UU)
TLVH431AQDBZRG4 ACTIVE -40 to 125 0.30 | 1ku SOT-23 (DBZ) | 3 3000 | LARGE T&R (Y3US, Y3UU)
TLVH431AQDBZT ACTIVE -40 to 125 0.60 | 1ku SOT-23 (DBZ) | 3 250 | SMALL T&R (Y3US, Y3UU)
TLVH431AQDBZTG4 ACTIVE -40 to 125 0.60 | 1ku SOT-23 (DBZ) | 3 250 | SMALL T&R (Y3US, Y3UU)
TLVH431AQDCKR ACTIVE -40 to 125 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431AQDCKRE4 ACTIVE -40 to 125 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431AQDCKRG4 ACTIVE -40 to 125 0.27 | 1ku SC70 (DCK) | 6 3000 | LARGE T&R YUU
TLVH431AQDCKT ACTIVE -40 to 125 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431AQDCKTE4 ACTIVE -40 to 125 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431AQDCKTG4 ACTIVE -40 to 125 0.55 | 1ku SC70 (DCK) | 6 250 | SMALL T&R YUU
TLVH431AQLP ACTIVE -40 to 125 0.27 | 1ku TO-92 (LP) | 3 1000 | BULK ZA431
TLVH431AQLPE3 ACTIVE -40 to 125 0.27 | 1ku TO-92 (LP) | 3 1000 | BULK ZA431
TLVH431AQLPR ACTIVE -40 to 125 0.27 | 1ku TO-92 (LP) | 3 2000 | LARGE T&R ZA431
TLVH431AQLPRE3 ACTIVE -40 to 125 0.27 | 1ku TO-92 (LP) | 3 2000 | LARGE T&R ZA431
TLVH431AQPK ACTIVE -40 to 125 0.27 | 1ku SOT-89 (PK) | 3 1000 | LARGE T&R W4
TLVH431AQPKG3 ACTIVE -40 to 125 0.27 | 1ku SOT-89 (PK) | 3 1000 | LARGE T&R W4
TLVH431A 应用技术支持与电子电路设计开发资源下载
  1. TLVH431A 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器并联电压基准产品选型与价格参考 . xls
  3. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
  4. 所选封装材料的热学和电学性质 (PDF 645 KB)
  5. 高速数据转换 (PDF 1967 KB)
  6. Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
  7. Analog-to-Digital Converter Grounding Practices Affect System Performance (PDF 56 KB)
  8. Principles of Data Acquisition and Conversion (PDF 50 KB)
  9. Interleaving Analog-to-Digital Converters (PDF 64 KB)
  10. What Designers Should Know About Data Converter Drift (PDF 95 KB)
  11. Giving Delta-Sigma Converters a Gain Boost with a Front End Analog Gain Stage (PDF 70 KB)
  12. Programming Tricks for Higher Conversion Speeds Utilizing Delta Sigma Converters (PDF 105 KB)
TLVH431A 工具与软件
名称 型号 公司 工具/软件类型
针对 Code Composer Studio 的 DCPFREETOOL 软件插件 DCPFREETOOL Texas Instruments 实用程序/插件
MDACBufferPro Design Utility for Multiplying Digital to Analog Converter Design MDACBUFFERPRO Texas Instruments  应用软件