L4959 ® MULTIFUNCTION VOLTAGE REGULATOR FOR HOME AUDIO 4 OUTPUTS: 12V (1.3A); 12V (0.8A); 8.6V (0.6A); 5.6V (0.25A) STANDBY OUT1 12V(a), OUT2 12V(b) AND OUT3 8.6V WITH INDEPENDENT ENABLE CONTROL FOR STAND-BY MODE SHORT-CIRCUIT PROTECTION TO GROUND THERMAL SHUTDOWN DESCRIPTION The L4959 is a monolithic Multifunction Voltage Regulator, designed mainly for supplying Home Audio systems. The L4959 contains one unswitched linear 5.6V regulator for Micro, two switched regulators 8.6V and 12V, suitable to feed CD or CD players and LED, Signal Process. An additional 12V regulator for Solenoid Motor an CD_TRAY Driven is also available. Multiwatt 11 ORDERING NUMBER: L4959 BLOCK DIAGRAM VS 2/10 REF GEN EN 8V EN 12V(a) EN 12V(b) 5.6V, 250mA REGULATOR 3 8.6V, 600mA REGULATOR SWITCHED 9 12V, 800mA REGULATOR SWITCHED 11 12V, 1.3A REGULATOR SWITCHED 1 OUT 5.6V OUT 8.6V 8 OUT 12V(a) 7 OUT 12V(b) 5 6 GND D97AU569C January 1999 1/6 L4959 ABSOLUTE MAXIMUM RATINGS Symbol Parameter VS DC Supply Voltage IO Top Output Current Tstg Storage Temperature Value Unit 35 V internally limited Operating Temperature Range 0 to +70 °C –40 to 150 °C PIN CONNECTION (Top view) 11 OUT 12V(a) 10 VS 9 OUT 8.6V 8 EN 8.6V 7 EN 12V(a) 6 GND 5 EN 12V(b) 4 N.C. 3 OUT 5.6V 2 VS 1 OUT 12V(b) TAB CONNECTED TO PIN 6 D97AU716A PIN DESCRIPTION Pin 1 2 3 4 5 6 7 8 9 10 11 Pins OUT 12V (b) VS OUT 5.6V N.C. EN 12V (b) GND EN 12V (a) EN 8.6V OUT 8.6 VS OUT 12V (a) Description 12V/1.3A SWITCHED OUTPUT VOLTAGE Supply Voltage 5.6V/250mA OUTPUT VOLTAGE not connected Enable 12V/1.3A SWITCHED OUTPUT VOLTAGE Ground Enable 12V/0.8A SWITCHED OUTPUT VOLTAGE Enable 8.6V/0.6A SWITCHED OUTPUT VOLTAGE 8.6V/0.6A SWITCHED OUTPUT VOLTAGE Supply Voltage 12V/0.8A SWITCHED OUTPUT VOLTAGE QUICK REFERENCE DATA Symbol Vout 5V Vout 8V Vout 12Va Vout 12Vb 2/6 Parameter 5V Output Voltage Typ. Unit IO = 125mA Test Condition 5.6 V 14.4V < VS < 21.6V 5mA < I < 0.25A 5.6 V 8.6V Output Voltage IO = 300mA 8.6 V 12V Output Voltage 14.4V < VS < 21.6V 5mA < I < 0.6A Iout = 400mA 8.6 12 V V 14.4V < VS < 21.6V 5mA < I < 0.8A 12 V Iout = 650mA 14.4V < VS < 21.6V 5mA < I < 1.3A 12 12 V V 12V Output Voltage L4959 THERMAL DATA Symbol Rth j-case Parameter Thermal Resistance Junction-case Value 2 Unit °C/W ELECTRICAL CHARACTERISTICS (VS = 18V, Tcase = 25°C, unless otherwise specified.) Symbol VS Parameter Operating Supply Voltage En Output Noise Voltage Iq Quiescent Current Test Condition no load loaded (*) Any reg. supply, f = 100Hz to 20KHz Min. 15 14.4 Typ. 22 18 200 Max. 30 21.6 400 8 Unit V V µV mA 5.6V/250mA OUTPUT VOLTAGE Vout 5V 5V Output Voltage ∆Vline ∆Vload Vdropout Ilim Line Regulation Load Regulation Dropout Voltage Current Limit IO = 125mA 14.4V < VS < 21.6V 5mA < I < 0.25 14.4V < VS < 21.6V 5mA < Io < 250mA Iout = 250mA VS = 21.6V 5.45 5.40 250 5.9 6 V V 50 150 2.7 mV mV V mA 9.1 9.2 V V 5 50 mV 5 50 2.05 325 8.6V/0.6A SWITCHED OUTPUT VOLTAGE Vout 8V 8.6V Output Voltage IO = 300mA 14.4V < VS < 21.6V 5mA < I < 0.6A ∆Vline ∆Vload Line Regulation 14.4V < VS < 21.6V Load Regulation 5mA < Io < 0.6A Vdropout Dropout Voltage Iout = 0.6A Ilim SWon Current Limit Switch ON VS = 21.6V SW off SW hyst Switch OFF Switch Hysteresis 8.4 8.3 0.6 1.5 50 350 mV 2.05 2.7 V 0.8 2.31 3.5 A V 2.11 200 V mV 12V/0.8A SWITCHED OUTPUT VOLTAGE Vout12Va 12V Output Voltage Iout = 400mA 14.4V < VS < 21.6V 5mA < I < 0.8A ∆Vline Line Regulation 14.4V < Vs < 21.6V ∆Vload Vdropout Load Regulation Dropout Voltage 5mA < Io < 0.8A Iout = 0.8A Current Limit Supply Voltage Rejection VS = 21.6V f = 100Hz f = 10KHz Ilim SVR SWon SW off SW hyst Switch ON Switch OFF 11.7 11.6 0.8 55 40 1.5 Switch Hysteresis 12.7 12.8 V V 10 50 mV 100 2.13 350 2.7 mV V 1.1 75 2.31 2.11 A dB 3.5 200 V V mV 12V/1.3A SWITCHED OUTPUT VOLTAGE Vout12Vb 12V Output Voltage Iout = 650mA 14.4V < VS < 21.6V 5mA < I < 1.3A ∆Vline Line Regulation 14.4V < Vs < 21.6V ∆Vload Vdropout Load Regulation Dropout Voltage 5mA < Io < 1.3A Iout = 1.3A Current Limit VS = 21.6V Ilim 11.6 11.5 1.3 12.6 12.7 V V 10 50 mV 200 2.15 450 2.7 mV V 1.7 A 3/6 L4959 ELECTRICAL CHARACTERISTICS (continued) Symbol SVR Parameter Supply Voltage Rejection SWon SW off SW hyst Switch ON Switch OFF Switch Hysteresis Test Condition f = 100Hz f = 10KHz Min. 55 40 1.5 Typ. 75 Max. Unit dB 2.31 2.11 200 3.5 V V mV (*) The max value is limited by the power dissipation Figure 1: Application and Test Circuit. 5.6V 0.25A µ-PROC C3 0.1µF 12Va 0.8A +VS GND 3 2 C1 2200µF 35VL VCC C2 0.33µF G 12Vb 1.3A 1 L4959 6 8.6V 0.6A 7 DECK C5 0.1µF 5 9 C6 0.1µF EN8.6V EN12Va EN12Vb C7 100µF 16VL C8 100µF 16VL C9 100µF 16VL C10 100µF 16VL D97AU802 Figure 2: PCB and Components layout of the Figure 1. 4/6 SIGNAL C4 0.1µF 10 8 +5V 11 CD L4959 mm DIM. MIN. TYP. inch MAX. MIN. TYP. MAX. A 5 0.197 B 2.65 0.104 C 1.6 D OUTLINE AND MECHANICAL DATA 0.063 1 0.039 E 0.49 0.55 0.019 0.022 F 0.88 0.95 0.035 0.037 G 1.45 1.7 1.95 0.057 0.067 0.077 G1 16.75 17 17.25 0.659 0.669 0.679 H1 19.6 0.772 H2 20.2 0.795 L 21.9 22.2 22.5 0.862 0.874 0.886 L1 21.7 22.1 22.5 0.854 0.87 0.886 L2 17.4 18.1 0.685 L3 17.25 17.5 17.75 0.679 0.689 0.699 L4 10.3 10.7 10.9 0.406 0.421 0.429 L7 2.65 2.9 0.104 M 4.25 4.55 4.85 0.167 0.179 0.191 M1 4.73 5.08 5.43 0.186 0.200 0.214 S 1.9 2.6 0.075 0.102 S1 1.9 2.6 0.075 0.102 Dia1 3.65 3.85 0.144 0.152 0.713 0.114 Multiwatt11 V 5/6 L4959 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics © 1999 STMicroelectronics – Printed in Italy – All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. http://www.st.com 6/6