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| Part Number | UC2909DW | UC3909DW | UC2906DW |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Active |
| Battery Chemistry | Lead Acid | Lead Acid | Lead Acid |
| Number of Cells | - | - | - |
| Current - Charging | Constant - Programmable | Constant - Programmable | - |
| Programmable Features | - | - | Current |
| Fault Protection | - | - | - |
| Charge Current - Max | - | - | - |
| Battery Pack Voltage | - | - | - |
| Voltage - Supply (Max) | 40V | 40V | 40V |
| Interface | - | - | - |
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC | 20-SOIC | 16-SOIC |
