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| Part Number | UC3906N | UC3906Q | UC3909N | UC2906N |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Unitrode | Unitrode | Texas Instruments |
| Product Status | Active | Active | Obsolete | Active |
| Battery Chemistry | Lead Acid | Lead Acid | Lead Acid | Lead Acid |
| Number of Cells | - | - | - | - |
| Current - Charging | - | - | Constant - Programmable | - |
| Programmable Features | Current | Current | - | Current |
| Fault Protection | - | - | - | - |
| Charge Current - Max | - | - | - | - |
| Battery Pack Voltage | - | - | - | - |
| Voltage - Supply (Max) | 40V | 40V | 40V | 40V |
| Interface | - | - | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | -20°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 70°C (TA) |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 20-LCC (J-Lead) | 20-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP | 20-PLCC (9x9) | 20-PDIP | 16-PDIP |