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LM7824KNSN/a100avai24 V, 3-terminal positive voltage regulator


LM7824K ,24 V, 3-terminal positive voltage regulatorElectrical Characteristics Lead Temperature T0-3 Metal Can (Soldering, 60 sec.) T0-220 Package ..
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LM7824K
6 V, 3-terminal positive voltage regulator
LM7800 Series
_ National
Semiconductor
LM7800 Series
3-Terminal Positive Voltage Regulators
General Description Features
The LM7800 series of monolithic 3-terminal positive voltage " Output current in excess of I.0A
regulators employ internal current-limiting, thermal shut- II No external components
down and safe-area compensation, making them essentially n Internal thermal overload protection
indestructible. " adequate heat sinking is provided, they can u Internal short circuit current-limiting
deliver over 1.0A o.utput gurrent. They are waded. as fired n Output transistor safe-area compensation
voltage regulators In f, wide ra.r.N? of. api1icatlons imiiufp.g n Available in JEDEC TO-220 and TO-3 packages
local (on-card) regulation for elimination of nose and distri-
bution problems associated with single-point regulation. In D OUth ”Pages ot tW, BV, "W and 24V (See Note)
addition to use as fixed voltage regulators, these devices " Available in extended temperature range
can be used with extemai components to obtain adjustable
output voltages and currents.
Connection Diagrams
COMMON
(CASE) 's our
TL/H/10052-t
Top Vlew
Order Number LM7806K, LM7808K, LM7818K,
LM7824K, LM78066K, LM78080K,
LM78180K or LM7824CK
See NS Package Number KOZA
COMMON
COMMON
Lead 3 connected to tab. TL/H/10052-2
Top Vlew
Order Number LM7BOSCT, LM7808CT
LM78180T or LM7824CT
See NS Package Number T038
Note: See General Purpose Linear Databook for spetrifitta-
tions on similar devices with 5V, 12V, or 15V outputs. These
parts can be found under LM140/LM340, LM140A/ LM340A
(for tighter output tolerance) and LM78XX datasheets.
Absolute Maximum Ratings
If Mllltary/Aeroapaco aptttgflttd dovlcoa are required,
please contact the Natlonal Semiconductor Sans
offlttttfDIatrlbutttra for availability and trpeelneatlttns.
Lead Temperature
T0-3 Metal Can (Soldering, 60 sec.)
TO-220 Package (Soldering, 10 sec.)
Storage Temperature Range Power Dissipation Internally Limited
TO-3 Metal Can -65% to + 175°C Input Voltage
TO-220 Package -65% to + 150'C 6.0V to 18V 35V
Operating Junction Temperature Range 24V 40V
Extended (LM7800) -55t to +15tPC ESD Susceptibility (to be determined)
Commercial (LM78000) 0°C to + 150°C
LM7806C
Electrical Characteristics
ty'C S TA S +125''C, VI aw. 11V, lo = 500 mA, th = 0.33 pf. Co == 0.1 wi', unless otherwise specified
Symbol Parameter Conditions (Note 1) Mln Typ Max Units
V0 Output Voltage Tu = 25°C 5.75 6.0 6.25 V
Vn LINE Line Regulation Tu = 25°C 8.0V S V. S 25V 5.0 120 mV
9.0V S VI S 13V 1.5 60
Va LOAD Load Regulation To = 25°C 5.0 mA S Io S 1.5A 14 120 mV
250 mA S lo S 750 mA 4.0 60
vo Output Voltage 8.0V S VI S 21V, 5.0 mA S lo S 1.OA, P S 15W 5.7 6.3 V
la QuieseentGurrtmt To = 25°C 4.3 8.0 mA
Na QuiescentCurrent With Line 8.0V S VI S 25V 1.3 m A
Change With Load 5.0 mA g Io g 1.0A 0.5
No Noise TA = 25''C, 10 Hz s f s 100 kHz 45 MV
AvilAVo Ripple Rejection f = 2400 Hz, lo = 350 mA, To = 25% 59 75 dB
V00 DropoutVoItage Io == 1.0A, TJ = 25''C 2.0 V
Ro Output Resistance f = 1.0 kHz 19 mn
los Output Short CircuitCurrent Tu = 25°C, V1 = 35V 550 mA
lpk Peak Output Current Tu = 25°C 2.2 A
Avo/AT Average Temperature Io = 5.0 mA, tPC S TA S +125°C 0.8 mV/°C
Ctmffittient of Output Voltage
LM7808
Electrlcal Charattterltgtltttg
-55'C S TA S +125T, V. --.. 14V, lo " 500 mA, C] '= 0.33 pF, Co == 0.1 pF, unless otherwise ttpetyfitrd
Symbol Parameter Conditions (Note 1) Min Typ Max Unlts
Vo Output Voltage To = 25'C 7.7 8.0 8.3 V
" LINE Line Regulation TJ = 25'C 10.5V S V; S 25V 6.0 80 mV
11VSV| S 171/ 2.0 40
Va LOAD Load Regulation To = 25'C 5.0 mA g lo S 1.5A 12 100 mV
250 mA S lo S 750 mA 4.0 40
vo Output Voltage 11.5V S VI S 23V, 5.0 mA S lo S 1.0A, P S 15W 7.6 8.4 V
IQ QuiescentCurrent TJ = 25''C 4.3 6.0 mA
Ala Quiescent Current With Line 11.5V S VI S 25V 0.8 m A
Change With Load 5.0 mA g lo s 1.0A 0.5
sagas OOBLW'I
LM7800 Series
LM7808
Electrical Characteristics (Continued)
--55''C S TA S + 125°C, VI = 14V, IO = 500 mA, C. = 0.33 “F. Co == 0.1 pF, unless otherwise specified
Symbol Parameter CondltlortaiNutr' 1) Mln Typ Max Unlts
No Noise TA = 25'C, 10 Hz S t S 100 kHz 8.0 40 pV/Vo
AV1/AV0 Ripple Rejection t = 2400 Hz, IO = 350 mA, Tu = 25% 62 72 dB
V90 DropoutVoltage IO = 1.0A, To = 25°C 2.0 2.5 V
Ro Output Resistance = 1.0 kHz 16 mn
los OutputShort CircuitCurrem To = 25''C, V. = 35V 0.75 1.2 A
be Peak OutputCurrent To w= 25''C 1.3 2.2 3.3 A
AVo/AT Average Temperature lo = 5.0 mA --55''C S TA S +25’C 0.4 mV/‘C/
Coefficient of Output Voltage +25%; S T A S +125°C 0.3 V0
LM7808C
Electrical Characteristics
0°C S TA S +125''C, VI = 14V, IO = 500 mA, c, = 0.33 psF, Co = 0.1 pF, unIess otherwise specified
Symbol Parameter Condltlons (Note 1) Mln Typ Max Units
vo Output Voltage To = 25'C 7.7 8.0 8.3 V
" LINE Line Regulation To = 25°C 10.5V S V. S 25V 6.0 160 mV
11VSVIS17V 2.0 80
Va LOAD Load Regulation To = 25°C 5.0 mA S lo S 1.5A 12 160 mV
250 mA S Io S 750 mA 4.0 80
vo Output Voltage 10.5V S VI S 23V, 5.0 mA S lo S 1.0A, P S 15W 7.6 8.4 V
la QuiescentCurrent T J = 25'C 4.3 8.0 mA
Na Quiescent Current With Line 10.5V S VI S 25V 1.0 m A
Change With Load 5.0 mA g lo s 1.0A 0.5
No Noise TA = 25''C, 10 Hz S f S 100 kHz 52 y.V
AV./AV0 Ripple Rejection f = 2400 Hz, 10 = 350 mA,TJ = 25% 56 72 ‘dB
Vpo Dropout Voltage Io = 1.0A,TJ = 25'C 2.0 V
Ro Output Resistance f == 1.0 kHz 16 mn
los OutputShort CircuitCurrent To = 25'C, v, = 35V 450 mA
lpk Peak OutputCurrent TJ = 25'C 2.2 A
AVofhT t:','lf1T,t17Clitt"'vsta,v, lo 5.0mA 0.8 mV/''C
LM7818
Electrical Characteristics
-55'C S TA g +125°C, VI = 27V, IO = 500 mA, CI = 0.33 pF. Co = 0.1 pF, unless otherwise specified
Symbol Parameter Conditions (Note t) Mln Typ Max Units
Va Output Voltage TJ = 25'C 17.3 18.0 18.7 V
Vn LINE Line Regulation TJ = 25"C 21V S V. S 33V 15 180 mV
24V S V. S 30V 5.0 90
Va LOAD Load Regulation Tu = 25°C 5.0 mA S lo S 1.5A 12 180 mV
250 mA S lo s 750 mA 4.0 90
V0 Output Voltage 22V S VI S 33V, 5.0 mA S l0 S 1.0A, P S 15W 17.1 18.9 V
IQ Quiescent Current To = 25'C 4.5 6.0 mA
Ala Quiescent Current With Line 22V S lh S 33V 0.8 m A
Change With Load 5.0 mA S lo S 1.0A 0.5
No Noise TA = 25'C, 10 Hz S f S 100 kHz 8.0 40 pV/Vo
AVIIAVO Ripple Rejection f = 2400 Hz, Io = 350 mA,Tu = 25''C 59 69 dB
V00 DropoutVoltage ko == 1.0A, To = 25''C 2.0 V
Fig Output Resistance = 1.0 kHz 22 mn
los Output Short CircuitCurrent T J = 25''C,V, = 35V 0.75 A
ka Peak OutputCurrent TJ = 25'C 1.3 2.2 3.3 A
AVo/AT Average Temperature IO = 5.0 mA -55'C S TA S +25°C 0.4 mV/°C/
Coefficient of Output Voltage + 25''C S T A S +125°C 0.3 vo
LM781 "
Electrical Characteristics
0°C S TA S +125°C, V. = 27V, IO = 500 mA, th = 0.33 pF, Co = tht pF, unless otherwise specified.
Symbol Parameter Conditions (Note 1) Mln Typ Max Unlts
Vo OutputVoltage TJ = 25'C 17.3 18.0 18.7 V
Vn LINE Line Regulation TJ = 25°C 21V S V. S 33V 15 360 mV
24V S V. S 30V 5.0 180
Va LOAD Load Regulation TJ = 25°C 5.0 mA S lo S 1.5A 12 360 mV
250 mA S lo S 750 mA 4.0 180
vo OutputVoltage 21V S V. S 33V, 5.0 mA S lo S 1.0A, P S 15W 17.1 18.9 V
la Quiescent Current Tu = 25°C 4.5 8.0 mA
1 -277
S 00813“
LM7800 Series
LM7818C
Electrical Characteristlcs (Continued)
WC S TA S +125'C, V. = 271t, IO = 500 tttA, C. -- 0.33 psi', Co = 0.1 pF, unless otherwise specified
Symbol Parameter Conditions (Note 1) Mln Typ Max Units
ala QuiescentCurrent With Line 21V S V. S 33V 1.0 mA
Change With Load 5.0 mA s Io s: 1.0A 0.5
No Noise TA = 25%, 10 Hz S t S 100 kHz 110 p.V
AVIIAVO Ripple Rejection f = 2400 Hz, Io Wd.. 350 mA, To = 25% 53 69 dB
VDO DropoutVoltage Io = 1.0A, To = 25''C 2.0 V
Ro Output Resistance f = 1.0 kHz 22 mn
los OutputShort CircuitCurrent Tu = 25°C, VI = 35V 200 mA
be Peak OutputCurrent To = 25°C 2.1 A
AVo/AT tA2,rflt',rTtr,',1"gtlrtutag,, lo 5.0 mA 1,0 mNPt1
LM7824
Electrical Characteristics
-55''C S TA S +125't3, V. = 33V, I0 = 500 mA, C. ' 0.33 pst', CO = 0.1 pF, unless otherwise specified
Symbol Parameter Conditions (Note " Mln Typ Max Unlts
Vo Output Voltage TJ = 25°C 23.0 24.0 25.0 V
VR LINE Line Regulation Tu = 25°C 27V S lh S 38V 18 240 mV
30V S VI S 36V 6.0 120
Va LOAD Load Regulation TJ = 25°C 5.0 mA S Io S 1.5A 12 240 mV
250 mA S Io S 750 mA 4.0 120
V0 OutputVoItage 28V S V. S 38V, 5.0 mA S lo S 1.0A, P S 15W 22.8 25.2 V
la QuiescentCurrent Tu = 25°C 4.6 6.0 mA
Ala Quiescent Current With Line 28V S VI S 38V 0.8 m A
Change With Load 5.0 mA si lo S 1.0A 0.5
No Noise TA = 25''C, 10 Hz S f S 100 kHz 8.0 40 WV/VO
AVIIAVO Ripple Rejection f = 2400 Hz, IO = 350 mA, Tu = 25°C 56 66 dB
VDO DropoutVoltage lo = 1.0A, T,: = 25'C 2.0 2.5 V
Ro Output Resistance f = 1.0 kHz 28 mit
los OutputShort CircuitCurrent Tu = 25°C, V. = 35V 0.75 1.2 A
be Peak Output Current Tu = 25°C 1.3 2.2 3.3 A
AVo/AT Average Temperature Io = 5.0 mA -55''C S TA S +25°C 0.4 mV/°C/
CoefficientofOutputVohage +25% S TA S +1290 0.3 Vo
LM7824C
Electrical Characteristics
WC S TA S +125°C, VI = 33V, IO = 500 mA, C. = 0.33 pF. Co = 0.1 pF, unless otherwise specified
Symbol Characteristics Condltlons (Nate 1) Mln Typ Max Units
vo Output Voltage T J = 25°C 23.0 24.0 25.0 V
Va LINE Line Regulation To = 25°C 27V S V‘ S 38V 18 480 mV
30V S V. g 36V 6.0 240
Va LOAD Load Regulation TJ = 25°C 5.0 mA S lo S 1.5A 12 480 mV
250 mA S lo S 750 mA 4.0 240
V0 Output Voltage 27V S V. S 38V, 5.0 mA S Io g 1.0A, P S 15W 22.8 25.2 V
IQ QuiescentCurrent TJ = 25°C 4.6 8.0 mA
LM7824C
Electrical Characteristics (Continued)
trc g TA S +125%, V. = 33V, lo = 500 mA, C, == 0.33 pF, Co = 0.1 pF, unless otherwise tspecified
Symbol Parameter Condltlons (Note 1) Mln Typ Max Unlts
Alta Quiescent Current With Line 27V S VI S 38V 1.0 mA
Change With Load 5.0 mA g lo s: 1.0A 0.5
No Noise TA = 25''C, 10 Hz S f S 100 kHz 170 pV
AVIIAVo Ripple Rejection f = 2400 Hz; lo = 350 mA, T: = 25°C 50 66 dB
V00 Dropout Voltage lo = 1.0A, To = 25°C 2.0 V
Ho Output Resistance f = 1.0 kHz 28 mn
los OutputShort CircuitCurrent TJ = 25'C,V. = 35V 150 mA
be Peak Output Current TJ = 25'C 2.1 A
AVo/AT Average Temperature lo = 5.0 mA 1.5 mV /° C
Coefficient of Output Voltage
Not. P. For all tables. all characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tw S 10 ms, duty cycle S 5%).
Output voltage changes due to changes in internal temperature must be taken into account separately.
Equivalent Circuit
I 100 m soon
013 as
05 R16 L
2.0 m R20
2‘05” 2r" 0-19kn
R6 t . 011
I- 1.0 m 20 m C1
_ 30 pF
01 - Q7
tll 02 03 at R19
R7 t' 5.0m
soon A
mo F R3 R14
6.0m i 1.0 " mm
d Ir- COMMON
TL/H/ t0052-3
sauas OOBLW'I
, -279
LM7800 Series
Typical Performance Characteristics
Worst Case Power Dlttalptstion "
Ambient Temperature tro-to
' =5.WN
Kr. won!
tmx =15o°c
25 SO " IN t25 150
AMBIENI’ TDIPERM’URE - A:
mmnmu-w
Output Voltage "
Junction Temperature
IM M812
oumn vomo: - v
v. = m
Yo = 12Y u
"8 5:20” I
45-50-50 25 50 7sltrM25150i75
amcammtptRntmE-e
Dropout Characteristics
Yo = 5.0V
TJ=2s°c “ms
g b--o
ta, ks
b = 1.0A
D " " SD M IO
INPUT VOLTAII - V
Rlpple Rejectlon "
Frequency
LI7805
v.=a.ovrotav
20 v0 =5.ov
lo =soom
1J=15°c
wmaucnou-as
10 IN Mk 10K
FREQUENCY - Hz
mmmou-w
wmwm-m OUTPUTVOLTAGE-V
OU'IPUI' VOLYAK ommou - mV
Worst Case Power Dissipation "
Amblont Temperature (T 0-220)
um rm umooc
=0C/VI
25 50 75 lm IE 150
mm TDIPERATURZ - "
Current-Limiting
Characteristics
2:2:ng
v.=1ov
As = 5.0V
T: = 2Sett
tt " 0811 " M "
OUTPUTCURRDiT-A
Quiescenl Curran! "
Input Voltage
IL=20mA
h=es'e
" 10 15
“PUT VOLTAGE - V
2325”!
Llne Transient m""''"''"',,
NPUT VOLTAGE - V
02l7tttM8010t2
TIIE-us
Peak Output Current "
InpuUOutput
Voltage Differential
OUIPUI comm - A
0 M IO 15 at B 30
NPUT/OUTPUI’UW-V
Dropout Voltage vs
Junctlon Temperature
5:1.04
m '''0
amour 0mm
Avo = s.ox or v0
mn/omm mm - v
45-50-05 0 B 50 7s1oonsmm
amemmTtWgRutJeg-e
Quloscent Current "
Junction Temperature
vI = toy
v°=s.ov
" toasoom
LITSOS
outset!" CURRDH - [M
-N-M-a tt 25 50 75lw15150175
amtmthtmtmtMuig-N
Load Transient Response
v. = In I o
V = 5.0 .
OUTPU'I'VOIJM muon-v
LOADCURR‘DH- rM
20 33 A) 50 an
Ttlg-s"
TL/H/loose-e
Typical Performance Characteristics (Continued)
Output Impedance vs
Frequency
h =1ov
v = 5.0v
I' lol " = 25 'lf
tl ct = Op
b, tit"
Ct I0 = 500 mA
10 100 1K 10K 100K w
FREQUENCY - Hz
TLfH/t0052-5
Note: The other LM7800 saris: devices have similar curves.
DC Parameter Test Circuit
h OJSpFl loud Yo
TLIH/ 10052-6
LM7800
991193 OOBLW'I
LM7800 Series
Design Considerations
The LM7800 fixed voltage regulator series has thermal
overload protection from excessive power dissipation, inter-
nal short circuit protection which limits the regulator's maxi-
mum current, and output transistor safe-area compensation
for reducing the output current as the voltage across the
pass transistor is increased.
Although the internal power dissipation is limited, the junc-
tion temperature must be kept below the maximum speci-
fied temperature (150°C for LM7800. 125'C for LM7800C) in
order to meet data sheet specifieations. To calculate the
maximum junction temperature or heat sink required, the
following thermal resistance values should be used:
Typ 9.10 Max 94c Typ 94A Max 9JA
Pattkage "C/W °CIW "C/W "C/W
T03 3.5 5.5 35 40
TO-220 3.0 5.0 40 so
Typical Applications
leed Output Regulator
LM7800 Yo
tht ALF
l,Ju,se.c-_TA.
PDMax = tloc + 90A
= T.; Max TA
em = 8cs + 93A
Solving for To:
TJ == TA + PD (0J0 + tra0or
= TA + PDOJA (without heat sink)
Where:
TJ = Junction Temperature
TA = Ambient Temperature
PD = Power Dissipation
tloc = Junction-to-Case Thermal Resistance
em = Case-to-Ambient Thermal Resistance
ecs = Case-to-Heat Sink to Thermal Resistance
' = Heat Sink-to-Ambient Thermal Resistance
' = Junction-to-Ambient Thermal Resistance
(without heat sink)
High Input Voltage Circults
1 LM7800 2
" ' I (nor: 1) I
0.331% 3 th1 pf
(NOTE 2) I l l (NOTE 2)
TL/H/10052-7 TL/HMtXm2-8
Note 1: To specify an output voltage, substitute voltage value for "00".
Note 2: Bypass capacitors are recommended for optimum stability and tram
sient response, and should be located as close as possible to the regulator. 1 2
l LM7800 h,
T 0.33 “F I 0.l pr
TL/H/loose-tr
High Current Voltage Regulator
01 I01
2N6133 -
2 lo MAX
LM7800 Yo
MOI) 2 -k.osttpc
'REGMax
JY2 = 8(01) VBEgm)
less less Max03 + 1) - Io Max
I Is 1 0.lpr
TL/Hl10052-10
Typlcal Appllcatlons (Continued)
High Output Current. Short Clreult Protoctod
IN 2NMS2
2N5124
LM7800 OUT
3.0.0. 0.33 FF 3 - - 0.1 yr
R53 - c, I----?--;
..._..MLQJJ_ - TL/H/10052-11
Inseam“? +1)-|0Max
Positive and Negative Regulator
LM7500 . 00t
LM7300
TL/H/10052-12
931135 OOBLWI
This datasheet has been :
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Datasheets for electronic components.
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This file is the datasheet for the following electronic components:
LM7806K - product/Im7806k?HQS=T|-nu|l-nuII-dscatalog-df-pf—nuII-wwe
LM7808CK - product/lm7808ck?HQS=T|-nu|I-nulI-dscatalog-df—pf—nulI-wwe
LM7806CK - product/Im7806ck?HQS=T|-nu|I-nulI-dscatalog-df—pf—nuII-wwe
LM7818CK - product/lm7818ck?HQS=T|—nul|—nulI-dscatalog-df—pf—nuII-wwe
LM7818K - product/lm7818k?HQS=T|-nu|l-nuII-dscatalog-df-pf—nuII-wwe
LM7824CK - product/lm7824ck?HQS=T|-nu|I-nulI-dscatalog-df—pf—nulI-wwe
LM7824K - product/Im7824k?HQS=T|-nu|l-null-dscatalog-df—pf—nuII-wwe
LM7808K - product/Im7808k?HQS=T|-nu|l-nuII-dscatalog-df—pf—nuII-wwe
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