MULTIFUNCTION VOLTAGE REGULATOR HOME AUDIO OUTPUTS: (1.3A); (0.8A

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MULTIFUNCTION VOLTAGE REGULATOR HOME AUDIO OUTPUTS: (1.3A); (0.8A

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L4959
MULTIFUNCTION VOLTAGE REGULATOR HOME AUDIO
OUTPUTS: (1.3A); (0.8A); 8.6V (0.6A); 5.6V (0.25A) STANDBY OUT1 12V(a), OUT2 12V(b) OUT3 8.6V WITH INDEPENDENT ENABLE CONTROL STAND-BY MODE SHORT-CIRCUIT PROTECTION GROUND THERMAL SHUTDOWN DESCRIPTION L4959 monolithic Multifunction Voltage Regulator, designed mainly supplying Home Audio systems. L4959 contains unswitched linear 5.6V regulator Micro, switched regulators 8.6V 12V, suitable feed players LED, Signal Process. additional regulator Solenoid Motor CD_TRAY Driven also available.
Multiwatt ORDERING NUMBER: L4959
BLOCK DIAGRAM
2/10 5.6V, 250mA REGULATOR 8.6V, 600mA REGULATOR SWITCHED 12V, 800mA REGULATOR SWITCHED 12V(a) 12V, 1.3A REGULATOR SWITCHED 12V(b)
5.6V
8.6V
12V(a)
12V(b)
D97AU569C
October 1998
This preliminary information product development undergoing evaluation. Details subject change without notice.
L4959
ABSOLUTE MAXIMUM RATINGS
Symbol Tstg Supply Voltage Output Current Operating Temperature Range Storage Temperature Parameter Value internally limited Unit
CONNECTION (Top view)
12V(a) 8.6V 8.6V 12V(a) 12V(b) N.C. 5.6V 12V(b)
CONNECTED
D97AU716A
DESCRIPTION
Pins 5.6V N.C. 8.6V Description 12V/1.3A SWITCHED OUTPUT VOLTAGE Supply Voltage 5.6V/250mA OUTPUT VOLTAGE 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 Parameter Output Voltage Test Condition 125mA 14.4V 21.6V 0.25A Vout Vout 12Va 8.6V Output Voltage Output Voltage 300mA 14.4V 21.6V 0.6A Iout 400mA 14.4V 21.6V 0.8A Vout 12Vb Output Voltage Iout 650mA 14.4V 21.6V 1.3A Typ. Unit
L4959
THERMAL DATA
Symbol j-case Parameter Thermal Resistance Junction-case Value Unit °C/W
ELECTRICAL CHARACTERISTICS 18V, Tcase 25°C, unless otherwise specified.)
Symbol Vout Parameter Operating Supply Voltage Output Noise Voltage Quiescent Current Test Condition load loaded reg. supply, 100Hz 20KHz Min. 14.4 Typ. Max. 21.6 Unit
5.6V/250mA OUTPUT VOLTAGE
Output Voltage 125mA 14.4V 21.6V 0.25 14.4V 21.6V 250mA Iout 250mA 21.6V 5.45 5.40 2.05
Vline Vload Vdropout Ilim
Line Regulation Load Regulation Dropout Voltage Current Limit
8.6V/0.6A SWITCHED OUTPUT VOLTAGE
Vout Vline Vload Vdropout Ilim SWon hyst 8.6V Output Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Switch Switch Switch Hysteresis 300mA 14.4V 21.6V 0.6A 14.4V 21.6V 0.6A Iout 0.6A 21.6V 2.05 2.31 2.11
12V/0.8A SWITCHED OUTPUT VOLTAGE
Vout12Va Output Voltage Iout 400mA 14.4V 21.6V 0.8A Vline Vload Vdropout Ilim SWon hyst Line Regulation Load Regulation Dropout Voltage Current Limit Supply Voltage Rejection Switch Switch Switch Hysteresis 14.4V 21.6V 0.8A Iout 0.8A 21.6V 100Hz 10KHz 11.7 11.6 2.13 2.31 2.11 12.7 12.8
12V/1.3A SWITCHED OUTPUT VOLTAGE
Vout12Vb Output Voltage Iout 650mA 14.4V 21.6V 1.3A Vline Vload Vdropout Ilim Line Regulation Load Regulation Dropout Voltage Current Limit 14.4V 21.6V 1.3A Iout 1.3A 21.6V 11.6 11.5 2.15 12.6 12.7
L4959
ELECTRICAL CHARACTERISTICS (continued)
Symbol SWon hyst Parameter Supply Voltage Rejection Switch Switch Switch Hysteresis Test Condition 100Hz 10KHz Min. Typ. 2.31 2.11 Max. Unit
value limited power dissipation
Figure Application Test Circuit.
5.6V 0.25A 0.1µF 12Va 0.8A 2200µF 35VL 0.33µF 0.1µF 12Vb 1.3A SIGNAL µ-PROC
L4959
0.1µF 8.6V 0.6A 0.1µF
DECK
EN8.6V EN12Va EN12Vb
100µF 16VL
100µF 16VL
100µF 16VL
100µF 16VL
D97AU802
Figure Components layout Figure
L4959
DIM. Dia1 0.49 0.88 1.45 16.75 19.6 20.2 21.9 21.7 17.4 17.25 10.3 2.65 4.25 4.73 3.65 22.2 22.1 17.5 10.7 4.55 5.08 22.5 22.5 18.1 17.75 10.9 4.85 5.43 3.85 0.862 0.854 0.685 0.679 0.406 0.104 0.167 0.186 0.075 0.075 0.144 0.874 0.87 0.689 0.421 0.179 0.200 0.55 0.95 1.95 17.25 0.019 0.035 0.057 0.659 0.772 0.795 0.886 0.886 0.713 0.699 0.429 0.114 0.191 0.214 0.102 0.102 0.152 0.067 0.669 MIN. TYP. MAX. 2.65 0.039 0.022 0.037 0.077 0.679 MIN. inch TYP. MAX. 0.197 0.104 0.063
OUTLINE MECHANICAL DATA
Multiwatt11
L4959
Information furnished believed accurate reliable. However, STMicroelectronics assumes responsibility consequences such information infringement patents other rights third parties which result from use. license granted implication otherwise under patent patent rights STMicroelectronics. Specification mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. STMicroelectronics products authorized critical components life support devices systems without express written approval STMicroelectronics. logo registered trademark STMicroelectronics 1998 STMicroelectronics Printed Italy Rights Reserved STMicroelectronics GROUP COMPANIES Australia Brazil Canada China France Germany Italy Japan Korea Malaysia Malta Mexico Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A. http://www.st.com

MULTIFUNCTION VOLTAGE REGULATOR HOME AUDIO OUTPUTS: (1.3A); (0.8A

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