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| Part Number | LP3954TLX/NOPB | LP3958TLX/NOPB | LP39542TLX/NOPB | LP3954RLX/NOPB | LP3954TL/NOPB |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Active | Obsolete | Active | Obsolete | Active |
| Type | DC DC Regulator | 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) | Step-Up (Boost) |
| Internal Switch(s) | Yes | Yes | Yes | Yes | Yes |
| Number of Outputs | 13 | 5 | 13 | 13 | 13 |
| Voltage - Supply (Min) | 3V | 3V | 3V | 3V | 3V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output | 4V ~ 5.3V | 18V | 4V ~ 5.3V | 4V ~ 5.3V | 4V ~ 5.3V |
| Current - Output / Channel | 900mA (Switch) | 1.15A (Switch) | 900mA (Switch) | 900mA (Switch) | 900mA (Switch) |
| Frequency | 2MHz | 1MHz | 2MHz | 2MHz | 2MHz |
| Dimming | PWM | I²C | PWM | PWM | PWM |
| Applications | Backlight, Camera Flash | Backlight | Backlight, Camera Flash | Backlight, Camera Flash | 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) | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 36-WFBGA, DSBGA | 25-WFBGA | 36-WFBGA | 36-WFBGA, DSBGA | 36-WFBGA, DSBGA |
| Supplier Device Package | 36-DSBGA | 25-uSMD | 36-uSMD | 36-DSBGA (3.5x3.24) | 36-DSBGA |
