LP8543SQE
IC LED DRV RGLTR PWM 60MA 24WQFNManufacturer: Texas Instruments
Categories: LED Drivers
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The Texas Instruments LP8543SQE is a highly efficient 7-output LED driver IC featuring a DC-DC boost regulator. This device is designed for backlight applications, offering precise current control of 60mA per channel. PWM dimming functionality is integrated, enabling granular control over LED brightness. The internal switch capability simplifies design, and the device operates with a boost topology.
Key specifications include an output voltage of up to 40V and a supply voltage range from 5.5V to 22V. The switching frequency ranges from 625kHz to 1.25MHz, facilitating compact inductor selection. The LP8543SQE is available in a 24-WQFN (4x4) package, suitable for surface mount assembly, and is supplied on tape and reel. The operating temperature range is -30°C to 85°C.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 24-WFQFN Exposed Pad |
| Voltage - Output | 40V |
| Mounting Type | Surface Mount |
| Number of Outputs | 7 |
| Frequency | 625kHz ~ 1.25MHz |
| Type | DC DC Regulator |
| Operating Temperature | -30°C ~ 85°C (TA) |
| Applications | Backlight |
| Current - Output / Channel | 60mA |
| Internal Switch(s) | Yes |
| Topology | Step-Up (Boost) |
| Supplier Device Package | 24-WQFN (4x4) |
| Dimming | PWM |
| Voltage - Supply (Min) | 5.5V |
| Voltage - Supply (Max) | 22V |
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