參數(shù)資料
型號(hào): LM78XX
廠商: National Semiconductor Corporation
英文描述: Series Voltage Regulators
中文描述: 系列穩(wěn)壓器
文件頁(yè)數(shù): 5/6頁(yè)
文件大?。?/td> 61K
代理商: LM78XX
LM78XX
LINEAR INTEGRATED CIRCUIT
5
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
MAX
UNIT
Tj=25 C, I
O
=5mA - 1.0A
14.4
15.0
15.6
V
Output Voltage
Vo
V
I
=17.5V to 30V,
I
O
=5mA - 1.0A,PD<15W
Tj=25 C,I
O
=5mA - 1.5A
14.25
15.75
V
Load Regulation
Vo
150
mV
Tj=25 C,I
O
=0.25A - 0.75A
75
mV
Line regulation
Vo
V
I
=18.5V to 30V,Tj=25 C
V
I
=17.7V to 30V,
Tj=25 C, I
O
=1A
Tj=25 C, I
O
=<1A
150
150
mV
mV
Quiescent Current
Iq
8.0
mA
Quiescent Current Change
Iq
Iq
V
I
=17.5V to 30V
I
O
=5mA - 1.0A
1.0
0.5
mA
mA
Output Noise Voltage
V
N
10Hz<=f<=100kHz
90
V
Temperature coefficient of
Ripple Rejection
Vo
Vo/ T
RR
Io=5mA
V
I
=18.5V to 28.5V
f=120Hz,Tj=25 C
Tj=25 C
-1.8
70
mV/ C
dB
54
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 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
MAX
UNIT
Tj=25 C, I
O
=5mA - 1.0A
17.3
18.0
18.7
V
Output Voltage
Vo
V
I
=21V to 33V,I
O
=5mA - 1.0A
Tj=25 C,I
O
=5mA - 1.5A
17.1
18.9
180
V
Load Regulation
Vo
mV
Tj=25 C,I
O
=0.25A - 0.75A
V
I
=21V to 33V,Tj=25 C
90
180
mV
mV
Line regulation
Vo
V
I
=21V to 33V,
Tj=25 C, I
O
=<1A,PD<15W
180
mV
Quiescent Current
Iq
Tj=25 C, I
O
=<1A
8.0
mA
Quiescent Current Change
Iq
Iq
V
I
=21.5V to 33V
I
O
=5mA - 1.0A
1.0
0.5
mA
mA
Output Noise Voltage
Temperature coefficient of
V
N
Vo/ T
10Hz<=f<=100kHz
Io=5mA
110
-2.2
V
Vo
mV/ C
Ripple Rejection
RR
V
I
=22V - 32V,f=120Hz,Tj=25 C
53
69
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
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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