Overview
The CAT4238TD-GT3 is a high-efficiency DC/DC step-up converter designed by onsemi, ideal for driving LEDs. This integrated circuit is optimized for delivering an accurate constant current, making it suitable for various LED lighting applications. The device operates at a fixed frequency and features a compact 5-pin SOT-23 package, enhancing its usability in space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2 V to 5.5 V |
| Output Current | Up to 100 mA |
| Number of LEDs Supported | Up to 10 LEDs |
| Package Type | 5-Pin SOT-23 |
| Operating Frequency | Fixed frequency operation |
| Efficiency | High efficiency |
Key Features
- High efficiency DC/DC step-up converter
- Accurate constant current output ideal for driving LEDs
- Supports up to 10 LEDs in series
- Compact 5-pin SOT-23 package
- Fixed frequency operation for stable performance
- Low dropout voltage and high efficiency reduce heat generation and improve overall system reliability
Applications
- LED lighting systems
- Backlighting for LCD displays
- General lighting solutions
- Automotive lighting systems
- Consumer electronics requiring efficient LED driving
Q & A
- What is the input voltage range of the CAT4238TD-GT3? The input voltage range is from 2 V to 5.5 V.
- How many LEDs can the CAT4238TD-GT3 support? It can support up to 10 LEDs in series.
- What is the package type of the CAT4238TD-GT3? The package type is a 5-pin SOT-23.
- What is the typical output current of the CAT4238TD-GT3? The typical output current is up to 100 mA.
- Is the CAT4238TD-GT3 efficient? Yes, it is a high-efficiency DC/DC step-up converter.
- What are some common applications of the CAT4238TD-GT3? Common applications include LED lighting systems, backlighting for LCD displays, and general lighting solutions.
- Does the CAT4238TD-GT3 operate at a fixed frequency? Yes, it operates at a fixed frequency.
- What is the benefit of the fixed frequency operation? Fixed frequency operation provides stable performance and reduces noise.
- Is the CAT4238TD-GT3 suitable for automotive applications? Yes, it is suitable for automotive lighting systems due to its high efficiency and reliability.
- Where can I find detailed specifications for the CAT4238TD-GT3? Detailed specifications can be found in the datasheet available on the onsemi website or through distributors like Digi-Key and Mouser.
