參數(shù)資料
型號： LM140-12
英文描述： 1 AMP Positive Voltage Regulator(1.5 A ,12V穩(wěn)壓器)
中文描述： 1安培正電壓穩(wěn)壓器（1.5甲，12V的穩(wěn)壓器）
文件頁數(shù)： 2/5頁
文件大?。?/td> 55K
代理商： LM140-12
V
O
Output Voltage
V
O
Low Supply
D
V
O
Line Regulation
D
V
O
Load Regulation
I
Q
Quiescent Current
D
I
Q
Quiescent Current
Change
V
N
Output Noise
Voltage
D
V
IN
D
V
O
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Output Current
Average Temperature
Coefficient of V
O
Input Voltage required to
maintain line regulation
1) All characteristics are measured with a capacitor across the input of 0.22
m
F and a capacitor across the output of 0.1
m
F.
All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (t
p
￡
10ms,
d ￡
5%). Output
voltage changes due to changes in internal temperature must be taken into account separately.
2) Although power dissipation is internally limited, these specifications are applicable for maximum power dissipation P
MAX
of 20W ,
I
MAX
= 1.0A.
3) T
J
= 25°C unless otherwise stated.
R
O
I
sc
I
pk
IP7805A
LM,IP140
–
05
Typ.
5
IP7805
LM,IP140
–
05
Typ.
5
Parameter
Test Conditions
I
O
= 1A
I
O
= 5mA to I
MAX
V
IN
= 7.5V to 20V
I
O
= 5mA to I
MAX
V
IN
= 7V to 20V
Min.
4.95
Max.
5.05
Min.
4.8
Max.
5.2
Units
V
IN
= 10V
P
D
￡
P
MAX
T
J
= -55 to 150°C
P
D
￡
P
MAX
V
IN
= 7V to 25V
V
IN
= 7.5V to 25V
T
J
= -55 to 150°C
V
IN
= 7.3V to 20V
I
O
= 0.5 I
MAX
I
O
￡
I
MAX
V
IN
= 8V to 12V
T
J
= -55 to 150°C
I
O
= 5mA to 1.5A
I
O
= 250mA to 750mA
I
O
= 5mA to I
MAX
T
J
= -55 to 150°C
V
IN
= 10V
V
IN
= 10V
I
O
￡
I
MAX
V
IN
= 10V
I
O
= 5mA to I
MAX
T
J
= -55 to 150°C
V
IN
= 10V
V
IN
= 7.5V to 20V
T
J
= -55 to 150°C
V
IN
= 8V to 25V
V
IN
= 7V to 25V
T
J
= -55 to 150°C
I
O
￡
I
MAX
I
O
￡
0.5 I
MAX
I
O
￡
0.5 I
MAX
f = 10Hz to 100kHz
V
IN
= 10V
I
O
￡
I
MAX
I
O
￡
0.5 I
MAX
T
J
= -55 to 150°C
f = 120Hz
V
IN
= 8V to 18V
I
O
= I
MAX
f = 1 kHz
V
IN
= 35V
V
IN
= 10V
I
O
= 5mA
I
O
￡
I
MAX
IP140A SERIES
IP140
IP7800A SERIES
IP7800
LM140
SERIES
SERIES
SERIES
Prelim.5/00
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
http://www.semelab.co.uk
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