STMicroelectronics · Other integrated circuits
L4909
IC REG LIN POS ADJ 15MULTIWATT
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L4909 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | L4909 |
| Family | Other integrated circuits |
| Package | Multiwatt-15 (Vertical, Bent and Staggered Leads) |
| Product Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 3 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | 12V |
| Voltage Dropout (Max) | 2.2V @ 500mA, 2.2V @ 500mA, 2.2V @ 500mA |
| Current - Output | 1.2A, 1.2A, 1.2A |
| Current - Quiescent (Iq) | 11 mA |
| Current - Supply (Max) | 29 mA |
| PSRR | 60dB (120Hz ~ 1kHz) |
| Control Features | Enable, Trigger |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Through Hole |
| Package / Case | Multiwatt-15 (Vertical, Bent and Staggered Leads) |
| Supplier Device Package | 15-Multiwatt |
Documents and evidence
L4909 ↗Catalog sources
www.ic-components.com · L4909 ↗Source directory identity match; source detail pending. Specifications remain from existing catalog.
Before sourcing L4909
- 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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