Datasheet Details
| Part number | L4989D |
|---|---|
| Manufacturer | STMicroelectronics |
| File Size | 290.61 KB |
| Description | Low power voltage regulator |
| Datasheet |
 L4989D Datasheet
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General Description
The L4989M and L4989MD are monolithic integrated 5 V voltage regulators with a low drop voltage at currents up to 150 mA.
The output voltage regulating element consists in a p-channel MOS and the regulation is performed regardless of input voltage transients up to 40 V.
Key Features
- Operating DC supply voltage range 5.6 V to 31 V.
- Very low quiescent current with watchdog disabled.
- Precision output voltage (3%).
- Low drop voltage (180 mV typ at Io = 150 mA).
- Reset circuit sensing the output voltage down to 1 V.
- Programmable reset delay with external capacitor.
- Watchdog disable input.
- Programmable watchdog timer with external capacitor.
- Thermal shutdown and short circuit protection.
- Wide temperature range (Tj = -40°C to 150°C).