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| Part Number | LP55281TL/NOPB | LP55281TLX/NOPB | LP55271TL/NOPB | LP55281RL/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete |
| 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 | 12 | 12 | 5 | 12 |
| Voltage - Supply (Min) | 3V | 3V | 3V | 3V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output | 4V ~ 5.3V | 4V ~ 5.3V | 4V ~ 5.4V | 4V ~ 5.3V |
| Current - Output / Channel | 40mA | 40mA | 1.7A (Switch) | 40mA |
| Frequency | 2MHz | 2MHz | 1MHz ~ 2MHz | 2MHz |
| Dimming | I²C, SPI | I²C, SPI | - | I²C, SPI |
| Applications | Backlight | Backlight | Backlight, Camera Flash | Backlight |
| Operating Temperature | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 36-WFBGA, DSBGA | 36-WFBGA, DSBGA | 30-WFBGA, DSBGA | 36-WFBGA, DSBGA |
| Supplier Device Package | 36-DSBGA | 36-DSBGA | 30-DSBGA | 36-DSBGA (3.5x3.24) |
