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LP431 - Programmable Precision Shunt Regulator

General Description

The LP431 is a three-terminal adjustable shunt regulator with a specified thermal stability.

The output voltage may be set to any value between VREF and 36V with two external resistors.

Key Features

  • Programmable Output Voltage to 36V.
  • Extended Cathode Current Range 80µA to 100mA.
  • Low (Typ. 0.08Ω) Dynamic Output Impedance.
  • Adjustable Output Voltage.
  • Fast Turn-on Response.
  • Low Output Noise.
  • Excellent Temperature Coefficient 25ppm/°C.
  • Available in SOT-23-3L Package LP431 SOT-23 PKG 2 TOP 1 3.

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Datasheet Details

Part number LP431
Manufacturer HTC KOREA
File Size 382.76 KB
Description Programmable Precision Shunt Regulator
Datasheet download datasheet LP431 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Programmable Precision Shunt Regulator FEATURES ⚫ Programmable Output Voltage to 36V ⚫ Extended Cathode Current Range 80µA to 100mA ⚫ Low (Typ. 0.08Ω) Dynamic Output Impedance ⚫ Adjustable Output Voltage ⚫ Fast Turn-on Response ⚫ Low Output Noise ⚫ Excellent Temperature Coefficient 25ppm/°C ⚫ Available in SOT-23-3L Package LP431 SOT-23 PKG 2 TOP 1 3 APPLICATIONS ⚫ Secondary Side Regulation in Flyback SMPS ⚫ Industrial, Computing, Consumer and Portables ⚫ Adjustable Voltage and Current Referencing ⚫ Power Management ⚫ Power Isolation ⚫ Zener Replacement Pin 1. REFERENCE 2. ANODE 3. CATHODE ORDERING INFORMATION Device Package LP431GxSF SOT-23-3L * Refer to the ordering information for the details.