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PDF LM78XX Data sheet ( Hoja de datos )
| Número de pieza | LM78XX | |
| Descripción | LINEAR INTEGRATED CIRCUIT | |
| Fabricantes | ETC | |
| Logotipo |  |
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LM78XX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 1A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The Contek 78XX 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 1.5 A
*Fixed output voltage of 5V, 6V, 8V, 9V, 10V, 12V,
15V ,18V and 24V available
*Thermal overload shutdown protection
*Short circuit current limiting
*Output transistor SOA protection
1
TO-220
TEST CIRCUIT
1:Input 2:GND 3:Output
R13
T10
R17
T8
R14
T11
T5
R9 Z2
T9
T13
T12
R19
R18
R11
T14
R12
R10
R15
Z1
R16
T6
R5
T4
T15
R1
T1
R4
R2
T2
R6
C1
T3
T7
R8
R7
Contek
R3
INPUT
1
OUTPUT
3
GND
2
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:[email protected]
1
1 page  
LM78XX
LINEAR INTEGRATED CIRCUIT
Contek LM7815 ELECTRICAL CHARACTERISTICS
( VI=23V, Io=0.5A, Tj= 0 C - 125 C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Output Voltage
Tj=25 C, IO=5mA - 1.0A
14.4 15.0
Vo
VI =17.5V to 30V,
14.25
Load Regulation
Line regulation
Quiescent Current
IO=5mA - 1.0A,PD<15W
DVo Tj=25 C,IO=5mA - 1.5A
Tj=25 C,IO=0.25A - 0.75A
DVo VI =18.5V to 30V,Tj=25 C
VI =17.7V to 30V,
Tj=25 C, IO =1A
Iq Tj=25 C, IO=<1A
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of
Ripple Rejection
Vo
Peak Output Current
Short-Circuit Current
Dropout Voltage
DIq
DIq
VN
DVo/DT
RR
IPK
ISC
Vd
VI =17.5V to 30V
IO=5mA - 1.0A
10Hz<=f<=100kHz
Io=5mA
VI =18.5V to 28.5V
f=120Hz,Tj=25 C
Tj=25 C
VI=35V, Tj=25 C
Tj=25 C
90
-1.8
54 70
1.8
250
2.0
MAX
15.6
15.75
UNIT
V
V
150 mV
75 mV
150 mV
150 mV
8.0 mA
1.0 mA
0.5 mA
mV
mV/ C
dB
A
mA
V
Contek LM7818 ELECTRICAL CHARACTERISTICS
( VI=27V, Io=0.5A, Tj= 0 C - 125 C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Output Voltage
Load Regulation
Line regulation
Tj=25 C, IO=5mA - 1.0A
17.3 18.0
Vo VI =21V to 33V,I O=5mA - 1.0A 17.1
DVo Tj=25 C,IO=5mA - 1.5A
Tj=25 C,IO=0.25A - 0.75A
DVo VI =21V to 33V,Tj=25 C
VI =21V to 33V,
Tj=25 C, IO =<1A,PD<15W
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
Iq Tj=25 C, IO=<1A
DIq VI =21.5V to 33V
DIq IO=5mA - 1.0A
VN 10Hz<=f<=100kHz
110
DVo/DT Io=5mA
-2.2
RR VI =22V - 32V,f=120Hz,Tj=25 C 53 69
IPK Tj=25 C
1.8
ISC VI=35V, Tj=25 C
250
Vd Tj=25 C
2.0
MAX
18.7
18.9
180
90
180
180
UNIT
V
V
mV
mV
mV
mV
8.0 mA
1.0 mA
0.5 mA
mV
mV/ C
dB
A
mA
V
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:[email protected]
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LM78XX.PDF ] | |
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