Page 1
Descriptio
n
78XX
This series of fixed-voltage monolithic integrated-circuit voltage regulators is designed for a wide range of applications. These application
s
n
.
Theinternallimitingandtermalshutdownfeaturesoftheseregulatorsmakethemessentiallyimmunetooverload.
F
eat
u
res
InternalBlockDigram
=
(topview)
=
Packa
g
e
1
BEIJINGESTEK
ELECTRONICSCO.,LT
D
include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they ca
be used withpower-pass elements to makehigh-current voltage regulators. Each of these regulatorscan deliver up to1.5 A of outputcurrent
3-Terminal Regulators
Output Current Up to1.5 A
No External Components
Internal Thermal Overload Protection
HighPower Dissipation Capability
=
Internal Short-CircuitCurrentLimiting
Output Transistor Safe-Area Compensation
Package TO-220
Page 2
A
bsol
uteM
aximum
Ratings
78XX
overoperatingtemperaturerange(unlessotherwisenoted
)
ParameterMax
imumUnits
Inputvoltage782
4
782
7
40
V
Allothers35
Continuous totaldissipationat25°Cfree-airtemperature 2
Leadtemperature1.6mm(1/16inch)fromcasefor10seconds26
0W°
C
Recomm
e
nded
Operating
Conditi
ons
Parame
terMin
Max
Units
780911.5
27
Outputcurrent,
IO1.5
VAOperatingvirtualjunctiontemperature,TJ0125°C
DeviceSelection
Guide
Device
Output
Voltag
e
782727
V
BEIJINGESTEK
ELECTRONICSCO.,LT
D
2
Continuous totaldissipationat(orbelow)25°Ccase temperature 15
Operating free-air,case,orvirtual junctions temperature range 0 to150
Storage temperature range -65 to150
7805 7 25
7806 8 25
7808 10.5 25
7885 10.5 25
Inputvoltage V
I
7805 5V
7806 6V
7808 8V
7885 8.5V
7809 9V
7810 10V
7812 12V
7815 15V
7818 18V
7820 20V
7824 24V
7810 12.5 28
7812 14.5 30
7815 17.5 30
7818 21 33
7820 23 36
7824 27 38
7827 30 40
Page 3
Electr
i
cal
cha
racter
istics
7805
Electricalcharacteristicsatspecifiedvirtualjunctiontemperature,
VI=10V,IO=500mA(unlessotherwisenote
d)
78XX
Outputvoltage*
*
ParameterTestCondi
tions*
7805
25°C4.855.2
Unit
s
V
IO=5mAto1A,
VI= 7V to20V,P≤
Inputregulation
VI=7Vto25
V
0°Cto
125°C4.7555.2
5
1
50
mV
V,
f=120Hz
0°Cto
125°C6278
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C15100
5
50
mV
Biascurrent25°C4.28
mA
V
IO=5mAto1A
0°Cto
125°C1.
3
0.5
Short-circuitoutputcurrent25°C750
Peakoutputcurrent25°C2.2
A
MinTyp
Max
Outputvoltage*
*
IO=5mAto1A,
25°C5.7566.25
0°Cto
125°C5.766.3V
V
VI=9Vto13
V
25°C5120
1.560mV
V,
f=120Hz
0°Cto
125°C5975
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C14120
460mV
Biascurrent25°C4.38
mA
V
IO=5mAto1A
0°Cto
125°C1.
3
0.5
Short-circuitoutputcurrent25°C550
Peakoutputcurrent25°C2.2
A
3
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ELECTRONICSCO.,LT
D
15W
Ripple rejection VI= 8V to18
Min Typ Max
25°C 3 100
Output resistance f= 1KHz 0°C to125°C 0.017
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.1 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 40
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 7V to25
* Pulse testing techniques areused to maintain thejunction temperatureasclose totheambienttemperatureaspossible.Thermal
effectsmustbe takeninto accountseparately.
** Thisspecification applies onlyfordcpower dissipation permitted byabsolutemaximumratings.
Electrical characteristics 7806
Electrical characteristics at specified virtualjunctiontemperature,VI=11V, IO=500mA (unless otherwise noted)
Parameter Test Conditions* 7805 Units
VI= 8V to21V,P≤
Inputregulation VI= 8V to25
Ripple rejection VI= 9V to19
Ω
µ
V
Output resistance f= 1KHz 0°C to125°C 0.019
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -0.8 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 45
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 8V to25
Ω
µ
V
Page 4
Electr
i
cal
Cha
r
acter
i
stics
7808
Electricalcharacteristicsatspecifiedvirtualjunctiontemperature,
VI=14V,IO=500mA(unlessotherwisenote
d)
78XX
Outputvoltage*
*
ParameterTestCondi
tions*
7808
Min Typ Max
25°C7.788.3
Unit
s
3V,
P≤15
W
V
5V
VI=11Vto17
V
25°C6160
2
80
mV
V,
f=120Hz
0°Cto
125°C5572
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C12160
4
80
mV
Biascurrent25°C4.38
5V
IO=5mAto1A
0°Cto
125°C
1
0.5
mA
Short-circuitoutputcurrent25°C450
Peakoutputcurrent25°C2.2
A
Outputvoltage*
*
ParameterTestCondi
tions*
MIK7885
25°C8.158.58.85Units
5V,
P≤15
W
V
5V
VI=11Vto17
V
25°C6170
2
85
mV
RipplerejectionVI=11.5Vto21.5V,f=
120Hz0°Cto
125°C5470
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C12170
485mV
Biascurrent25°C4.38
5V
IO=5mAto1A
0°Cto
125°C
1
0.5
mA
Short-circuitoutputcurrent25°C450
=
4
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ELECTRONICSCO.,LT
D
IO= 5mA to1A,
VI= 10.5V to2
Inputregulation VI= 10.5V to2
Ripple rejection VI= 11.5V to21.5
Output resistance f=1KHz 0°C to125°C 0.016
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -0.8 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 52
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 10.5V to2
* Pulse testing techniquesare used tomaintain the junction temperature as close to the ambienttemperatureaspossible.Thermal
effectsmust be takeninto account separately.
** Thisspecificationappliesonlyfordc power dissipation permitted byabsolutemaximum ratings.
0°C to125°C 7.6 8 8.4
=
=
Electrical Characteristics
7885
Ω
µ
V
Min Typ Max
IO= 5mA to1A,
VI= 11V to23.
Inputregulation VI= 10.5V to2
Output resistance f=1KHz 0°C to125°C 0.016
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -0.8 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 55
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 10.5V to2
Peakoutputcurrent 25°C 2.2 A
0°C to125°C 8.1 8.5 8.9
Ω
µ
V
Page 5
=
MinTyp
MaxOutputvoltage**
4V,
P≤15
W
25°C8.6599.35
0°Cto
125°C8.5599.4
5
V
7V
VI=13Vto19
V
25°C7180
2
90
mV
V,
f=120Hz
0°Cto
125°C5570
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C12180
4
90
mV
Biascurrent25°C4.38
mA
7V
IO=5mAto1A
0°Cto
125°C
1
0.5
Short-circuitoutputcurrent25°C400
Peakoutputcurrent25°C2.2
A
**Thisspecificationappliesonlyfordcpowerdissipationpermittedbyabsolutemaximumratin
gs.
Electr
i
cal
Cha
r
acter
i
stics
7810
MinTyp
MaxUnits
Outputvoltage*
*
5V,
P≤15
W
25°C9.61010.4
VInputregulationVI=12.5Vto28V25°C7200
VI=14Vto20V2100
mV
V,
f=120Hz
0°Cto
125°C5571
dB
Outputregulation
IO=5mAto1.5A25°C12200
IO=250mAto750mA410
0
mV
Biascurrent25°C4.38
BiascurrentchangeVI=12.5Vto28V0°Cto
125°C
1
Short-circuitoutputcurrent25°C400mAPeakoutputcurrent25°C2.2
A
5
BEIJINGESTEK
ELECTRONICSCO.,LT
D
Electrical Characteristics 7809
Electrical characteristics at specified virtualjunctiontemperature,VI=16V, IO=500mA (unless otherwise noted)
Parameter Test Conditions* 7809 Units
IO= 5mA to1A,
VI= 11.5V to2
Inputregulation VI= 11.5V to2
Ripple rejection VI= 12V to22
78XX
Output resistance f=1KHz 0°C to125°C 0.018
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.0 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 60
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 11.5V to2
* Pulse testing techniques areused to maintain thejunction temperatureasclose totheambienttemperature as possible. Thermal
effectsmust be takeninto account separately.
Electrical characteristics at specified virtualjunctiontemperature,VI=17V, IO=500mA (unless otherwise noted)
Parameter Test Conditions* MIK7810
IO= 5mA to1A,
VI= 12.5V to2
Ripple rejection VI= 13V to23
0°C to125°C 9.5 10 10.5
Ω
µ
V
Output resistance f=1KHz 0°C to125°C 0.018
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.0 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 70
Dropoutvoltage IO= 1A 25°C 2.0 V
IO= 5mA to1A 0.5
µ
V
Ω
Page 6
Electr
i
cal
Cha
r
acter
i
stics
7812
Electricalcharacteristicsatspecifiedvirtualjunctiontemperature,
VI=19V,IO=500mA(unlessotherwisenote
d)
78XX
Outputvoltage*
*
ParameterTestCondi
tions*
7812Units
25°C11.51212.5
7V,
P≤15
W
V
0V
VI=16Vto22
V
25°C10240
3120
mV
V,
f=120Hz
0°Cto
125°C5571
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C12240
4120
mV
Biascurrent25°C4.38
0V
IO=5mAto1A
0°Cto
125°C
1
0.5
mA
Short-circuitoutputcurrent25°C350
Peakoutputcurrent25°C2.2
A
MinTyp
Max
UnitsOutputvoltage*
*
IO=5mAto1A,
VI=17.5Vto3
0V,
P
25°C14.41515.6
V
0V
VI=20Vto26
V
25°C12300
3150
mV
V,
f=120Hz
0°Cto
125°C5470
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C12300
4150
mV
Biascurrent25°C4.38
0V
IO=5mAto1A
0°Cto
125°C
1
0.5
mA
Short-circuitoutputcurrent25°C230
Peakoutputcurrent25°C2.1
A
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ELECTRONICSCO.,LT
D
6
Min Typ Max
IO= 5mA to1A,
VI= 14.5V to2
Inputregulation VI= 14.5V to3
Ripple rejection VI= 15V to25
Output resistance f=1KHz 0°C to125°C 0.018
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.0 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 75
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 14.5V to3
* Pulse testing techniques areusedto maintain thejunction temperatureasclose totheambient temperatureaspossible. Thermal
effectsmust be takeninto account separately.
** Thisspecificationappliesonly fordc power dissipation permittedby absolutemaximumratings.
0°C to125°C 11.4 12 12.6
Electrical Characteristics 7815
Electrical characteristics at specified virtualjunctiontemperature,VI=23V, IO=500mA (unless otherwise noted)
Parameter Test Conditions* MIK7815
Ω
µ
V
0°C to125°C 14.25 15 15.75
≤
Inputregulation VI= 17.5V to3
Ripple rejection VI= 18.5V to28.5
Output resistance f= 1KHz 0°C to125°C 0.019
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.0 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 90
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 17.5V to3
Ω
µ
V
Page 7
Electr
i
cal
Cha
r
acter
i
stics
7818
Electricalcharacteristicsatspecifiedvirtualjunctiontemperature,
VI=27V,IO=500mA(unlessotherwisenote
d)
78XX
Outputvoltage*
*
ParameterTestCondi
tions*
7818
25°C17.31818.7
Unit
s
IO=5mAto1A,
VI= 21V to33V, P≤
V
V
VI=24Vto30
V
25°C15360
5180
mV
V,
f=120Hz
0°Cto
125°C5369
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C12360
4180
mV
Biascurrent25°C4.58
V
IO=5mAto1A
0°Cto
125°C
1
0.5
mA
Short-circuitoutputcurrent25°C200
Peakoutputcurrent25°C2.1
A
MinTyp
Max
UnitsOutputvoltage*
*
IO=5mAto1A,
25°C19.22020.8
V
V
VI=26Vto32
V
25°C18400
7200
mV
V,
f=120Hz
0°Cto
125°C5166
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C15400
7200
mV
Biascurrent25°C4.58
V
IO=5mAto1A
0°Cto
125°C
1
0.5
mA
Short-circuitoutputcurrent25°C180
Peakoutputcurrent25°C2.1
A
BEIJINGESTEK
ELECTRONICSCO.,LT
D
7
Inputregulation VI= 21V to33
Ripple rejection VI= 22V to32
Min Typ Max
0°C to125°C 17.1 18 18.9
Output resistance f=1KHz 0°C to125°C 0.022
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.0 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 110
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 21V to33
* Pulse testing techniquesare usedto maintain thejunction temperature as close to the ambienttemperatureaspossible.Thermal
effectsmust be takeninto account separately.
** Thisspecificationapplies onlyfordcpowerdissipationpermittedbyabsolutemaximum ratings.
Electrical Characteristics 7820
Electrical characteristics at specified virtualjunctiontemperature,VI=29V, IO=500mA (unless otherwise noted)
Parameter Test Conditions* MIK7820
0°C to125°C 19 20 21
VI= 23V to35V, P≤
Inputregulation VI= 23V to35
Ripple rejection VI= 24V to34
Ω
µ
V
Output resistance f= 1KHz 0°C to125°C 0.027
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.3 mV/°C
Outputnoise voltage f=10 Hzto 100 KHz 25°C 150
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 23V to35
Ω
µ
V
Page 8
Electr
i
cal
Cha
r
acter
i
stics
7824
Electricalcharacteristicsatspecifiedvirtualjunctiontemperature,
VI=33V,IO=500mA(unlessotherwisenote
d)
78XX
Outputvoltage*
*
ParameterTestCondi
tions*
7824
25°C232425
Unit
s
IO=5mAto1A,
VI= 27V to38V, P≤
V
V
VI=30Vto36
V
25°C18480
6240
mV
V,
f=120Hz
0°Cto
125°C5066
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C12480
4240
mV
Biascurrent25°C4.68
V
IO=5mAto1A
0°Cto
125°C
1
0.5
mA
Short-circuitoutputcurrent25°C150
Peakoutputcurrent25°C2.1
A
Electricalcharacteristicsatspecifiedvirtualjunctiontemperature,
VI=36V,IO=500mA(unlessotherwisenote
d)
Outputvoltage*
*
ParameterTestCondi
tions*
VI=30Vto40V,P≤1
5W
MIK7827
0°Cto
125°C25.72728.
3
Unit
s
V
V
VI=33Vto39
V
25°C25540
10270
mV
V,
f=120Hz
0°Cto
125°C5064
dB
Outputregulation
IO=5mAto1.
5A
IO=250mAto750mA
25°C20540
9270
mV
Biascurrent25°C4.88
mA
V
IO=5mAto1A
0°Cto
125°C
1
0.5
Short-circuitoutputcurrent25°C120
Peakoutputcurrent25°C2.1
A
**Thisspecificationappliesonlyfordcpowerdissipationpermittedbyabsolutemaximumratings.
8
BEIJINGESTEK
ELECTRONICSCO.,LT
D
Inputregulation VI= 27V to38
Ripple rejection VI= 28V to38
Min Typ Max
0°C to125°C 22.8 24 25.2
Output resistance f=1KHz 0°C to125°C 0.028
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.5 mV/°C
Outputnoise voltage f= 10 Hz to100 KHz 25°C 170
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 27V to38
* Pulse testing techniques areused to maintain thejunction temperatureasclose totheambienttemperature as possible. Thermal
effectsmust be takeninto account separately.
** Thisspecificationappliesonly fordc power dissipation permittedby absolutemaximumratings.
Electrical Characteristics 7827
Min Typ Max
25°C 25.9 27 28.1
IO= 5mA to1A,
Inputregulation VI= 30V to40
Ripple rejection VI= 30V to40
Ω
µ
V
Output resistance f=1KHz 0°C to125°C 0.030
Temperature coefficientofoutputvoltage IO= 5mA 0°C to125°C -1.6 mV/°C
Outputnoise voltage f= 10 Hz to100 KHz 25°C 200
Dropoutvoltage IO= 1A 25°C 2.0 V
Bias current change VI= 30V to40
* Pulse testing techniques areused to maintain thejunction temperatureasclose totheambienttemperature as possible. Thermal
effectsmust be takeninto account separately.
Ω
µ
V
Page 9
TypicalApplicationsC
ircuit
78XX
For a positive regulator, a 0.33-|iF bypass capacitor should be used on the input terminals. While not necess
ary
se
capaci-torsshouldbeonorasnearaspossibletotheregulatorterminals.SeeFig.1
.
78
XX
Fig.1.PositiveRegulator
Ordering Information
ORDER
INGNUMBERPACKAGEMARKING78XXTO-220ET78XX/E
STEK
78
05
Address
:
Email:[email protected]
REVNo:01-060803
9
BEIJINGESTEK
ELECTRONICSCO.,LT
D
for stability, an output capacitor of O.ljiF may be used to improve the transient response of the regulator. The
Postalcode:100039
Tel: 86-010-58895780 / 81 / 82 / 83 / 84 Fax : 010-58895793
Http://www.estek.com.cn
6A06--6A07
Rm 6A07,Changyin Office Building ,No.88,Yong Ding Road,Hai Dian District ,Beijing
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