2024年9月11日发(作者：喻瑾)
元器件交易网
L6450
28CHANNELINKJETDRIVER
ADVANCEDATA
40VDMOSOUTPUTBREAKDOWN
TWODECODEROPTIONSAREINCLUDED
PRECISEOUTPUTENERGY
ESDOUTPUTPROTECTIONWITHCLAMP-
INGDIODES
VERYLOWQUIESCENTCURRENT
PLCC44ORPQFP44(10x10mm)
DESCRIPTION
TheL6450isrealizedinMultipowerBCDTech-
nologywhichcombinesisolatedDMOSpower
transistorswithCMOSandBipolarcircuitsonthe
gmixedtechnologyithasbeen
possibletooptimizethelogiccircuitryandthe
powerstagetoachievethebestpossibleperform-
ances.
IntendedtobeusedininkjetPrinterApplications
as4to28(2x14)or3to28(4x7)linesselect-
abledecoder/driver,theL6450devicedriverhas
theadvantagesoflowpowerCMOSinputsand
logic,with28highcurrentandhighvoltage
DMOSoutputscapableofsustainingamaximum
of40V.
Onsystempoweruptheoutputdriversarelocked
outusingthechipenablefunction;fourenablein-
BLOCKDIAGRAM(caseof4bit)
MULTIPOWERBCDTECHNOLOGY
PQFP44PLCC44
putsareavailableforthedifferentdriverbanks.
Aninternalpower-onsystemisimplementedin
ordertoavoidwrongoutputcommutationduring
thesupplyvoltagetransients.
Usingamaskoptionduringmanufacturingallows
adifferentdecoding.
Controloftheenergydeliveredtotheprinthead
ismadebymeansofaspecialcircuitry.
Alldriveroutputsarecapableofwithdstandinga
contactdischargeof±8KVwiththeICbiased.
March1994
1/9
Thisisadvancesaresubjecttochangewithoutnotice.
元器件交易网
L6450
BLOCKDIAGRAM(caseof3bit)
PQFP44PINCONNECTION(Topview)
2/9
元器件交易网
L6450
PLCC44PINCONNECTION(Topview)
PINFUNCTIONS
Name
V
DD
GND
OUT0toOUT27
CLAMP
5VLogicSupply.
LogicandPowerGround.
DMOSOutputs.
Thispinshavetobeconnectedtothepowersupplyvoltageoftheheadresistors,eachofthe
outputDMOShavetheirdrainconnectedwiththeanodeofaprotectiondiode,allthecatodes
LAMPpinsarenotconnected
tothepower,thedeviceisnotsupplied.
Decoderinputs.
TheinputINDsharesthepinwiththeotherinputCOM3,thetwodifferentfunctionsare
selectedbythepinBench.
Alowlogicinputonthispinsenabletheoutputsselectedbythedecoderinputsaccordingto
thelogiclevelofthepinbench.
TheinputCOM3sharesthepinwiththeotherinputIND,thetwodifferentfunctionsare
selectedbythepinBench.
Alogichighenablethechip.
Function
INA,INB,INC,IND
COM1,COM2,
COM3,COM4
CHIPENABLE
THERMALDATA
Symbol
R
thj-amb
Parameter
ThermalResistanceJunction-AmbientMax.
PQFP44
55(*)
PLCC44
65(*)
Unit
°C/W
(*)devicemountedonPCB.
3/9
元器件交易网
L6450
ABSOLUTEMAXIMUMRATINGS
Symbol
V
OUT
V
CLAMP
I
OUT
I
PEAK
T
J
V
DD
V
IN
T
amb
T
stg
OutputVoltage
OutputClampingVoltage
OutputContinuousCurrent
OutputPeakCurrent(withdutycycle=10%T
ON
=4µs)
JunctionTemperature
LogicSupplyVoltage
InputVoltageRange
OperatingTemperatureRange
StorageTemperatureRange
ParameterValue
40
40
0.8
2
150
7
-0.3VtoV
S
+0.3
0to70
-55to150
Unit
V
V
A
A
°C
V
V
°C
°C
ICALCHARACTERISTICSatT
amb
=25°C,V
DD
=5V,V
clamp
=18V(unlessotherwisespecified).
Symbol
V
DD
V
CLAMP
V
IL
V
IH
I
LL
I
LH
I
DD
V
OUT
Parameter
LogicSupplyVoltage
ClampingVoltage
LowLevelInputVoltage
HighLevelInputCurrent
LowLevelInputCurrent
HighLevelInputCurrent
LogicSupplyCurrent
OutputSaturationVoltage
V
IN
=V
IL
V
IN
=V
IH
(Indipendentfromtheoutput
conditions)
Tj
Tj
Tj
Tj
25°CD.C.0.4A
25°CD.C.0.5A
90°CD.C.0.4A
90°CD.C.0.5A
0.9
1.1
1.4
1.7
±0.2
±0.25
V
DD
-1.2
-200
10
5
TestConditionMin.
4.75
9
Typ.
5
Max.
5.25
38
1.2
Unit
V
V
V
V
µA
µA
mA
V
V
V
V
V
V
∆V
CE
Outputsaturationabsolute
voltagevariationaroundthe
forextended
temperatureranges
Tj=25°Cto90°CD.C.:0.4A
Tj=25°Cto90°CD.C.:0.5A
R
DS
ON2.2Ω
ICALCHARACTERISTICSatT
amb
=25°C,V
DD
=5V.
Symbol
T
S
T
H
T
on
T
off
t
r
t
f
T
wout
∆P
D
SignalName
INA,INB,INC,
INDVsCOMn
INA,INB,INC,
INDVsCOMn
COM1,2,3,4
V
S
OUT0toN
COM1,2,3,4
V
S
OUT0toN
Parameter
SET-UPTime
HOLDTime
TURN-ONTime
TURN-OFFTime
RiseTime
FallTime
OutputPulseWidth
Maximumallowable
variationoftheoutput
powertransmittedby
eachdrivertothe
resistiveload
T
win
=3.5µsR
L
=40Ω
I
OUT
=0.5A
R
L
=39Ω
V
CLAMP
=18V
-20
I
OUT
=0.5A,R
L
=39Ω
T
j
=25to90°C
I
OUT
=0.5A,R
L
=39Ω
T
j
=25to90°C
TestConditionMin.
30
0
150
150
100
100
T
win
+80
±4
ns
ns
ns
ns
ns
ns
ns
%
4/9
元器件交易网
L6450
Figure1:TimingWaveforms
OUTPUTSELECTION
1)DecoderTruthTablewhentheBENCH=
HIGH;
IND/COM3=isselectedasinputdecoderind;
COM1=alowinputenabletheOUT0to
OUT13;
COM2=ALowInputEnabletheOUT14to
OUT27
IND
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
INC
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
INB
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
INA
(LSB)
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
OUTPUTS
0.27
1.26
2.25
3.24
4.23
5.22
6.21
7.20
8.19
9.18
10.17
11.16
12.15
13.14
ALLOFF
ALLOFF
2)DecoderTruthTablewhentheBENCH=
LOW;
IND/COM3=isselectedasCOM3
COM1:ALowInputEnabletheOUT0to
OUT6
COM2:ALowInputEnabletheOUT7to
OUT13
COM3:ALowInputEnabletheOUT14to
OUT20
COM4:ALowInputEnabletheOUT21to
OUT27
INC
0
0
0
0
1
1
1
1
INB
0
0
1
1
0
0
1
1
INA
(LSB)
0
1
0
1
0
1
0
1
OUTPUTS
0,7,27,20
1,8,26,19
2,9,25,18
3,10,24,17
4,11,23,16
5,12,22,15
6,13,21,14
ALLOFF
5/9
元器件交易网
L6450
Figure2:ApplicationCircuit
6/9
元器件交易网
L6450
PQFP44(14x14)PACKAGEMECHANICALDATA
DIM.
MIN.
A
A1
A2
B
C
D
D1
D3
e
E
E1
E3
L
L1
K
0.65
16.95
13.90
0.25
2.55
0.35
0.13
16.95
13.90
17.20
14.00
10.00
1.00
17.20
14.00
10.00
0.80
1.60
0°(min.),7°(max.)
0.950.025
17.45
14.10
0.667
0.547
2.803.05
0.50
0.23
17.45
14.10
mm
.
3.40
0.0098
0.100
0.0138
0.005
0.667
0.547
0.677
0.551
0.394
0.039
0.677
0.551
0.394
0.0315
0.063
0.0374
0.687
0.555
0.1100.120
0.0197
0.009
0.687
0.555
MIN.
inch
.
0.134
D
D1
D3
A1
33
34
23
22
0.10mm
.004
SeatingPlane
A
A2
E
3
E
1
B
44
1
11
12
E
B
C
K
e
L
1
PQFP44
L
7/9
元器件交易网
L6450
PLCC44PACKAGEMECHANICALDATA
DIM.
MIN.
A
B
C
D
d1
d2
E
e
e3
F
F1
G
M
M1
1.16
1.14
14.99
1.27
12.7
0.46
0.71
0.101
0.046
0.045
17.4
16.51
3.65
4.2
2.59
0.68
160.590
0.050
0.500
0.018
0.028
0.004
mm
.
17.65
16.65
3.7
4.57
2.74
MIN.
0.685
0.650
0.144
0.165
0.102
0.027
0.630
inch
.
0.695
0.656
0.146
0.180
0.108
8/9
元器件交易网
L6450
r,SGS-THOMSONMicroelectronicsassumesnoresponsibilityforthe
consequencesofuseofsuchinformationnorforanyinfringem
licenseisgrantedbyimplicationorothicationsmen-
blicationsupersedesandreplacesallinformationpreviouslysupplied.
SGS-THOMSONMicroelectronicsproductsarenotauthorizedforuseascriticalcomponentsinlifesupportdevicesorsystemswithoutex-
presswrittenapprovalofSGS-THOMSONMicroelectronics.
©1994SGS-THOMSONMicroelectronics-AllRightsReserved
SGS-THOMSONMicroelectronicsGROUPOFCOMPANIES
Australia-Brazil-France-Germany-HongKong-Italy-Japan-Korea-Malaysia-Malta-Morocco-TheNetherlands-Singapore-
Spain-Sweden-Switzerland-Taiwan-Thaliand-UnitedKingdom-U.S.A.
9/9
2024年9月11日发(作者：喻瑾)
元器件交易网
L6450
28CHANNELINKJETDRIVER
ADVANCEDATA
40VDMOSOUTPUTBREAKDOWN
TWODECODEROPTIONSAREINCLUDED
PRECISEOUTPUTENERGY
ESDOUTPUTPROTECTIONWITHCLAMP-
INGDIODES
VERYLOWQUIESCENTCURRENT
PLCC44ORPQFP44(10x10mm)
DESCRIPTION
TheL6450isrealizedinMultipowerBCDTech-
nologywhichcombinesisolatedDMOSpower
transistorswithCMOSandBipolarcircuitsonthe
gmixedtechnologyithasbeen
possibletooptimizethelogiccircuitryandthe
powerstagetoachievethebestpossibleperform-
ances.
IntendedtobeusedininkjetPrinterApplications
as4to28(2x14)or3to28(4x7)linesselect-
abledecoder/driver,theL6450devicedriverhas
theadvantagesoflowpowerCMOSinputsand
logic,with28highcurrentandhighvoltage
DMOSoutputscapableofsustainingamaximum
of40V.
Onsystempoweruptheoutputdriversarelocked
outusingthechipenablefunction;fourenablein-
BLOCKDIAGRAM(caseof4bit)
MULTIPOWERBCDTECHNOLOGY
PQFP44PLCC44
putsareavailableforthedifferentdriverbanks.
Aninternalpower-onsystemisimplementedin
ordertoavoidwrongoutputcommutationduring
thesupplyvoltagetransients.
Usingamaskoptionduringmanufacturingallows
adifferentdecoding.
Controloftheenergydeliveredtotheprinthead
ismadebymeansofaspecialcircuitry.
Alldriveroutputsarecapableofwithdstandinga
contactdischargeof±8KVwiththeICbiased.
March1994
1/9
Thisisadvancesaresubjecttochangewithoutnotice.
元器件交易网
L6450
BLOCKDIAGRAM(caseof3bit)
PQFP44PINCONNECTION(Topview)
2/9
元器件交易网
L6450
PLCC44PINCONNECTION(Topview)
PINFUNCTIONS
Name
V
DD
GND
OUT0toOUT27
CLAMP
5VLogicSupply.
LogicandPowerGround.
DMOSOutputs.
Thispinshavetobeconnectedtothepowersupplyvoltageoftheheadresistors,eachofthe
outputDMOShavetheirdrainconnectedwiththeanodeofaprotectiondiode,allthecatodes
LAMPpinsarenotconnected
tothepower,thedeviceisnotsupplied.
Decoderinputs.
TheinputINDsharesthepinwiththeotherinputCOM3,thetwodifferentfunctionsare
selectedbythepinBench.
Alowlogicinputonthispinsenabletheoutputsselectedbythedecoderinputsaccordingto
thelogiclevelofthepinbench.
TheinputCOM3sharesthepinwiththeotherinputIND,thetwodifferentfunctionsare
selectedbythepinBench.
Alogichighenablethechip.
Function
INA,INB,INC,IND
COM1,COM2,
COM3,COM4
CHIPENABLE
THERMALDATA
Symbol
R
thj-amb
Parameter
ThermalResistanceJunction-AmbientMax.
PQFP44
55(*)
PLCC44
65(*)
Unit
°C/W
(*)devicemountedonPCB.
3/9
元器件交易网
L6450
ABSOLUTEMAXIMUMRATINGS
Symbol
V
OUT
V
CLAMP
I
OUT
I
PEAK
T
J
V
DD
V
IN
T
amb
T
stg
OutputVoltage
OutputClampingVoltage
OutputContinuousCurrent
OutputPeakCurrent(withdutycycle=10%T
ON
=4µs)
JunctionTemperature
LogicSupplyVoltage
InputVoltageRange
OperatingTemperatureRange
StorageTemperatureRange
ParameterValue
40
40
0.8
2
150
7
-0.3VtoV
S
+0.3
0to70
-55to150
Unit
V
V
A
A
°C
V
V
°C
°C
ICALCHARACTERISTICSatT
amb
=25°C,V
DD
=5V,V
clamp
=18V(unlessotherwisespecified).
Symbol
V
DD
V
CLAMP
V
IL
V
IH
I
LL
I
LH
I
DD
V
OUT
Parameter
LogicSupplyVoltage
ClampingVoltage
LowLevelInputVoltage
HighLevelInputCurrent
LowLevelInputCurrent
HighLevelInputCurrent
LogicSupplyCurrent
OutputSaturationVoltage
V
IN
=V
IL
V
IN
=V
IH
(Indipendentfromtheoutput
conditions)
Tj
Tj
Tj
Tj
25°CD.C.0.4A
25°CD.C.0.5A
90°CD.C.0.4A
90°CD.C.0.5A
0.9
1.1
1.4
1.7
±0.2
±0.25
V
DD
-1.2
-200
10
5
TestConditionMin.
4.75
9
Typ.
5
Max.
5.25
38
1.2
Unit
V
V
V
V
µA
µA
mA
V
V
V
V
V
V
∆V
CE
Outputsaturationabsolute
voltagevariationaroundthe
forextended
temperatureranges
Tj=25°Cto90°CD.C.:0.4A
Tj=25°Cto90°CD.C.:0.5A
R
DS
ON2.2Ω
ICALCHARACTERISTICSatT
amb
=25°C,V
DD
=5V.
Symbol
T
S
T
H
T
on
T
off
t
r
t
f
T
wout
∆P
D
SignalName
INA,INB,INC,
INDVsCOMn
INA,INB,INC,
INDVsCOMn
COM1,2,3,4
V
S
OUT0toN
COM1,2,3,4
V
S
OUT0toN
Parameter
SET-UPTime
HOLDTime
TURN-ONTime
TURN-OFFTime
RiseTime
FallTime
OutputPulseWidth
Maximumallowable
variationoftheoutput
powertransmittedby
eachdrivertothe
resistiveload
T
win
=3.5µsR
L
=40Ω
I
OUT
=0.5A
R
L
=39Ω
V
CLAMP
=18V
-20
I
OUT
=0.5A,R
L
=39Ω
T
j
=25to90°C
I
OUT
=0.5A,R
L
=39Ω
T
j
=25to90°C
TestConditionMin.
30
0
150
150
100
100
T
win
+80
±4
ns
ns
ns
ns
ns
ns
ns
%
4/9
元器件交易网
L6450
Figure1:TimingWaveforms
OUTPUTSELECTION
1)DecoderTruthTablewhentheBENCH=
HIGH;
IND/COM3=isselectedasinputdecoderind;
COM1=alowinputenabletheOUT0to
OUT13;
COM2=ALowInputEnabletheOUT14to
OUT27
IND
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
INC
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
INB
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
INA
(LSB)
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
OUTPUTS
0.27
1.26
2.25
3.24
4.23
5.22
6.21
7.20
8.19
9.18
10.17
11.16
12.15
13.14
ALLOFF
ALLOFF
2)DecoderTruthTablewhentheBENCH=
LOW;
IND/COM3=isselectedasCOM3
COM1:ALowInputEnabletheOUT0to
OUT6
COM2:ALowInputEnabletheOUT7to
OUT13
COM3:ALowInputEnabletheOUT14to
OUT20
COM4:ALowInputEnabletheOUT21to
OUT27
INC
0
0
0
0
1
1
1
1
INB
0
0
1
1
0
0
1
1
INA
(LSB)
0
1
0
1
0
1
0
1
OUTPUTS
0,7,27,20
1,8,26,19
2,9,25,18
3,10,24,17
4,11,23,16
5,12,22,15
6,13,21,14
ALLOFF
5/9
元器件交易网
L6450
Figure2:ApplicationCircuit
6/9
元器件交易网
L6450
PQFP44(14x14)PACKAGEMECHANICALDATA
DIM.
MIN.
A
A1
A2
B
C
D
D1
D3
e
E
E1
E3
L
L1
K
0.65
16.95
13.90
0.25
2.55
0.35
0.13
16.95
13.90
17.20
14.00
10.00
1.00
17.20
14.00
10.00
0.80
1.60
0°(min.),7°(max.)
0.950.025
17.45
14.10
0.667
0.547
2.803.05
0.50
0.23
17.45
14.10
mm
.
3.40
0.0098
0.100
0.0138
0.005
0.667
0.547
0.677
0.551
0.394
0.039
0.677
0.551
0.394
0.0315
0.063
0.0374
0.687
0.555
0.1100.120
0.0197
0.009
0.687
0.555
MIN.
inch
.
0.134
D
D1
D3
A1
33
34
23
22
0.10mm
.004
SeatingPlane
A
A2
E
3
E
1
B
44
1
11
12
E
B
C
K
e
L
1
PQFP44
L
7/9
元器件交易网
L6450
PLCC44PACKAGEMECHANICALDATA
DIM.
MIN.
A
B
C
D
d1
d2
E
e
e3
F
F1
G
M
M1
1.16
1.14
14.99
1.27
12.7
0.46
0.71
0.101
0.046
0.045
17.4
16.51
3.65
4.2
2.59
0.68
160.590
0.050
0.500
0.018
0.028
0.004
mm
.
17.65
16.65
3.7
4.57
2.74
MIN.
0.685
0.650
0.144
0.165
0.102
0.027
0.630
inch
.
0.695
0.656
0.146
0.180
0.108
8/9
元器件交易网
L6450
r,SGS-THOMSONMicroelectronicsassumesnoresponsibilityforthe
consequencesofuseofsuchinformationnorforanyinfringem
licenseisgrantedbyimplicationorothicationsmen-
blicationsupersedesandreplacesallinformationpreviouslysupplied.
SGS-THOMSONMicroelectronicsproductsarenotauthorizedforuseascriticalcomponentsinlifesupportdevicesorsystemswithoutex-
presswrittenapprovalofSGS-THOMSONMicroelectronics.
©1994SGS-THOMSONMicroelectronics-AllRightsReserved
SGS-THOMSONMicroelectronicsGROUPOFCOMPANIES
Australia-Brazil-France-Germany-HongKong-Italy-Japan-Korea-Malaysia-Malta-Morocco-TheNetherlands-Singapore-
Spain-Sweden-Switzerland-Taiwan-Thaliand-UnitedKingdom-U.S.A.
9/9