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Product Detailed Parameters
- Description：LED BACKLIGHT DRIVING BOOST SWIT
- Series：*
- Mfr：onsemi
- Package：Bulk
- Type：-
- Topology：-
- Internal Switch(s)：-
- Number of Outputs：-
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：-
- Applications：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The FAN7340MX is a DC-DC controller and LED driver IC manufactured by onsemi, designed for high-performance lighting applications. It operates within an input voltage range of 10 V to 35 V and supports switching frequencies between 50 kHz and 300 kHz. The device features a 16-pin SOIC package and provides a regulated output voltage with a maximum of 12.8 V and a minimum of 10.8 V. It functions as a boost switch-mode controller specifically optimized for LED backlighting systems.
Feature Summary
- Integrated boost switch-mode controller architecture tailored for LED backlighting power supplies
- Wide input voltage operational range supporting diverse system power configurations
- Adjustable switching frequency capability allowing optimization for efficiency and component size
Applications
- LED backlighting power supply circuits
- Boost converter designs for display illumination
- High-voltage LED driver systems
Procurement Notes
Verify the specific suffix and tape/reel configuration against the manufacturer's current datasheet before ordering. Confirm that the 16-pin SOIC package matches your PCB footprint requirements. Ensure the operating temperature range aligns with your environmental specifications. Check for any recent lifecycle notices regarding obsolescence or last-time buy status directly from onsemi documentation.
Selection Notes
Select this component when a dedicated boost controller for LED backlights is required within the 10 V to 35 V input range. Consider the 50 kHz to 300 kHz frequency range for inductor sizing trade-offs. Verify that the 12.8 V maximum output voltage meets the series string requirements of the target LED array. Ensure the 16-pin SOIC thermal performance is sufficient for the expected load conditions.
Part Context
The FAN7340MX belongs to onsemi's portfolio of power management integrated circuits focused on display technologies. It serves as a specialized solution for driving high-brightness LEDs in consumer electronics and industrial displays. The device integrates control logic necessary for stable boost regulation without requiring external complex feedback networks.
Replacement Considerations
Consult onsemi official substitution guides for direct pin-compatible alternatives. Verify electrical parameters such as input voltage limits and switching frequency ranges match the original design requirements. Ensure the replacement maintains the same 16-pin SOIC package outline to avoid PCB redesign.
