Texas Instruments

LM5155QDSSRQ1

The Texas Instruments LM5155 is a high-efficiency offline LED driver with a built-in primary-side and secondary-side control. It is designed to provide a simple and cost-effective solution for driving high-power LEDs from a wide range of input voltages.

Description:

The LM5555 is a monolithic step-up/step-down converter that uses a constant-frequency current-mode control scheme. It features a high-efficiency synchronous buck-boost regulator with an integrated high-side and low-side MOSFET drivers. The device operates from a wide input voltage range of 4V to 40V and can deliver up to 1A of output current.

Features:

• High-efficiency synchronous buck-boost regulator
• Integrated high-side and low-side MOSFET drivers
• Wide input voltage range of 4V to 40V
• Adjustable output voltage from 4V to 40V
• Adjustable output current up to 1A
• Constant-frequency current-mode control
• Thermal shutdown and over-current protection
• Small package size (QFN-16)

Applications:

The LM5155 is suitable for a wide range of LED lighting applications, including:

1. Residential and commercial lighting
2. Street and outdoor lighting
3. Architectural and landscape lighting
4. Automotive and transportation lighting
5. Industrial and equipment lighting

In addition to LED lighting, the LM5155 can also be used in other power conversion applications that require a high-efficiency step-up/step-down converter with a wide input voltage range and adjustable output voltage/current.

Overall, the Texas Instruments LM5155 is a versatile and efficient LED driver that offers a simple and cost-effective solution for a wide range of lighting and power conversion applications.