L4952 Datasheet PDF | STMicroelectronics

STMicroelectronics L4952

The L4952 is a monolithic voltage regulator in an advanced BCD60II process with high efficient pchannel transistor. This device is optimized for Car Radio applications to obtain optimum performance and supply system integration with high flexibility and minimum peripheral components. 5 20 0.5 18 1.05 18 1.0 18 70 10 200 8.8 Unit mA µA V V V V V V µA µA µA V Voltage Regulator (OUT 1) Voltage Regulator (OUT 4) Current limits Io4Lim Diagnostic Output VLDIAG ∆Vout Output Diagnostic Low voltage Output voltage drop before diagnostic activation Voltage Switches Vout2/3 VDP2 Dropout...

Part No.	L4952
Datasheet	L4952 Download
Manufacturer	STMicroelectronics
Description	VOLTAGE REGULATOR
Buy	Stock & Price

APPLICATIONS

OPERATION SUPPLY VOLTAGE 9.5 TO 28V PEAK SUPPLY OVERVOLTAGE PULSE UP TO 52V (VS. GND) FIXED OUTPUT VOLTAGE OF 8.6 ± 0.2V AND OUTPUT CURRENT UP TO 150mA VERY LOW DROP OUTPUT STAGE WITH LOW OUTPUT VOLTAGE DIAGNOSTIC OUTPUT SHORT CIRCUIT AND THERMAL OVERLOAD PROTECTION VERY LOW STANDBY CURRENT (DEVICE DISABLED) TWO INTERNAL OUTPUT VOLTAGE SWITCHES WITH LOW DROPOUT FOR AM/FM SWITCHING DRIVER CIRCUIT FOR EXTERNAL HIGH SIDE SWITCH WITH DROP MONITORING ENABLE INPUT TO SWITCH ON THE DEVICE ADDITIONAL 10V VERY LOW DROP REGULATOR TO SUPPLY THE VARICAP BLOCK DIAGRAM SO20 (12+4+4) ORDERING NUMBER: L4952D

DESCRIPTION

June 2000 1/8 L4952

ABSOLUTE MAXIMUM RATINGS

Symbol Vs Vst Vo1,2,3,4 V EN VIND Vs -VIND VDIAG Io1 Io2,3 IoDIAG IHSSD TJ Po VESD DC supply voltage Transient operating supply voltage for t = 400ms Output voltages Input voltage of EN Input voltage for EN2, EN3, HSON Max Voltage Difference between Vs and logic inputs EN2, EN3, HSON Diagnostic output Output current out1, out4 O...