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TI - TL431 (ACTIVE) 可调节精密并联稳压器 - 电压基准 并联电压基准

TL431 (ACTIVE) 可调节精密并联稳压器 此图片只做参考用
真图请以实物为准
库存状况
  • 库存数量: 47500
  • 包装规格:
  • 最小订单量:1
  • 多重订单量:1
  • 单位价格(不含税):CNY 1.00
数量:
价格
    数量单位价格(不含税)
    1-24CNY 1.00
    25-49CNY 0.95
    50-99CNY 0.90
    100-249CNY 0.85
  • 制造商:TI
  • 库存编号:1616558
  • 商品型号:TL431IDR
  • RoHS胁从产品:
  • 备注:
  • 产品描述:The TL431 and TL432 are three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges.

The TL431 and TL432 are three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V, with two external resistors (see Figure 17). These devices have a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The TL432 has exactly the same functionality and electrical specifications as the TL431, but has different pinouts for the DBV, DBZ, and PK packages.

Both the TL431 and TL432 devices are offered in three grades, with initial tolerances (at 25°C) of 0.5%, 1%, and 2%, for the B, A, and standard grade, respectively. In addition, low output drift vs temperature ensures good stability over the entire temperature range.

The TL43xxC devices are characterized for operation from 0°C to 70°C, the TL43xxI devices are characterized for operation from –40°C to 85°C, and the TL43xxQ devices are characterized for operation from –40°C to 125°C.

特性

Operation From −40°C to 125°C

Reference Voltage Tolerance at 25°C

0.5% . . . B Grade

1%. . . A Grade

2% . . . Standard Grade

Typical Temperature Drift (TL431B)

6 mV (C Temp)

14 mV (I Temp, 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


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