STMicroelectronics · Other integrated circuits
LM123K
IC REG LINEAR 5V 3A TO3
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LM123K specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | LM123K |
| Family | Other integrated circuits |
| Package | TO-204AA, TO-3 |
| Product Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | Not provided in source |
| Voltage Dropout (Max) | Not provided in source |
| Current - Output | 3A |
| Current - Quiescent (Iq) | Not provided in source |
| Current - Supply (Max) | Not provided in source |
| PSRR | Not provided in source |
| Control Features | Not provided in source |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -55°C ~ 150°C |
| Mounting Type | Through Hole |
| Package / Case | TO-204AA, TO-3 |
| Supplier Device Package | TO-3 |
Documents and evidence
LM123K ↗Before sourcing LM123K
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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