Ordering number : ENA1764B Monolithic Linear IC For Car Audio Systems LV5680P Multi-Power Supply System IC Overview The LV5680P is a multi-power supply system IC that provides four regulator outputs and two high side switches as well as a number of protection functions including overcurrent protection, overvoltage protection and overheat protection. It is an optimal power supply IC for car audio and car entertainment systems and similar products. Features Four regulator output systems For microcontroller: 5.0V output voltage, 200mA maximum output current For CD drive: 8.0V output voltage, 1300mA maximum output current For illumination: 8 to 12V output voltage (output can be set with external resistors), 300mA maximum output current For audio systems: 8 to 9V output voltage (output voltage can be set with external resistors), 300mA maximum output current Two V -linked high side switch systems CC EXT: 350mA maximum output current, 0.5V voltage difference between input and output. ANT: 300mA maximum output current, 0.5V voltage difference between input and output. Two V 5V-linked high side switch systems DD SW5V: 200mA maximum output current, 0.2V voltage difference between input and output. ACC (accessory voltage detection output): 100mA maximum output current, 0.2V voltage difference between input and output. Overcurrent protection function Overvoltage protection function, typ 21V (excluding V 5V output) DD Overheat protection function, typ 175C On-chip accessory voltage detection circuit P-channel LDMOS used for power output block (Warning) The protector functions only improve the ICs tolerance and they do not guarantee the safety of the IC if used under the conditions out of safety range or ratings. Use of the IC such as use under over current protection range or thermal shutdown state may degrade the ICs reliability and eventually damage the IC. 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O2611 SY 20111014-S00001/O2010 SY/61610 SY PC 20100603-S00004 No.A1764-1/13 LV5680P Specifications Absolute Maximum Ratings at Ta = 25C Parameter Conditions Conditions Ratings Unit Supply voltage V max 36 V CC Peak supply voltage V peak See below for the waveform applied. 50 V CC Allowable Power dissipation Pd max Independent IC Ta 25C 1.5W Al heat sink * 5.6 W With an infinity heat sink 32.5 W Junction temperature Tj max 150 C Operating ambient temperature Topr -40 to +85 C Storage temperature Tstg -55 to +150 C * : When the Aluminum heat sink (50mm 50mm 1.5mm) is used Allowable Operating range at Ta = 25C Parameter Conditions Ratings Unit Operating supply voltage 1 V output, SW output, ACC output 7.5 to 16 V DD Operating supply voltage 2 ILM output at 10V 12 to 16 V ILM output at 8V 10 to 16 V Operating supply voltage 3 Audio output at 9V 10 to 16 V Operating supply voltage 4 CD output (CD output current = 1.3A) 10.5 to 16 V CD output (CD output current 1A) 10 to 16 V Electrical Characteristics at V = 14.4V, Ta = 25C(*6) CC Ratings Parameter Symbol Conditions Unit min typ max Current drain I V no load, CTRL1/2 = L/L, ACC = 0V 400 800 A CC DD CTRL1 Input Low input voltage V1 0 0.5 V IL M1 input voltage V1 0.8 1.1 1.4 V IM1 M2 input voltage V1 1.9 2.2 2.5 V IM2 High input voltage V1 2.9 3.3 5.5 V IH Input impedance R1 350 500 650 k IH CTRL2 Input Low input voltage V2 0 0.5 V IL M input voltage V2 1.1 1.65 2.1 V IM High input voltage V2 2.5 3.3 5.5 V IH Input impedance R2 350 500 650 k IH V 5V Output *1 The V 5V output supplies the output currents of SW 5V and ACC 5V. DD DD Output voltage 1 V1 I 1 = 200mA, I 7, I 8 = 0A 4.75 5.0 5.25 V O O O O Output voltage 2 V 1 I 1 = 200mA, I 7 = 200mA, I 8 = 100mA 4.75 5.0 5.25 V O O O O Output total current Ito1 V 1 4.75V, Ito1 = I 1+I 7+I8 500 mA O O O O Line regulation V 1 7.5V < V < 16V, I 1 = 200mA *2 30 90 mV OLN CC O Load regulation V 1 1mA < I 1 < 200mA *2 70 150 mV OLD O Dropout voltage 1 V 1 I 1 = 200mA *2 1.0 1.5 V DROP O Dropout voltage 2 V 1 I 1 = 100mA *2 0.7 1.05 V DROP O Dropout voltage 3 V 1 I 1+I 7+I 8 = 500mA 2.5 3.75 V DROP O O O Ripple rejection R 1 f = 120Hz, I 1 = 200mA *2 40 50 dB REJ O CD Output CTRL2 = H Output voltage V2 I 2 = 1000mA 7.6 8.0 8.4 V O O Output current I2 V 2 7.6V 1300 mA O O Line regulation V 2 10.5V < V < 16V, I 2 = 1000mA 50 100 mV OLN CC O *1 : The V 5V output also supplies the output currents of SW 5V and ACC 5V. Therefore, the current supply capability of the V 5V output and its other DD DD electrical characteristics are affected by the output statuses of SW 5V and ACC 5V. *2 : SW 5V and ACC 5V are not subject to a load. Continued on next page. No.A1764-2/13