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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 6/6頁(yè) |
| 文件大?。?/td> | 61K |
| 代理商： | LM78XX |
LM78XX
LINEAR INTEGRATED CIRCUIT
6
Contek LM7824 ELECTRICAL CHARACTERISTICS
( VI=33V, Io=0.5A, Tj= 0 C
-
12 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
23.0
24.0
25.0
V
Output Voltage
Vo
V
I
=27V to 38V,I
O
=5mA - 1.0A
22.8
25.2
V
Load Regulation
Vo
Tj=25 C,I
O
=5mA - 1.5A
Tj=25 C,I
O
=0.25A - 0.75A
240
120
mV
mV
Line regulation
Vo
V
I
=27V to 38V,Tj=25 C
V
I
=27V to 38V,Tj=25 C,Io=1A
240
240
mV
mV
Quiescent Current
Quiescent Current Change
Iq
Iq
Tj=25 C, I
O
=<1A
V
I
=28V to 38V
8.0
1.0
mA
mA
Iq
I
O
=5mA - 1.0A
0.5
mA
Output Noise Voltage
Temperature coefficient of
V
N
Vo/ T
10Hz<=f<=100kHz
Io=5mA
170
-2.8
V
Vo
mV/ C
Ripple Rejection
Peak Output Current
RR
I
PK
V
I
=28V - 38V,f=120Hz,Tj=25 C
Tj=25 C
50
66
1.8
dB
A
Short-Circuit Current
I
SC
VI=35V, Tj=25 C
250
mA
Dropout Voltage
Vd
Tj=25 C
2.0
V
Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length
of the package and copper pattern of PCB. The data above represents pulse test conditions with junction
temperatures specified at the initiation of test.
Note 2:
Power dissipation<0.5W
APPLICATION CIRCUIT
Contek
LM78XX
3
2
1
C0
0.1 F
C1
0.33
F
Vi
Vo
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.
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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