L5952

L5952 MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR s FIVE REGULATED OUTPUTS Vo1 5V @500mA Vo2 8.3V @ 250mA Vo3 7.7V to 8.5V @250mA (I2C presettable) Vo4 5V to 7.3V @0.4A (I2C presettable) Vo5 3.3V to 5V @500mA (I2C presettable) HSDout R ON = 0.6Ω I2C ENABLE & OUT PRESET ADJUSTABLE BATTERY DETECTION CIRCUIT RESET OUTPUT BACKUP FACILITY LOW QUIESCENT CONSUMPTION HIGH RIPPLE REJECTION LOAD DUMP OVERCURRENT & SHORT CIRCUIT PROTECTORS THERMAL SHUTDOWN DESCRIPTION The L5952 is a multifunction 5 output voltage regulator plus a High Side Driver primarily developed for car radio applications. Three outputs are enabled and set via I2C bus. Very low stand-by current consumption is achieved to specifically comply with entertainment and automotive environments. Flexiwatt 25 ORDERING NUMBER: L5952 s s s s s s s s s PIN CONNECTION (Top View) 25 VIN DATA VOUT6 CLOCK VOUT5 DIG GND VOUT4 RESET ST-CAP BATT-DET 17 BATT-DET 3 BATT-DET 2 BATT-DET 1 N.C. HRCAP BATT-DET 3 IN BATT-DET 2 IN N.C. VOUT3 BATT-DET 1 IN VOUT2 DELAY CAP VOUT1 GND 1 TAB D99AU1055D September 2003 1/15 L5952 BLOCK DIAGRAM 17 ST-CAP VOUT1 (µP (500mA)) VIN 25 REG 3 REG 21 VOUT5 (DSP µP (500mA)) REG 5 VOUT2 (TUNER (250mA)) HRCAP 11 REG 7 VOUT3 (AUDIO (250mA)) REG 19 VOUT4 (CD (1A)) DATA CLOCK RESET 24 22 18 IIC BUS I/F REG 23 VOUT6 (HIGH SIDE (1A)) CURRENT DET 16 BATT-DET 17 DELAY CAP BATT-DET1 IN 4 6 5V Tr SW (*) 13 BATT-DET 1 SINK 2mA(max) 5V 9 Tr SW (*) 14 BATT-DET 2 SINK 2mA(max) BATT-DET...