Lumissil Microsystems20-WQFN Exposed PadRoHS
IS31FL3740-QFLS4-TR
3X4 DOT MATRIX LED DRIVER, QFN-2
Category
Subcategory
Pmic Led Drivers
Package
20-WQFN Exposed Pad
Status
Not For New Designs
$1.64 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Lumissil Microsystems |
| Model | IS31FL3740-QFLS4-TR |
| Package / Case | 20-WQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Topology | Constant Current |
| Number of Outputs | 4 |
| Supplier Device Package | 20-QFN (5x5) |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
IS31FL3740-QFLS4-TR by Lumissil Microsystems is a Constant Current IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output -. The 20-WQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Type | Linear |
| Dimming | PWM |
| Topology | Constant Current |
| Applications | LED Lighting |
| Number of Outputs | 4 |
| Internal Switch(s) | Yes |
| Voltage - Supply (Max) | 5.5V |
| Voltage - Supply (Min) | 2.7V |
| Current - Output / Channel | 84mA |
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