STMicroelectronics · Other integrated circuits
L4981B
IC PFC CTR AV CURR 100KHZ 20DIP
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L4981B specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | L4981B |
| Family | Other integrated circuits |
| Package | 20-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| Mode | Average Current |
| Frequency - Switching | 100kHz |
| Current - Startup | 100 µA |
| Voltage - Supply | 14.5V ~ 19.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-DIP |
Documents and evidence
L4981B ↗Before sourcing L4981B
- 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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