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| Part Number | LP8543SQE/NOPB | LP8545SQE/NOPB | LP8543SQX/NOPB | LP8543SQ/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active |
| Type | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Topology | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) |
| Internal Switch(s) | Yes | Yes | Yes | Yes |
| Number of Outputs | 7 | 6 | 7 | 7 |
| Voltage - Supply (Min) | 5.5V | 2.7V | 5.5V | 5.5V |
| Voltage - Supply (Max) | 22V | 22V | 22V | 22V |
| Voltage - Output | 40V | 40V | 40V | 40V |
| Current - Output / Channel | 60mA | 50mA | 60mA | 60mA |
| Frequency | 625kHz ~ 1.25MHz | 156kHz, 312kHz, 625kHz, 1250kHz | 625kHz ~ 1.25MHz | 625kHz ~ 1.25MHz |
| Dimming | PWM | PWM | PWM | PWM |
| Applications | Backlight | Backlight | Backlight | Backlight |
| Operating Temperature | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-WQFN (4x4) | 24-WQFN (4x4) | 24-WQFN (4x4) | 24-WQFN (4x4) |
