Linear Technology LTC3210EUD-2 LED Driver

The LTC3210EUD-2 is a highly efficient, charge pump-based LED driver designed by Linear Technology. It is optimized for driving multiple LEDs with a constant current for uniform brightness, making it an ideal solution for portable devices such as mobile phones, PDAs, and other handhelds where power efficiency and minimal space are critical concerns.

Key Features:

• High Efficiency: The LTC3210EUD-2 utilizes a 1x/1.5x/2x fractional charge pump to maintain a high efficiency over a wide range of input voltages.
• Adjustable Current Control: It offers precise control over the LED current, which can be programmed via an external resistor or through the I²C-compatible interface.
• Flexible LED Configuration: This driver supports up to 6 LEDs in series, which can be adjusted individually or in groups, providing design flexibility.
• Low Noise Operation: Its constant switching frequency ensures low input and output ripple, minimizing potential interference with other device components.
• Thermal Protection: The LTC3210EUD-2 is equipped with thermal shutdown protection to prevent overheating and damage to the device.

Technical Specifications:

• Input Voltage Range: 2.9V to 4.5V
• Drive Capability: Up to 30mA per LED
• Operating Temperature Range: -40°C to +85°C
• Package: 16-Lead QFN (3mm × 3mm)

The LTC3210EUD-2 is designed to be a compact solution that offers high-performance LED driving capabilities. Its small form factor coupled with its feature set makes it a versatile choice for designers looking to enhance the visual output of their portable devices without compromising on battery life or space.

With the inclusion of an I²C-compatible interface, the LTC3210EUD-2 allows for digital control and diagnostics, enabling more sophisticated design implementations and user experiences. Whether you're developing the latest smartphone or a handheld medical device, the LTC3210EUD-2 from Linear Technology stands out as an efficient and reliable choice for your LED driving needs.