LTC3216EDE#PBF - LED Driver from Linear Technology

The LTC3216EDE#PBF is a versatile and efficient LED driver integrated circuit (IC) developed by Linear Technology, now part of Analog Devices. This high-performance IC is designed to provide a constant-current output to drive high-brightness LEDs, making it an ideal solution for portable lighting applications and backlighting in small LCD displays.

Key Features:

• Adjustable Output Current: The LTC3216EDE#PBF allows for precise control of the LED current from 1mA to 400mA, which can be set via an external resistor. This feature provides flexibility in adjusting the brightness of the connected LEDs.
• Wide Input Voltage Range: With an input voltage range of 2.7V to 5.5V, this LED driver can be powered by a variety of sources, including single-cell Li-Ion batteries, making it suitable for handheld devices.
• High Efficiency: The device offers high efficiency up to 94%, which helps to maximize battery life and reduce heat generation.
• Integrated Schottky Diode: The inclusion of an internal low Vf Schottky diode simplifies the design and reduces external component count.
• Soft-Start Capability: To prevent inrush current at startup, the LTC3216EDE#PBF features a soft-start function, which gradually ramps up the LED current.
• Thermal Protection: The device includes thermal shutdown protection to safeguard the IC and the LEDs from overheating.

Applications:

The LTC3216EDE#PBF is well-suited for a range of applications where efficient, adjustable LED driving is required. These include:

• Portable and battery-powered devices
• Cell phone cameras and flashlights
• GPS units
• Small LCD panel backlights
• Medical instrumentation

Package and Quality:

This LED driver comes in a compact, low-profile (0.75mm) 14-lead DFN package with enhanced thermal performance. The LTC3216EDE#PBF is RoHS compliant and is designed to meet the rigorous standards of the electronics industry, ensuring reliability and performance.