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| Part Number | LP8557IAYFQT | LP8557AYFQT | LP8557IAYFQR |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active |
| Type | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Topology | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) |
| Internal Switch(s) | Yes | Yes | Yes |
| Number of Outputs | 6 | 6 | 6 |
| Voltage - Supply (Min) | 2.7V | 2.7V | 2.7V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V |
| Voltage - Output | 28V | 28V | 28V |
| Current - Output / Channel | 25mA | 25mA | 25mA |
| Frequency | 500kHz, 1MHz | 500kHz, 1MHz | 500kHz, 1MHz |
| Dimming | PWM | PWM | PWM |
| Applications | Backlight | Backlight | Backlight |
| Operating Temperature | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-WFBGA, DSBGA | 16-WFBGA, DSBGA | 16-WFBGA, DSBGA |
| Supplier Device Package | 16-DSBGA | 16-DSBGA | 16-DSBGA |
