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TLVH432

現行

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)

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產品規格表

TLVH432

現行
產品規格表 立即訂購

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 (DBZ) 3 6.9204 mm² 2.92 x 2.37 SOT-89 (PK) 3 18.4275 mm² 4.5 x 4.095
  • Low-voltage operation: down to 1.24 V
  • 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 18 V
  • Wide operating cathode current range: 100 µA to 70 mA
  • 0.25-Ω 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 1.24 V
  • 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 18 V
  • Wide operating cathode current range: 100 µA to 70 mA
  • 0.25-Ω 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 (1.24 V) and 18 V with two external resistors (see Figure 7-2). 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 devices 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 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 (1.24 V) and 18 V with two external resistors (see Figure 7-2). 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 devices 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 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.
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類型 標題 日期
* Data sheet TLVH431, TLVH432 Low-Voltage Adjustable Precision Shunt Regulators datasheet (Rev. M) PDF | HTML 2023年 1月 26日
Application note Optimization of a Shunt Reference for Flyback Converters PDF | HTML 2023年 10月 18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
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

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