Overview
The LT3491ESC8#TRMPBF is a white LED driver integrated circuit produced by Analog Devices Inc. This component is designed to drive LED strings efficiently and is packaged in a compact SC70 package. It is particularly suited for applications requiring low power consumption and high reliability. The LT3491 can drive a 3-LED string at 2mA LED current without pulse skipping, making it ideal for various lighting applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SC70-8 |
| Input Voltage Range | 2.5V to 12V |
| LED Current | Up to 2mA per LED |
| Number of LED Segments | 6 |
| Operating Temperature Range | -40°C to 125°C |
| Integrated Schottky Diode | Yes |
Key Features
- Drives up to 6 white LEDs in series with a single external resistor setting the LED current.
- Integrated Schottky diode for efficient operation.
- Low dropout voltage, ensuring high efficiency.
- Compact SC70 package for space-saving designs.
- No pulse skipping at 2mA LED current for smooth operation.
Applications
- Backlighting for LCD displays and other screen-based devices.
- General lighting applications requiring low power consumption.
- Portable electronics such as smartphones, tablets, and handheld devices.
- Automotive and industrial lighting systems.
Q & A
- What is the package type of the LT3491ESC8#TRMPBF? The package type is SC70-8.
- What is the input voltage range of the LT3491ESC8#TRMPBF? The input voltage range is 2.5V to 12V.
- How many LEDs can the LT3491ESC8#TRMPBF drive? It can drive up to 6 white LEDs in series.
- Does the LT3491ESC8#TRMPBF have an integrated Schottky diode? Yes, it does have an integrated Schottky diode.
- What is the operating temperature range of the LT3491ESC8#TRMPBF? The operating temperature range is -40°C to 125°C.
- Can the LT3491ESC8#TRMPBF drive LEDs without pulse skipping? Yes, it can drive a 3-LED string at 2mA LED current without pulse skipping.
- What is the typical application of the LT3491ESC8#TRMPBF? It is typically used for backlighting in LCD displays and other general lighting applications.
- Is the LT3491ESC8#TRMPBF suitable for automotive applications? Yes, it is suitable for automotive and industrial lighting systems due to its robust specifications.
- What is the benefit of the integrated Schottky diode in the LT3491ESC8#TRMPBF? The integrated Schottky diode enhances efficiency by reducing voltage drop and heat generation.
- Can the LT3491ESC8#TRMPBF be used in portable electronics? Yes, it is often used in portable electronics such as smartphones and tablets due to its low power consumption and compact size.
