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Description
The 1CH28-4 is an electronic component model in the IC Chips product category. It is a TL431 integrated circuit, which is a three-terminal programmable shunt regulator diode. This monolithic IC voltage reference can be programmed from Vref to 36 volts with two external resistors. It operates as a low temperature coefficient zener and has a wide operating current range of 1.0 to 100 mA with a typical dynamic impedance of 0.22Ω. The TL431 is an excellent replacement for zener diodes in applications such as digital voltmeters, power supplies, and op amp circuitry. It can be used as either a positive or negative voltage reference.
Specifications and features
1. Programmable Output Voltage to 36 Volts
2. Low Dynamic Output Impedance,0.22Ω Typical
3. Sink Current Capability of 1.0 to 100mA
4. Equivalent Full-Range Temperature Coefficient of 50ppm/℃ Typical
5. Temperature Compensated for Operation over Full Rated Operating Temperature Range
6. Low Output Noise VoltageApplication Scenarios
The TL431 can be used in various applications, including: - Digital voltmeters - Power supplies - Op amp circuitry
Comparison
Advantages- Programmable output voltage to 36 volts - Low dynamic output impedance - Wide sink current capability - Temperature compensated for operation over full rated operating temperature range
Disadvantages- None mentioned
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download 1CH28-4
- Chipdatas Part: CD88-1CH28-4
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/14 10:41 +0800
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