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| Part Number | LM3420AM5X-8.2 | LM3420AM5X-8.4 | LM3420M5X-8.2 | LM3420AM5-8.2 | LM3420AM5X-4.2 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Obsolete | Discontinued at Digi-Key | Active | Obsolete |
| Battery Chemistry | Lithium Ion | Lithium Ion | Lithium Ion | - | Lithium Ion |
| Number of Cells | 2 | 2 | 2 | - | 1 |
| Current - Charging | - | - | - | - | - |
| Programmable Features | - | - | - | - | - |
| Fault Protection | - | - | - | - | - |
| Charge Current - Max | - | 1A | - | - | - |
| Battery Pack Voltage | 8.2V | 8.4V | 8.2V | - | 4.2V |
| Voltage - Supply (Max) | 20V | 20V | 20V | - | 20V |
| Interface | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | - | Surface Mount |
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | - | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 | SOT-23-5 | SOT-23-5 | - | SOT-23-5 |
