The L4988 is a 5V low drop voltage regulator with a wide input voltage range, low dropout voltage, low quiescent current, reset and watchdog. It is suitable for automotive electronics applications.
The document is a production data datasheet for the L4988 monolithic integrated 5V voltage regulator. It describes a device designed for microprocessor systems in automotive applications, offering low dropout voltage at currents up to 200 mA and regulation regardless of input voltage transients up to 40 V.
The text provides detailed electrical specifications, including absolute maximum ratings, thermal data for SO-8 and SO-20 packages, and general characteristics such as output voltage tolerance, quiescent current, and ripple rejection. It also covers application information regarding the internal reset circuit, programmable watchdog timer, and package mechanical details.
| Output voltage (typical) | 5.0 V |
|---|---|
| Max output current | 200 mA |
| Max DC supply voltage | 40 V |
| Dropout voltage (typical) | 500 mV |
| Quiescent current (typical) | 75 pA |
| Operating DC supply voltage range | 5.6V to 31V |
| Junction temperature range | -40°C to 150°C |
The typical output voltage is 5.0 V.
The maximum DC supply voltage (Vg) is 40 V.
Yes, it features a programmable watchdog timer with an external capacitor for adjustment.