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| Part Number | LP3943ISQ | LP3943ISQX | LP3944ISQ |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Obsolete | Obsolete |
| Type | Power Switch | Power Switch | Power Switch |
| Topology | Shift Register | Shift Register | Shift Register |
| Internal Switch(s) | Yes | Yes | Yes |
| Number of Outputs | 16 | 16 | 8 |
| Voltage - Supply (Min) | 2.3V | 2.3V | 2.3V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V |
| Voltage - Output | - | - | - |
| Current - Output / Channel | 25mA | 25mA | 25mA |
| Frequency | - | - | - |
| Dimming | I²C, SMBus | I²C, SMBus | I²C, SMBus |
| Applications | Camera Flash | Camera Flash | Camera Flash |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-WQFN (4x4) | 24-WQFN (4x4) | 24-WQFN (4x4) |
