The L5957 is a multifunction voltage regulator for car radio. It features four outputs: 8.5 V @ 500 mA, 5 V @ 300 mA permanent, 5 V @ 800 mA, and 3.3 V @ 800 mA. Additionally, it includes a 2A high side driver, reset function, ignition comparator, load dump protection, thermal shutdown, and overcurrent limitation.
The L5957 is a multifunction voltage regulator designed specifically for car radio applications. It integrates a triple voltage regulator and a power switch into a single IC. The device provides four regulated outputs: 8.5V, 5V (permanent), -5V, and 3.3V, along with a 2A high-side driver.
| Output 1 Voltage | 8.5 V |
|---|---|
| Output 2 Voltage | 5 V |
| Output 3 Voltage | 5 V |
| Output 4 Voltage | 3.3 V |
| High Side Driver Current | 2 A |
| Operating Temperature Range | -40 to 85 °C |
| Storage Temperature Range | -55 to 150 °C |
| Power Dissipation | 43 W |
The L5957 provides outputs of 8.5 V, 5 V (permanent), -5 V, and 3.3 V.
The device operates from -40 to 85 °C.
Yes, it includes a 2 A high side driver.