DESCRIPTION
The L4938E/ED/EPD is a monolithic integrated dual voltage regulator with two very low dropout outputs and additional functions as power-on reset and input voltage sense. It is designed for supplying the microcomputer controlled systems especially in automotive applications.
FEATURES
■ENABLE AND SENSE INPUTS (EN, SI) PROTECTED AGAINST NEGATIVE TRANSIENTS DOWN TO -5V
■RESET THRESHOLD ADJUSTABLE FROM 3.8 TO 4.7V
■EXTREMELY LOW QUIESCENT CURRENT, 65µA (LESS THAN 90µA) IN STANDBY MODE
■OPERATING DC SUPPLY VOLTAGE RANGE 5V - 28V OPERATING TRANSIENT SUPPLY VOLTAGE UP TO 40V
■HIGH PRECISION STANDBY OUTPUT VOLTAGE 5V ± 1% WITH 100mA CURRENT CAPABILITY
■OUTPUT 2 VOLTAGE 5V ± 2% WITH 400mA CURRENT CAPABILITY (ADJ WIRED TO VOUT2) OUTPUT 2 VOLTAGE ADJUSTABLE BY EXTERNAL VOLTAGE DIVIDER
■OUTPUT 2 DISABLE FUNCTION FOR STANDBY MODE
(Picture:Pinout / Diagram)
