LP3944ISQ/NOPB
IC LED DRIVER PS DIM 25MA 24WQFN
Pmic Led Drivers
24-WFQFN Exposed Pad
Active
$2.55 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | LP3944ISQ/NOPB |
| Package / Case | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Shift Register |
| Number of Outputs | 8 |
| Supplier Device Package | 24-WQFN (4x4) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LP3944ISQ/NOPB by Texas Instruments is a Shift Register IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output -. The 24-WFQFN 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 | Power Switch |
| Dimming | I²C, SMBus |
| Topology | Shift Register |
| Applications | Camera Flash |
| Number of Outputs | 8 |
| Internal Switch(s) | Yes |
| Voltage - Supply (Max) | 5.5V |
| Voltage - Supply (Min) | 2.3V |
| Current - Output / Channel | 25mA |
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