For Reference Only
| Part Number | LM3503SQX-44 |
| LIXINC Part # | LM3503SQX-44 |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › PMIC - LED Drivers |
| Description | IC LED DRIVER RGLTR DIM 16WQFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM3503SQX-44 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 25 - Jan 29 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM3503SQX-44 |
| Brand: | Texas Instruments |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - LED Drivers |
| Manufacturer: | Texas Instruments |
| Series: | - |
| Package: | Tape & Reel (TR) |
| Part Status: | Obsolete |
| Type: | DC DC Regulator |
| Topology: | Step-Up (Boost) |
| Internal Switch(s): | Yes |
| Number of Outputs: | 2 |
| Voltage - Supply (Min): | 2.5V |
| Voltage - Supply (Max): | 5.5V |
| Voltage - Output: | 44V |
| Current - Output / Channel: | 750mA (Switch) |
| Frequency: | 1MHz |
| Dimming: | Analog, PWM |
| Applications: | Backlight |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-WFQFN Exposed Pad |
| Supplier Device Package: | 16-WQFN (4x4) |
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| In Stock | 10939 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.0000 | $0 |
| 100 | $0.0000 | $0 |
| 500 | $0.0000 | $0 |
| 1000 | $0.0000 | $0 |
| 2500 | $0.0000 | $0 |
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