Description

The IC43R16800-5T is a 3-terminal adjustable precision shunt regulator belonging to the IC Chips product category. It is designed to provide a stable output voltage over a wide range of temperatures. The output voltage can be set between 2.495V (VREF) and 30V by using external resistors as a voltage divider network. With a typical output impedance of 0.08Ω, the IC43R16800-5T offers a sharp turn-on characteristic and can be used as an improved replacement for zener diodes in various applications.

Specifications and Features

• Unconditionally Stable
• Precision Reference Voltage:
  • AIC431: 2.495V ±0.5%
  • TL431A: 2.495V ±1.0%
  • TL431: 2.495V ±1.6%
• Sink Current Capability: 200mA
• Minimum Cathode Current for Regulation: 250mA
• Equivalent Full-Range Temperature Coefficient: 50 ppm/°C
• Fast Turn-On Response
• Low Dynamic Output Impedance: 0.08Ω
• Adjustable Output Voltage
• Low Output Noise
• Available in SOT-89, SOT-23, TO-92, and SO8 packages

Application Scenarios

The IC43R16800-5T can be used in various electronic applications requiring precise voltage regulation. It is suitable for situations where zener diodes are traditionally used and offers improved performance.

Comparison

• Guaranteed temperature stability
• Wide range of adjustable output voltages
• Precision reference voltage
• Fast turn-on response
• Low output noise
• Available in multiple package options for flexibility

• Requires external resistors for voltage adjustment
• Output impedance of 0.08Ω