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TL432-Q1

現行

車用可調式精密分流穩壓器 (針腳配置:RKA)

產品詳細資料

Rating Automotive VO (V) 2.495 Initial accuracy (max) (%) 0.5, 1 Iz for regulation (min) (µA) 400 VO adj (min) (V) 2.495 VO adj (max) (V) 36 Reference voltage (V) adjustable Temp coeff (max) (ppm/°C) 92 Operating temperature range (°C) -40 to 125 Iout/Iz (max) (mA) 100
Rating Automotive VO (V) 2.495 Initial accuracy (max) (%) 0.5, 1 Iz for regulation (min) (µA) 400 VO adj (min) (V) 2.495 VO adj (max) (V) 36 Reference voltage (V) adjustable Temp coeff (max) (ppm/°C) 92 Operating temperature range (°C) -40 to 125 Iout/Iz (max) (mA) 100
SOT-23 (DBZ) 3 6.9204 mm² 2.92 x 2.37
  • Qualified for automotive applications
  • AEC-Q100 test guidance with the following:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
  • Reference voltage tolerance at 25°C:
    • 1% (A Grade)
    • 0.5% (B Grade)
  • Typical temperature drift:
    • 14 mV (Q Temp)
  • Low output noise
  • 0.2-Ω Typical output impedance
  • Sink-current capability: 1 mA to 100 mA
  • Adjustable output voltage: VREF to 36 V
  • Qualified for automotive applications
  • AEC-Q100 test guidance with the following:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
  • Reference voltage tolerance at 25°C:
    • 1% (A Grade)
    • 0.5% (B Grade)
  • Typical temperature drift:
    • 14 mV (Q Temp)
  • Low output noise
  • 0.2-Ω Typical output impedance
  • Sink-current capability: 1 mA to 100 mA
  • Adjustable output voltage: VREF to 36 V

The TL431LI-Q1 / TL432LI-Q1 are pin-to-pin alternatives to TL431-Q1 / TL432-Q1. TL43xLI-Q1 offers better stability, lower temperature drift (VI(dev)), and lower reference current (Iref) for improved system accuracy.

The TL431-Q1 is a three-pin adjustable shunt regulator with specified thermal stability over applicable automotive temperature ranges. The output voltage can be set to any value from VREF (approximately 2.5 V) to 36 V, with two external resistors (see Figure 28). This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a sharp turnon characteristic, making this device an excellent replacement for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies.

The TL432-Q1 has exactly the same functionality and electrical specifications as the TL431-Q1 device, but has a different pinout for the DBZ package.

The TL431LI-Q1 / TL432LI-Q1 are pin-to-pin alternatives to TL431-Q1 / TL432-Q1. TL43xLI-Q1 offers better stability, lower temperature drift (VI(dev)), and lower reference current (Iref) for improved system accuracy.

The TL431-Q1 is a three-pin adjustable shunt regulator with specified thermal stability over applicable automotive temperature ranges. The output voltage can be set to any value from VREF (approximately 2.5 V) to 36 V, with two external resistors (see Figure 28). This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a sharp turnon characteristic, making this device an excellent replacement for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies.

The TL432-Q1 has exactly the same functionality and electrical specifications as the TL431-Q1 device, but has a different pinout for the DBZ package.

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重要文件 類型 標題 格式選項 日期
* Data sheet TL431-Q1 / TL432-Q1 Adjustable Precision Shunt Regulator datasheet (Rev. G) PDF | HTML 2020年 5月 7日
Functional safety information TL43x-Q1 Functional Safety FIT Rate and Failure Mode Distribution 2019年 12月 18日
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 2019年 6月 28日
Application brief Automotive LED Lighting with Adjustable Shunt References 2018年 7月 17日

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模擬型號

TL431 Family Unencrypted PSpice Transient and AC Model (Rev. B)

SLVM071B.ZIP (130 KB) - PSpice 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.
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參考設計

PMP22270 — 可調整輸出電壓、200-W SEPIC 電源供應參考設計

此 200-W SEPIC 轉換器參考設計提供非隔離式可調整 5 V 至 200 V 輸出電壓,最大輸出電流為 4 A。使用 0% 至 100% 的占空比、脈衝寬度調變 (PWM) 輸入來設定輸出電壓。
Test report: PDF
電路圖: PDF
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SOT-23 (DBZ) 3 Ultra Librarian

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