參數(shù)資料
型號: LM78XX
廠商: Electronic Theatre Controls, Inc.
英文描述: LINEAR INTEGRATED CIRCUIT
中文描述: 線性集成電路
文件頁數(shù): 3/6頁
文件大?。?/td> 61K
代理商: LM78XX
LM78XX
LINEAR INTEGRATED CIRCUIT
3
PARAMETER
Short-Circuit Current
SYMBOL
I
SC
TEST CONDITIONS
VI=35V, Tj=25 C
MIN
TYP
250
MAX
UNIT
mA
Dropout Voltage
Vd
Tj=25 C
2.0
V
Contek LM7808 ELECTRICAL CHARACTERISTICS
( VI=14V, 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
MAX
UNIT
Tj=25 C, I
O
=5mA - 1.0A
7.7
8.0
8.3
V
Output Voltage
Vo
V
I
=10.5V to 23V,
I
O
=5mA - 1.0A, PD<15W
Tj=25 C,I
O
=5mA - 1.5A
7.6
8.4
V
Load Regulation
Vo
80
mV
Tj=25 C,I
O
=0.25A - 0.75A
V
I
=10.5V to 25V,Tj=25 C
40
80
mV
mV
Line regulation
Vo
V
I
=10.5V to 23V,Tj=25 C,Io=1A
80
mV
Quiescent Current
Quiescent Current Change
Iq
Iq
Tj=25 C, I
O
=<1A
V
I
=10.5V to 23V
8.0
1.0
mA
mA
Iq
I
O
=5mA - 1.0A
10Hz<=f<=100kHz
0.5
mA
V
Output Noise Voltage
V
N
58
Temperature coefficient of
Vo
Vo/ T
Io=5mA
-0.9
mV/ C
Ripple Rejection
RR
V
I
=11.5V to 21.5V,
f=120Hz,Tj=25 C
56
72
dB
Peak Output Current
Short-Circuit Current
I
PK
I
SC
Tj=25 C
VI=35V, Tj=25 C
1.8
250
A
mA
Dropout Voltage
Vd
Tj=25 C
2.0
V
Contek LM7809 ELECTRICAL CHARACTERISTICS
( VI=15V, 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
MAX
UNIT
Tj=25 C, I
O
=5mA - 1.0A
8.65
9.00
9.35
V
Output Voltage
Vo
V
I
=11.5V to 24V,
I
O
=5mA - 1.0A,PD<15W
8.6
9.4
V
Load Regulation
Vo
Tj=25 C,I
O
=5mA - 1.5A
90
mV
Tj=25 C,I
O
=0.25A - 0.75A
V
I
=11.5V to 25 V,
Tj=25 C, PD<15W
V
I
=11.5V to 24V,Tj=25 C,
Io<=1A
Tj=25 C, I
O
=<1A
45
90
mV
mV
Line regulation
Vo
90
mV
Quiescent Current
Iq
8.0
mA
Quiescent Current Change
Iq
Iq
V
I
=11.5V to 24V
I
O
=5mA
1.0
0.5
mA
mA
1.0A
Output Noise Voltage
V
N
10Hz<=f<=100kHz
58
V
Temperature coefficient of
Ripple Rejection
Vo
Vo/ T
RR
Io=5mA
V
I
=12.5V to 22.5V,
f=120Hz,Tj=25 C
Tj=25 C
-1.1
72
mV/ C
dB
56
Peak Output Current
I
PK
1.8
A
Short-Circuit Current
Dropout Voltage
I
SC
Vd
VI=35V, Tj=25 C
Tj=25 C
250
2.0
mA
V
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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