CN5612 LED driver
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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.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment