电压基准
GT432A
The GT431A and GT432A device are three-terminaadjustable shunt regulators, with a guaranteed thermalstability over applicable temperature ranges. The outputvoltage can be set to any value between VREF(approximately 2.5V)and 36V with two externalresistors.These devices provide a very sharp turn-oncharacteristic,making these devices excelentreplacement for Zener diodes in many applicationsBoth the GT431A and GT432A devices are specifiedwith an initial tolerance of 0.5% at 25°C
特性
- Reference voltage tolerance 0.5% at 25°C
- Programmable output voltage to 36V
- Low dynamic output impedance 0.2Ω
- Sink current capability of 1mA to 100mA
- Equivalent full-range temperature coefficient of
50ppm/°C maximum
-Temperature compensated for operation over full
rated operating temperature range
- Low output noise voltage
- Fast turn on response
- Operation from -40°C to 125°C
- Lead-Free packages: SOT23
应用
- Adjustable voltage and current referencing
- Power supply
- Zener replacement
- Voltage monitoring
- Comparator with integrated reference
- As precision voltage reference