TLVH431A-Q1 - 汽车类低压可调节精密并联稳压器

TLVH431A-Q1是TI德州仪器公司的一款并联电压基准产品，TLVH431A-Q1是汽车类低压可调节精密并联稳压器，本站介绍了TLVH431A-Q1的封装应用图解、特点和优点、功能等，并给出了与TLVH431A-Q1相关的TI元器件型号供参考。

TLVH431A-Q1 - 汽车类低压可调节精密并联稳压器 - 并联电压基准 - 电压基准 - 德州仪器

产品描述

The TLVH431 devices are low-voltage 3-terminal adjustable voltage references, with thermal stability specified over the automotive temperature range. 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 devices are ideal voltage reference in isolated feedback circuits for 3-V to 3.3-V switching-mode power supplies. They have a typical output impedance of 0.25 . Active output circuitry provides a very sharp turn-on characteristic, making the TLVH431 an excellent replacement for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.

产品特性

Qualified for Automotive Applications
Low-Voltage Operation: Down to 1.24 V
Reference Voltage Tolerances at 25°C
- 0.5% for B Grade
- 1% for A Grade
Adjustable Output Voltage, VO = VREF to 18 V
Wide Operating Cathode Current Range: 100 µA to 70 mA
0.25- Typical Output Impedance
–40°C to 125°C Specifications

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