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Número de pieza | LV5680P | |
Descripción | Multi Voltage Regulator IC | |
Fabricantes | ON Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de LV5680P (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
No Preview Available ! LV5680P
Multi Voltage Regulator IC
Application Note
Overview
The LV5680P is a multiple voltage regulator for car audio system. This IC has 4 voltage regulators and 2
high-side switches.
The following protection circuits are integrated: over current limiter, overvoltage protection and Thermal Shut
Down. This IC is most suitable Car Audio.
Features
4 LDO regulators
・ For VDD:
Vout is 5.0V, Iomax is 200mA
・ For CD:
Vout is 8.0V, Iomax is 1300mA
・ For Illumination:
Vout is 8V to 12V(Adjustable external resistors),
Iomax is 300mA
・ For Audio:
Vout is 8V to 9V(Adjustable external resistors),
Iomax is 300mA
2 High-side Switches
EXT:Voltage difference between input and output is 0.5V, Iomax is 350mA
ANT:Voltage difference between input and output is 0.5V, Iomax is 300mA
2 Switches connected to “VDD”
SW5V:Voltage difference between “VDD” and output is 0.2V, Iomax is 200mA
ACC(Accessory Voltage Detector output):Voltage difference between “VDD” and output is 0.2V,
Iomax is 100mA
Over Current Limiting
Overvoltage Protection (Without VDD-OUT) *Detection voltage is 21V(typical)
Thermal Shut Down *175℃(typical)
ACC voltage detector
Maximum surge peak Voltage is 50V
Low thermal resistance package “HZIP15J”(θjc=2℃/W)
(Warning) The protector functions only improve the IC’s 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 overcurrent protection range or
thermal shutdown state may degrade the IC’s reliability and eventually damage the IC.
1 page LV5680P Application Note
Electrical Characteristics at Ta=25 ºC, Vcc=14.4V (*2)
Parameter Symbol
Conditions
Quiescent Current Icc
VDD No Load,CTRL1/2=「L/L」,ACC=0V
Min
Typ Max Unit
400 800 μA
CTRL1 Input
“L” Input voltage
“M1” Input voltage
“M2” Input voltage
“H” Input voltage
VIL1
VIM11
VIM21
VIH1
Input impedance RIN1
CTRL2 Input
“L” Input voltage
“M” Input voltage
“H” Input voltage
VIL2
VIM2
VIH2
Input impedance RIN2
VDD5V output (*3)
0 0.5 V
0.8 1.1 1.4 V
1.9 2.2 2.5 V
2.9 3.3 5.5 V
350 500 650 kΩ
0 0.5 V
1.1 1.65
2.1 V
2.5 3.3 5.5 V
350 500 650 kΩ
VDD5V supplies a current to SW5V and ACC5V
Output voltage1 Vo1
Io1= 200 mA, Io7,Io8=0A
4.75 5.0 5.25 V
Output voltage2 Vo1’
Io1=200mA, Io7=200mA, Io8=100mA
4.75 5.0 5.25 V
Output total current Ito1
Vo1≧4.75V, Ito1=Io1+Io7+Io8
500
mA
Line regulation
Load regulation
Dropout voltage 1
Dropout voltage 2
Dropout voltage 3
⊿VoLN1 7.5V<Vcc<16 V, Io1= 200 mA(*4)
⊿VoLD1 1 mA<Io1<200 mA(*4)
VDROP1 Io1= 200 mA(*4)
VDROP1’ Io1= 100 mA(*4)
VDROP1’’ Io1+Io7+Io8= 500 mA
30 90 mV
70 150 mV
1.0 1.5 V
0.7 1.05 V
2.5 3.75 V
Ripple rejection
RREJ1
CD-ON;CTRL2=“H”
f=120Hz, Io1= 200 mA(*4)
40 50
dB
Output voltage Vo2 Io2= 1000 mA
7.6 8.0 8.4 V
Output current capacity Io2
Vo2≧7.6V
1300
mA
Line regulation
⊿VoLN2 10.5V<Vcc<16V, Io2=1000mA
Load regulation
⊿VoLD2 10 mA<Io2<1000 mA
Dropout voltage1
Dropout voltage2
VDROP2 Io2= 1000 mA
VDROP2’ Io2= 500 mA
Ripple rejection RREJ2 f=120Hz ,Io2= 1000 mA
AUDIO (8-9V) -ON;CTRL2=“M”&“H”
50 100 mV
100 200 mV
1.0 1.5 V
0.5 0.75 V
40 50
dB
AUDIO_F voltage VI3
AUDIO_F current
IIN3
AUDIO output voltage1 Vo3
AUDIO output voltage2 Vo3’
Io3= 200 mA, R2=30kΩ,R3=5.6kΩ (*5)
Io3= 200 mA, R2=27kΩ,R3=4.7kΩ (*5)
1.222
-1
7.65
8.13
1.260
8.0
8.5
1.298
1
8.35
8.87
V
μA
V
V
http://onsemi.com
5
5 Page LV5680P Application Note
14 12.6
1PIN(ILM)-2PIN(ILM_F)="OPEN"
12
VCC=14.4V
12.4
VCC=13V
10 12.2 VCC=16V
8
6 Ta=-40℃
Ta=25℃
4 Ta=85℃
2
0
0 10 20 30 40
Supply Voltage(VCC)[V]
Fig19. [ILM(12V)] Vo vs. Input Voltage
12.0
11.8
11.6 Iout = 200mA
11.4
-50 0 50
Ambient Temperature Ta[℃]
Fig20. [ILM(12V)] Vo vs. Ta
100
14
Iomax
12
14
Iomax
12
10
VCC=14.4V
8 1-2PIN="OPEN"
6
4 Ta=-40℃
Ta=25℃
2 Ta=85℃
SPEC
0
0 0.2 0.4 0.6 0.8
ILM(1PIN) Output Current[A]
Fig21. [ILM(12V)] Vo vs. Io@VCC=14.4V
1
10
8 VCC=13V
1-2PIN="OPEN"
6
4 Ta=-40℃
Ta=25℃
2 Ta=85℃
SPEC
0
0 0.2 0.4 0.6 0.8 1
ILM(1PIN) Output Current[A]
Fig22. [ILM(12V)] Vo vs. Io@VCC=13V
14
Iomax
12
10
VCC=16V
8 1-2PIN="OPEN"
6
Ta=-40℃
4 Ta=25℃
2 Ta=85℃
SPEC
0
0 0.2 0.4 0.6 0.8 1
ILM(1PIN) Output Current[A]
Fig23. [ILM(12V)] Vo vs. Io@VCC=16V
http://onsemi.com
11
11 Page |
Páginas | Total 29 Páginas | |
PDF Descargar | [ Datasheet LV5680P.PDF ] |
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