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| Part Number | LM3503SQ-16 | 
| Description | IC LED DRIVER RGLTR DIM 16WQFN | 
| Manufacturer | Texas Instruments | 
| Series | - | 
| 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 | 16V | 
| Current - Output / Channel | 400mA (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) |