| Part Number | LP8543SQ | LP8543SQE | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - LED Drivers | PMIC - LED Drivers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | DC DC Regulator | DC DC Regulator | 
| Topology | Step-Up (Boost) | Step-Up (Boost) | 
| Internal Switch(s) | Yes | Yes | 
| Number of Outputs | 7 | 7 | 
| Voltage - Supply (Min) | 5.5V | 5.5V | 
| Voltage - Supply (Max) | 22V | 22V | 
| Voltage - Output | 40V | 40V | 
| Current - Output / Channel | 60mA | 60mA | 
| Frequency | 625kHz ~ 1.25MHz | 625kHz ~ 1.25MHz | 
| Dimming | PWM | PWM | 
| Applications | Backlight | Backlight | 
| Operating Temperature | -40°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 
| Supplier Device Package | 24-WQFN (4x4) | 24-WQFN (4x4) |