TLVH431

現行

1.5% 低電壓寬操作電流可調整精密度分流穩壓器

產品詳細資料

VO (V) 1.24 Initial accuracy (max) (%) 1.5 VO adj (min) (V) 1.24 VO adj (max) (V) 18 Iz for regulation (min) (µA) 60 Reference voltage (V) adjustable Rating Catalog Temp coeff (max) (ppm/°C) 138 Operating temperature range (°C) -40 to 125 Iout/Iz (max) (mA) 80
VO (V) 1.24 Initial accuracy (max) (%) 1.5 VO adj (min) (V) 1.24 VO adj (max) (V) 18 Iz for regulation (min) (µA) 60 Reference voltage (V) adjustable Rating Catalog Temp coeff (max) (ppm/°C) 138 Operating temperature range (°C) -40 to 125 Iout/Iz (max) (mA) 80
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8 SOT-23 (DBZ) 3 6.9204 mm² 2.92 x 2.37 SOT-89 (PK) 3 18.4275 mm² 4.5 x 4.095 SOT-SC70 (DCK) 6 4.2 mm² 2 x 2.1 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68
  • Low-voltage operation: down to 1.24V
  • Reference voltage tolerances at 25°C
    • 0.5% for B grade
    • 1% for A grade
    • 1.5% for standard grade
  • Adjustable output voltage, VO = VREF to 18V
  • Wide operating cathode current range: 100µA to 70mA
  • 0.25Ω typical output impedance
  • –40°C to +125°C specifications
  • TLVH432 provides alternative pinouts for SOT-23-3 and SOT-89 packages
  • Ultra-small SC-70 package offers 40% smaller footprint than SOT-23-3
  • Low-voltage operation: down to 1.24V
  • Reference voltage tolerances at 25°C
    • 0.5% for B grade
    • 1% for A grade
    • 1.5% for standard grade
  • Adjustable output voltage, VO = VREF to 18V
  • Wide operating cathode current range: 100µA to 70mA
  • 0.25Ω typical output impedance
  • –40°C to +125°C specifications
  • TLVH432 provides alternative pinouts for SOT-23-3 and SOT-89 packages
  • Ultra-small SC-70 package offers 40% smaller footprint than SOT-23-3

The TLVH431 and TLVH432 devices 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 (1.24V) and 18V with two external resistors (see Figure 6-2). These devices operate from a lower voltage (1.24V) than the widely used TL431 and TL1431 shunt-regulator references.

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

The TLVH432 device is identical to the TLVH431 device, but is offered with different pinouts for the 3-pin SOT-23 and SOT-89 packages.

The TLVH431 and TLVH432 devices 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 (1.24V) and 18V with two external resistors (see Figure 6-2). These devices operate from a lower voltage (1.24V) than the widely used TL431 and TL1431 shunt-regulator references.

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

The TLVH432 device is identical to the TLVH431 device, but is offered with different pinouts for the 3-pin SOT-23 and SOT-89 packages.

下載 觀看有字幕稿的影片 影片

您可能會感興趣的類似產品

open-in-new 比較替代產品
功能相同,但引腳輸出與所比較的裝置不同
TLV431B 現行 0.5% 準確度、低電壓、可調整精密度分流穩壓器 For cost optimized designs
TLVH431B 現行 0.5% 低電壓寬操作電流可調整精密度分流穩壓器 Converting to SMD package

技術文件

star =TI 所選的此產品重要文件
找不到結果。請清除您的搜尋條件,然後再試一次。
檢視所有 9
類型 標題 日期
* Data sheet TLVH431, TLVH432 Low-Voltage Adjustable Precision Shunt Regulators datasheet (Rev. N) PDF | HTML 2024年 6月 6日
E-book Tips and tricks for designing with voltage references (Rev. A) 2021年 5月 7日
Application note Using the TL431 for Undervoltage and Overvoltage Detection (Rev. A) 2019年 12月 11日
Selection guide 431 Device Nomenclature (Rev. B) 2019年 9月 18日
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 2019年 6月 28日
Technical article Designing for isolated DC/DC converter shunt safety PDF | HTML 2015年 8月 29日
Application note Designing Overcurrent protection for TPL7407L Peripheral Driver 2014年 11月 5日
Application note Setting the shunt voltage on an adjustable shunt regulator 2011年 9月 1日
More literature SLL Precision Reference Product Clip 2006年 2月 23日

設計與開發

如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

UCC25640EVM-020 — UCC25640x 半橋 LLC 評估模組

UCC25640EVM-020 is a 180W, LLC resonant converter using UCC256404. This EVM accepts DC input from 360V to 410V, AC input voltage from 85VAC to 264VAC and outputs 12VDC with 180W full load output power.
使用指南: PDF
TI.com 無法提供
開發板

BEAGLE-3P-BBONE-AI — 適用於嵌入式人工智慧的 BeagleBone® AI AM5729 開發板

What is BeagleBone® AI?

Built on the proven BeagleBoard.org® open source Linux approach, BeagleBone® AI fills the gap between small SBCs and more powerful industrial computers. Based on the Texas Instruments, Sitara™ AM5729 processor, developers have access to a highly integrated and (...)

使用指南: PDF
模擬型號

TLVH431 PSpice Transient Model

SLVM672.ZIP (19 KB) - PSpice Model
模擬型號

TLVH431 TINA-TI AC Reference Design

SLIM269.TSC (80 KB) - TINA-TI Reference Design
模擬型號

TLVH431 TINA-TI Transient Reference Design

SLIM268.TSC (45 KB) - TINA-TI Reference Design
模擬型號

TLVH431 TINA-TI Transient Spice Model

SLIM270.TSM (3 KB) - TINA-TI Spice Model
計算工具

SHUNT-REFERENCE-CALC Shunt Reference Selector and Design Calculator

This tool guides the user through the design process for the TLx431 and LM40x0 family of shunt voltage references. This calculator will recommend resistance and capacitance values to optimally meet the user's desired specifications.
支援產品和硬體

支援產品和硬體

產品
分流電壓參考
ATL431 2.5-V 低 IQ 可調整精密分流穩壓器 ATL431LI 以超小型 DQN 封裝提供的低 IQ 可編程分流穩壓器 ATL431LI-Q1 車用高頻寬、低 IQ 可編程分流穩壓器 (針腳配置:KRA) ATL432 2.5V 精密可編程分流穩壓器 ATL432LI 高頻寬、低 IQ 可編程分流穩壓器 (針腳配置:RKA) ATL432LI-Q1 車用高頻寬、低 IQ 可編程分流穩壓器 (針腳配置:RKA) LM4030 超高精確分流電壓參考 LM4040 固定電壓、45-µA 精密微功率分流電壓參考 LM4040-N 100-ppm/°C 精密微功率分流電壓參考 LM4040-N-Q1 車用 100-ppm/°C 精密微功率分流電壓參考 LM4040C25-EP 強化型產品 2.5V 精密微功耗分流電壓參考,0.5% 精確度 LM4041-N 固定式與可調式 45-µA 精密微功率分流電壓參考 LM4041-N-Q1 車用精密微功率分流電壓參考 LM4041A12 1.2-V 精密微功率分流電壓參考,0.1% 準確度 LM4041B 可調式精密微功耗分流電壓參考,0.2% 精確度 LM4041B12 1.2-V 精密微功率分流電壓參考,0.2% 準確度 LM4041C 可調式精密微功耗分流電壓參考,0.5% 精確度 LM4041C12 1.2-V 精密微功率分流電壓參考,0.5% 準確度 LM4041D 可調式精密微功耗分流電壓參考,1% 精確度 LM4041D12 1.2-V 精密微功率分流電壓參考,1% 準確度 LM4050-N 50-ppm/°C 精密微功率分流電壓參考 LM4050-N-Q1 車用 50-ppm/°C 精密微功率分流電壓參考 LM4050QML-SP 抗輻射 QMLV、2.5-V 或 5-V 分流電壓參考 LM4051-N 固定式與可調式精密微功率分流電壓參考 LMV431 1.5% 低電壓 (1.24-V) 可調式精密分流穩壓器 LMV431A 1% 低電壓 (1.24-V) 可調式精密分流穩壓器 LMV431B 0.5% 低電壓 (1.24-V) 可調節式精密分流穩壓器 TL431 可調整精密度分流穩壓器 TL431-Q1 車用可調式精密分流穩壓器 (針腳配置:KRA) TL431C 2% 可調式精準分流穩壓器 TL431LI 具有最佳化參考電流的可調整精密分流穩壓器 (針腳配置:KRA) TL431LI-Q1 具有最佳化參考電流的車用可調整精密分流穩壓器 TL432 可調精密度分流穩壓器 (反向針腳配置) TL432-Q1 車用可調式精密分流穩壓器 (針腳配置:RKA) TL432LI 具有最佳化參考電流的可調整精密分流穩壓器 (針腳配置:RKA) TL432LI-Q1 具有最佳化參考電流的車用可調整精密分流穩壓器 TLA431 具有 KRA 接腳配置的所有電容器穩定精密可編程參考 TLA432 具有 RKA 接腳配置的所有電容器穩定精密可編程參考 TLV431 1.5% 準確度、低電壓、可調整精密度分流穩壓器 TLV431A 1% 準確度、低電壓、可調整精密度分流穩壓器 TLV431A-Q1 車用低店家可調式精密分流聯穩壓器 TLV431B 0.5% 準確度、低電壓、可調整精密度分流穩壓器 TLV431B-Q1 車用、低電壓可調式精密分流穩壓器 TLVH431 1.5% 低電壓寬操作電流可調整精密度分流穩壓器 TLVH431A 1% 低電壓寬操作電流可調整精密度分流穩壓器 TLVH431A-Q1 車用、低電壓可調式精密分流穩壓器 TLVH431B 0.5% 低電壓寬操作電流可調整精密度分流穩壓器 TLVH431B-EP 強化型塑膠 0.5% 低電壓寬運作電流可調整精密度分流穩壓器 TLVH431B-Q1 車用低電壓可調式精密分流聯穩壓器 (反向接腳配置) TLVH432 1.5% 低電壓寬操作電流可調整精密度分流穩壓器 (反向針腳配置) TLVH432A 1% 低電壓寬操作電流可調整精密度分流穩壓器 (反向針腳配置) TLVH432B 0.5% 低電壓寬操作電流可調式精密分流穩壓器 (反向接腳配置)
一般用途運算放大器
TLV4313 四路、5.5-V、1-MHz、低靜態電流 (65-μA)、RRIO 運算放大器 TLV4314 四路、5.5-V、3-MHz、RRIO 運算放大器 TLV4314-Q1 車規、四路、5.5-V、3-MHz、RRIO 運算放大器 TLV4316 四路、5.5-V、10-MHz、RRIO 運算放大器 TLV4316-Q1 車規、四路、5.5-V、10-MHz、RRIO 運算放大器 TLV4379 四路、5.5-V、90-kHz、低靜態電流 (4-μA)、RRIO 運算放大器
精密度運算放大器 (Vos<1mV)
TLV4333 適用於成本導向系統的四路、350-kHz、低雜訊、RRIO、CMOS 運算放大器 TLV4376 四路、5.5-MHz、100 µV 偏移、8-nV/√Hz 雜訊、815-µA 功率、精密運算放大器 TLV4387 四路、超高精確度 (10 μV) 零漂移 (0.01 μV/°C)、低輸入偏壓電流運算放大器
模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
參考設計

TIDEP-0075 — 工業通訊閘道 PROFINET IRT 轉 PROFIBUS 主站參考設計

PROFINET is becoming the leading industrial Ethernet protocol in automation due to its high-speed, deterministic communications and enterprise connectivity. However, as the world’s most popular fieldbus, PROFIBUS’s importance and usage will continue for many years due to legacy (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDEP0078 — 適用於 AM572x 的 OPC UA 資料存取伺服器參考設計

OPC UA is an industrial machine-to-machine protocol designed to allow interoperability and communication between all machines connected under Industry 4.0. This reference design demonstrates use of the Matrikon OPC™ OPC UA server development kit (SDK) to allow communications using an OPC UA (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP10709 — 適用於 A13 車用無線充電器發送器的系統級電源參考設計

PMP10709 is a system optimized 50 W power designs for A13 Wireless Charger Transmitter used in automotive system. The design has various front end automotive protections such as Load dump through TVS (ISO pulse testing), Reverse Voltage (Through PFET’s body diode), Battery Disconnect Switch (...)
Test report: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-23 (DBV) 5 Ultra Librarian
SOT-23 (DBZ) 3 Ultra Librarian
SOT-89 (PK) 3 Ultra Librarian
SOT-SC70 (DCK) 6 Ultra Librarian
TO-92 (LP) 3 Ultra Librarian

訂購與品質

內含資訊:
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊:
  • 晶圓廠位置
  • 組裝地點

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

內容係由 TI 和社群貢獻者依「現狀」提供,且不構成 TI 規範。檢視使用條款

若有關於品質、封裝或訂購 TI 產品的問題,請參閱 TI 支援。​​​​​​​​​​​​​​

影片