CN5612 LED driver

Description:

The CN5612 is a versatile current regulator designed to efficiently drive high-brightness LEDs. It operates from a low input voltage range (typically 2.7V to 6V) and delivers a constant current of up to 1.2A, making it suitable for various LED lighting applications. The CN5612 features an on-chip pass element, minimizing external components and simplifying circuit design. Additionally, it incorporates built-in protection features like over-temperature shutdown, LED short-circuit protection, and open-circuit protection.

Key Features:

• Low-dropout operation (typically 2.7V to 6V input voltage) for efficient power management
• Adjustable output current up to 1.2A using an external resistor for driving various LED configurations
• On-chip pass element reduces external component count
• Constant current output for consistent LED brightness
• Built-in protection features:
  • Over-temperature shutdown
  • LED short-circuit protection
  • Open-circuit protection
• Thermally enhanced 5-pin TO252 package for improved heat dissipation

Technical Specifications:

• Package Type: 5-pin TO252
• Input Voltage: 2.7V to 6V (typical)
• Output Current: Adjustable up to 1.2A (refer to datasheet for specific resistor selection)
• Operating Temperature Range: Refer to datasheet (commercial grade typical)
• Built-in Protections: Over-temperature shutdown, LED short-circuit protection, Open-circuit protection

Applications:

• LED backlighting for LCD displays and instrument panels
• LED strip lighting and general illumination
• Architectural and decorative LED lighting
• Industrial and machine vision lighting
• Portable LED lighting applications (consider battery voltage limitations)

Datasheet:

For detailed technical specifications, application notes, and resistor selection guide for adjusting output current, refer to the CN5612 Datasheet.