Overview
The TL431ACDM is an Integrated Circuit (IC) from Microsemi Corporation, categorized under Power Management (PMIC) and Voltage Reference. It is a shunt voltage reference IC designed to provide an adjustable output voltage of 2.5V to 36V with a tolerance of ±1%. The device features a high current output capability of up to 100mA, making it suitable for various applications. This IC is packaged in an 8-SOIC (0.154", 3.90mm Width) and operates within the temperature range of 0°C to 70°C (TA). Although this product has reached its end-of-life status, it remains a reliable choice for designers seeking a high-performance voltage reference solution.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | 8-SOIC (0.154", 3.90mm Width) | |
| Voltage - Output (Min/Fixed) | 2.5V | V |
| Voltage - Output (Max) | 36V | V |
| Current - Output | 100mA | mA |
| Tolerance | ±1% | % |
| Temperature Coefficient | 30ppm/°C Typical | ppm/°C |
| Current - Cathode | 1mA | mA |
| Operating Temperature | 0°C ~ 70°C (TA) | °C |
| Mounting Type | Surface Mount |
Key Features
- Adjustable output voltage from 2.5V to 36V
- ±1% tolerance ensures accurate voltage regulation
- High current output capability of up to 100mA
- Low supply and cathode currents minimize power consumption
- Operating temperature range: 0°C to 70°C (TA)
- Packaged in an 8-SOIC (0.154", 3.90mm Width)
- Low output impedance for improved load regulation
- Typical output dynamic impedance less than 200mΩ
- Low output noise
Applications
- Power supplies
- Battery chargers
- DC-DC converters
- Audio amplifiers
- Medical equipment
- Feedback path of switching power supplies
- OVP crowbar circuits
- Reference for A/D, D/A converters
- As zener diodes with improved turn-on characteristics
Q & A
- What is the TL431ACDM used for?
The TL431ACDM is used as a shunt voltage reference IC, providing an adjustable output voltage for various applications such as power supplies, battery chargers, and DC-DC converters.
- What is the output voltage range of the TL431ACDM?
The output voltage range of the TL431ACDM is from 2.5V to 36V.
- What is the tolerance of the TL431ACDM's output voltage?
The tolerance of the TL431ACDM's output voltage is ±1%.
- What is the maximum current output of the TL431ACDM?
The maximum current output of the TL431ACDM is up to 100mA.
- What is the operating temperature range of the TL431ACDM?
The operating temperature range of the TL431ACDM is from 0°C to 70°C (TA).
- What type of package does the TL431ACDM come in?
The TL431ACDM is packaged in an 8-SOIC (0.154", 3.90mm Width).
- Is the TL431ACDM still in production?
No, the TL431ACDM has reached its end-of-life status but remains a reliable choice for existing designs.
- What are some common applications of the TL431ACDM?
Common applications include power supplies, battery chargers, DC-DC converters, audio amplifiers, and medical equipment.
- What is the typical output dynamic impedance of the TL431ACDM?
The typical output dynamic impedance of the TL431ACDM is less than 200mΩ.
- Does the TL431ACDM have low output noise?
Yes, the TL431ACDM is known for its low output noise.
