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LM140 Datasheet(PDF) 3 Page - Seme LAB

Part # LM140
Description  1 AMP POSITIVE VOLTAGE REGULATOR
PDF  5 Pages
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Manufacturer  SEME-LAB [Seme LAB]
Direct Link  http://www.semelab.co.uk
Logo SEME-LAB - Seme LAB

LM140 Datasheet(HTML) 3 Page - Seme LAB

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IP140A SERIES
IP140
SERIES
IP7800A SERIES
IP7800
SERIES
LM140
SERIES
Prelim.5/00
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
1) All characteristics are measured with a capacitor across the input of 0.22
mF and a capacitor across the output of 0.1mF.
All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tp £ 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 PMAX of 20W ,
IMAX = 1.0A.
3) TJ = 25°C unless otherwise stated.
VO
Output Voltage
VO
Low Supply
DVO
Line Regulation
DVO
Load Regulation
IQ
Quiescent Current
DIQ
Quiescent Current
Change
VN
Output Noise
Voltage
DVIN
Ripple Rejection
DVO
Dropout Voltage
RO
Output Resistance
Isc
Short Circuit Current
Ipk
Peak Output Current
Average Temperature
Coefficient of VO
Input Voltage required to
maintain line regulation
IP7812A
IP7812
LM,IP140–12
LM,IP140–12
Parameter
Test Conditions
Min.
Typ.
Max.
Min.
Typ.
Max.
Units
IO = 1A
VIN = 19V
IO = 5mA to IMAX
PD £ PMAX
VIN = 14.8V to 27V TJ = -55 to 150°C
IO = 5mA to IMAX
PD £ PMAX
VIN = 14.5V to 27V
VIN = 14.5V to 30V
IO = 0.5 IMAX
VIN = 14.8V to 30V
TJ = -55 to 150°C
IO £ IMAX
VIN = 14.5V to 27V
VIN = 16V to 22V
TJ = -55 to 150°C
IO = 5mA to 1.5A
VIN = 19V
IO = 250mA to 750mA
VIN = 19V
IO = 5mA to IMAX
TJ = -55 to 150°C
IO £ IMAX
VIN = 19V
TJ = -55 to 150°C
IO = 5mA to IMAX
VIN = 19V
IO £ IMAX
VIN = 14.8V to 27V
TJ = -55 to 150°C
IO £ 0.5 IMAX
VIN = 15V to 30V
IO £ 0.5 IMAX
VIN = 14.5V to 30V
TJ = -55 to 150°C
f = 10Hz to 100kHz
VIN = 19V
IO £ IMAX
f = 120Hz
IO £ 0.5 IMAX
VIN = 15V to 25V
TJ = -55 to 150°C
IO = IMAX
f = 1 kHz
VIN = 35V
VIN = 19V
IO = 5mA
IO £ IMAX
11.5
12
12.5
11.4
12.6
11.4
12.6
120
120
120
50
60
120
60
120
6
7
0.5
0.8
0.8
1
75
61
61
2
8
0.6
1.2
2.4
3.3
1.5
14.6
11.88
12
12.12
11.64
12.36
11.40
12.36
418
418
418
29
430
12
32
419
860
46
4
6.5
0.2
0.5
0.1
0.8
0.1
0.8
0.2
1
75
480
61
72
61
72
2
2.5
8
0.6
1.2
2.4
3.3
0.5
4.8
14.5
V
V
mV
mV
mA
mA
mV
dB
V
m
W
A
mV
°C
V



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