The L4938ED, L4938EPD are monolithic integrated dual voltage regulators with two very low dropout outputs and additional functions such as power-on reset and input voltage sense. They are designed for supplying microcomputer controlled systems especially in automotive applications.
The L4938ED and L4938EPD are monolithic integrated dual voltage regulators designed for supplying microcomputer-controlled systems, particularly in automotive applications. They feature two very low dropout (LDO) outputs with additional functions such as power-on reset and input voltage sense.
| Operating DC supply voltage range | 5 V - 28 V |
|---|---|
| Transient operating supply voltage | -14 to 40 V |
| Quiescent current in standby mode | < 90 uA |
| Output 1 current capability | 100 mA |
| Output 2 current capability (ADJ wired to Vout) | 400 mA |
| Reset threshold range | 3.8 V to 4.7 V |
The quiescent current is extremely low, typically 65 uA and less than 90 uA.
The device operates with a DC supply voltage range of 5 V to 28 V.
Yes, the reset threshold is adjustable from 3.8 V to 4.7 V.