L4925

® L4925 VERY LOW DROP VOLTAGE REGULATOR OPERATING DC SUPPLY VOLTAGE RANGE 6V TO 28V TRANSIENT SUPPLY VOLTAGE UP TO 40V EXTREMELY LOW QUIESCENT CURRENT HIGH PRECISION OUTPUT VOLTAGE OUTPUT CURRENT CAPABILITY UP TO 500mA VERY LOW DROPOUT VOLTAGE LESS THAN 0.6V RESET CIRCUIT SENSING THE OUTPUT VOLTAGE PROGRAMMABLE RESET PULSE DELAY WITH EXTERNAL CAPACITOR THERMAL SHUTDOWN AND SHORT CIRCUIT PROTECTIONS DESCRIPTION The L4925 is a monolithic integrated 5V voltage regulator with a very low dropout output and addiBLOCK DIAGRAM Pentawatt PowerSO20 ORDERING NUMBERS: L4925 (Pentawatt) L4925PD (PowerSO20) tional functions such as power-on reset and programmable reset delay time. It is designed for supplying microcomputer controlled systems especially in automotive applications. Vz PREREGULATOR 5V VS CS + = 2V GND REG RESET VREF 1.23V VO L4925N CT Vz 2µ RES D95AT151 June 2000 1/8 This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. L4925 ABSOLUTE MAXIMUM RATINGS Symbol V SDC VSTR IO VO VRES IRES Tstg Tj Tj-SD NOTE: The circuit is ESD protected according to MIL-STD-883C. According to ISO/DIS 7637 the transients must be clamped with external circuitry (see Application Circuit). Parameter DC Operating Supply Voltage Transient Supply Voltage (t < 1s) Output Current Output Voltage Output Voltage Output Current Storage Temperature Operating Junction Temperature Thermal Shutdown-Junction Temperatur...