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| Part Number | LP55271TL/NOPB | LP5527TL/NOPB | LP55281TL/NOPB | LP55271TLX/NOPB |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | Texas Instruments | 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 | 5 | 5 | 12 | 5 |
| Voltage - Supply (Min) | 3V | 3V | 3V | 3V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output | 4V ~ 5.4V | 5V | 4V ~ 5.3V | 4V ~ 5.4V |
| Current - Output / Channel | 1.7A (Switch) | 1.7A (Switch) | 40mA | 1.7A (Switch) |
| Frequency | 1MHz ~ 2MHz | 1MHz ~ 2MHz | 2MHz | 1MHz ~ 2MHz |
| Dimming | - | - | I²C, SPI | - |
| Applications | Backlight, Camera Flash | Backlight, Camera Flash | Backlight | Backlight, Camera Flash |
| 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 | 30-WFBGA, DSBGA | 30-WFBGA | 36-WFBGA, DSBGA | 30-WFBGA |
| Supplier Device Package | 30-DSBGA | 30-TuSMD | 36-DSBGA | 30-DSBGA |
