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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 40MA 8WLCSP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：4.8V
- Voltage - Output：6.2V ~ 16V
- Current - Output / Channel：40mA
- Frequency：1.2MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-UFBGA, WLCSP
- Supplier Device Package：8-WLCSP (1.57x1.57)
- Grade：-
- Qualification：-
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Overview
The FAN5340UCX is a synchronous constant current series boost LED driver IC manufactured by onsemi. It operates with an input voltage range of 2.7V to 5.5V and provides a fixed output current capability of 40mA. The device utilizes PWM dimming for brightness control and is housed in an 8-pin WLCSP package (WLCSP-8). Designed for high efficiency, it supports LED lighting applications within a small solution footprint.
Feature Summary
- Synchronous boost topology for high efficiency
- Constant current output for LED string driving
- PWM dimming interface for brightness control
- Compact WLCSP-8 packaging
Applications
- LED lighting drivers
- Portable device backlighting
- Consumer electronics illumination
Procurement Notes
Verify component status as the FAN5340UCX is listed as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors or secondary market suppliers. Ensure compatibility with existing PCB footprints if replacing active inventory. Check RoHS compliance documentation for specific manufacturing dates.
Selection Notes
Select this component for low-power LED applications requiring a compact form factor and simple PWM dimming control. The 40mA output current suits single-string or low-current multi-string configurations. Evaluate thermal performance within the WLCSP-8 package constraints. Consider alternative active parts if long-term supply stability is required for new designs.
Part Context
Part of the onsemi LED driver portfolio, specifically designed for space-constrained portable devices. The FAN5340UCX belongs to the category of synchronous boost converters optimized for LED loads. It integrates power switches to minimize external component count compared to asynchronous solutions.
Replacement Considerations
As the part is obsolete, identify equivalent synchronous boost LED drivers from onsemi or other manufacturers. Verify pinout compatibility with the WLCSP-8 package. Ensure replacement parts support similar input voltage ranges and 40mA output current capabilities.
