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PDF LR7815 Data sheet ( Hoja de datos )
| Número de pieza | LR7815 | |
| Descripción | 3-Terminal 1A Positive Voltage Regulators | |
| Fabricantes | LRC | |
| Logotipo |  |
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LESHAN RADIO COMPANY, LTD.
LR7800 Series3-Terminal 1A Positive Voltage Regulators
DESCRIPTION
The LRC LR78XX family is monolithic fixed
voltage regulator integrated circuit. They are
suitable for applications that required supply
current up to 1 A.
FEATURES
*Output current up to 1A
*Fixed output voltage of 5V, 6V, 7V, 8V,9V,10V,
12V, 15V ,18V and 24V available
*Thermal overload shutdown protection
*Short circuit current limiting
1
23
TO-220
1: Input 2: GND 3: Output
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
PARAMETER
Input voltage (for Vo=5~18V)
(for Vo=24V)
Output Current
Power Dissipation
Thermal Resistance Junction-Air
Thermal Resistance Junction-Cases
Operating Junction Temperature Range
Storage Temperature Range
SYMBOL
VI
Io
PD
R T JA
R T JC
Topr
Tstg
RATING
35
40
1
Internally Limited
65
5
0 ~ +150
-55 ~ +150
UNIT
V
V
A
W
qC/W
qC/W
qC
qC
APPLICATION CIRCUIT
Vi
C1
0.33
PF
1 LR78XX
2
3 Vo
C0
0.1 PF
Note 1: To specify an output voltage, substitute voltage value for "XX".
Note 2: Bypass capacitors are recommended for optimum stability and transient response and should be located
as close as possible to the regulators.
1/7
1 page  
LESHAN RADIO COMPANY, LTD.
LR7800 Series3-Terminal 1A Positive Voltage Regulators
LR7812 ELECTRICAL CHARACTERISTICS
( VI=19V, Io=0.5A, Tj= 0qC - 125qC, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
Output Voltage
Tj=25qC, IO=5mA - 1.0A
11.5 12.0 12.5
Vo VI =14.5V to 27V,
IO=5mA - 1.0A,PD̰15W
11.4
12.60
Load Regulation
'Vo
Tj=25qC,IO=5mA - 1.0A
Tj=25qC,IO=0.25A - 0.75A
240
120
Line regulation
'Vo
VI =14.5V to 30V,Tj=25qC
VI =14.6V to 27V,Tj=25qC, Io=1.0A
240
120
Quiescent Current
Iq Tj=25qC, IO̰1.0A
8.0
Quiescent Current Change
'Iq VI =14.5V to 30V
1.0
IO=5mA - 1.0A
0.5
Output Noise Voltage
VN 10Hz̰f̰100kHz
76
Ripple Rejection
RR VI =15V - 25V,f=120Hz,Tj=25qC
55 71
Peak Output Current
IPK Tj=25qC
1.8
Short-Circuit Current
ISC VI=35V, Tj=25qC
230
Dropout Voltage
Vd Tj=25qC
2.0
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
PV
dB
A
mA
V
LR7815 ELECTRICAL CHARACTERISTICS
( VI=23V, Io=0.5A, Tj= 0qC - 125qC, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Output Voltage
Tj=25qC, IO=5mA - 1.0A
14.40 15.0
Vo VI =17.5V to 30V,
IO=5mA - 1.0A,PD̰15W
14.25
Load Regulation
'Vo
Tj=25qC,IO=5mA - 1.0A
Tj=25qC,IO=0.25A - 0.75A
Line regulation
'Vo
VI =18.5V to 30V,Tj=25qC
VI =17.7V to 30V, Tj=25qC, IO =1.0A
Quiescent Current
Iq Tj=25qC, IO̰1.0A
Quiescent Current Change
'Iq
VI =17.5V to 30V
IO=5mA - 1.0A
Output Noise Voltage
VN 10Hz̰f̰100kHz
90
Ripple Rejection
RR VI =18.5V to 28.5V
54 70
f=120Hz,Tj=25qC
Peak Output Current
IPK Tj=25qC
1.8
Short-Circuit Current
ISC VI=35V, Tj=25qC
230
Dropout Voltage
Vd Tj=25qC
2.0
MAX
15.60
15.75
300
150
300
150
8.0
1.0
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
PV
dB
A
mA
V
5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LR7815.PDF ] | |
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